更新时间：2023-12-01 GMT+08:00
加载示例数据
在默认数据库gaussdb中加载示例数据。您将上传的示例数据位于OBS上。
- 请确保您的SQL客户端已经连接至集群，然后再操作。
- TPC-DS的示例数据目前仅在华北-北京一区域使用。
- 创建表。
复制并执行下列创建表语句，以在gaussdb数据库中创建表。
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DROP SCHEMA if exists tpcds cascade; CREATE SCHEMA tpcds; SET current_schema TO tpcds; CREATE TABLE customer_address ( ca_address_sk integer not null, ca_address_id char(16) not null, ca_street_number char(10) , ca_street_name varchar(60) , ca_street_type char(15) , ca_suite_number char(10) , ca_city varchar(60) , ca_county varchar(30) , ca_state char(2) , ca_zip char(10) , ca_country varchar(20) , ca_gmt_offset decimal(5,2) , ca_location_type char(20) )WITH (orientation = column, COMPRESSION = MIDDLE); CREATE TABLE customer_demographics ( cd_demo_sk integer not null, cd_gender char(1) , cd_marital_status char(1) , cd_education_status char(20) , cd_purchase_estimate integer , cd_credit_rating char(10) , cd_dep_count integer , cd_dep_employed_count integer , cd_dep_college_count integer )WITH (orientation = column, COMPRESSION = MIDDLE); CREATE TABLE date_dim ( d_date_sk integer not null, d_date_id char(16) not null, d_date date , d_month_seq integer , d_week_seq integer , d_quarter_seq integer , d_year integer , d_dow integer , d_moy integer , d_dom integer , d_qoy integer , d_fy_year integer , d_fy_quarter_seq integer , d_fy_week_seq integer , d_day_name char(9) , d_quarter_name char(6) , d_holiday char(1) , d_weekend char(1) , d_following_holiday char(1) , d_first_dom integer , d_last_dom integer , d_same_day_ly integer , d_same_day_lq integer , d_current_day char(1) , d_current_week char(1) , d_current_month char(1) , d_current_quarter char(1) , d_current_year char(1) )WITH (orientation = column, COMPRESSION = MIDDLE); CREATE TABLE warehouse ( w_warehouse_sk integer not null, w_warehouse_id char(16) not null, w_warehouse_name varchar(20) , w_warehouse_sq_ft integer , w_street_number char(10) , w_street_name varchar(60) , w_street_type char(15) , w_suite_number char(10) , w_city varchar(60) , w_county varchar(30) , w_state char(2) , w_zip char(10) , w_country varchar(20) , w_gmt_offset decimal(5,2) )WITH (orientation = column, COMPRESSION = MIDDLE); CREATE TABLE ship_mode ( sm_ship_mode_sk integer not null, sm_ship_mode_id char(16) not null, sm_type char(30) , sm_code char(10) , sm_carrier char(20) , sm_contract char(20) )WITH (orientation = column, COMPRESSION = MIDDLE); CREATE TABLE time_dim ( t_time_sk integer not null, t_time_id char(16) not null, t_time integer , t_hour integer , t_minute integer , t_second integer , t_am_pm char(2) , t_shift char(20) , t_sub_shift char(20) , t_meal_time char(20) )WITH (orientation = column, COMPRESSION = MIDDLE); CREATE TABLE reason ( r_reason_sk integer not null, r_reason_id char(16) not null, r_reason_desc char(100) )WITH (orientation = column, COMPRESSION = MIDDLE); CREATE TABLE income_band ( ib_income_band_sk integer not null, ib_lower_bound integer , ib_upper_bound integer )WITH (orientation = column, COMPRESSION = MIDDLE); CREATE TABLE item ( i_item_sk integer not null, i_item_id char(16) not null, i_rec_start_date date , i_rec_end_date date , i_item_desc varchar(200) , i_current_price decimal(7,2) , i_wholesale_cost decimal(7,2) , i_brand_id integer , i_brand char(50) , i_class_id integer , i_class char(50) , i_category_id integer , i_category char(50) , i_manufact_id integer , i_manufact char(50) , i_size char(20) , i_formulation char(20) , i_color char(20) , i_units char(10) , i_container char(10) , i_manager_id integer , i_product_name char(50) )WITH (orientation = column, COMPRESSION = MIDDLE); CREATE TABLE store ( s_store_sk integer not null, s_store_id char(16) not null, s_rec_start_date date , s_rec_end_date date , s_closed_date_sk integer , s_store_name varchar(50) , s_number_employees integer , s_floor_space integer , s_hours char(20) , s_manager varchar(40) , s_market_id integer , s_geography_class varchar(100) , s_market_desc varchar(100) , s_market_manager varchar(40) , s_division_id integer , s_division_name varchar(50) , s_company_id integer , s_company_name varchar(50) , s_street_number varchar(10) , s_street_name varchar(60) , s_street_type char(15) , s_suite_number char(10) , s_city varchar(60) , s_county varchar(30) , s_state char(2) , s_zip char(10) , s_country varchar(20) , s_gmt_offset decimal(5,2) , s_tax_percentage decimal(5,2) )WITH (orientation = column, COMPRESSION = MIDDLE); CREATE TABLE call_center ( cc_call_center_sk integer not null, cc_call_center_id char(16) not null, cc_rec_start_date date , cc_rec_end_date date , cc_closed_date_sk integer , cc_open_date_sk integer , cc_name varchar(50) , cc_class varchar(50) , cc_employees integer , cc_sq_ft integer , cc_hours char(20) , cc_manager varchar(40) , cc_mkt_id integer , cc_mkt_class char(50) , cc_mkt_desc varchar(100) , cc_market_manager varchar(40) , cc_division integer , cc_division_name varchar(50) , cc_company integer , cc_company_name char(50) , cc_street_number char(10) , cc_street_name varchar(60) , cc_street_type char(15) , cc_suite_number char(10) , cc_city varchar(60) , cc_county varchar(30) , cc_state char(2) , cc_zip char(10) , cc_country varchar(20) , cc_gmt_offset decimal(5,2) , cc_tax_percentage decimal(5,2) )WITH (orientation = column, COMPRESSION = MIDDLE); CREATE TABLE customer ( c_customer_sk integer not null, c_customer_id char(16) not null, c_current_cdemo_sk integer , c_current_hdemo_sk integer , c_current_addr_sk integer , c_first_shipto_date_sk integer , c_first_sales_date_sk integer , c_salutation char(10) , c_first_name char(20) , c_last_name char(30) , c_preferred_cust_flag char(1) , c_birth_day integer , c_birth_month integer , c_birth_year integer , c_birth_country varchar(20) , c_login char(13) , c_email_address char(50) , c_last_review_date char(10) )WITH (orientation = column, COMPRESSION = MIDDLE); CREATE TABLE web_site ( web_site_sk integer not null, web_site_id char(16) not null, web_rec_start_date date , web_rec_end_date date , web_name varchar(50) , web_open_date_sk integer , web_close_date_sk integer , web_class varchar(50) , web_manager varchar(40) , web_mkt_id integer , web_mkt_class varchar(50) , web_mkt_desc varchar(100) , web_market_manager varchar(40) , web_company_id integer , web_company_name char(50) , web_street_number char(10) , web_street_name varchar(60) , web_street_type char(15) , web_suite_number char(10) , web_city varchar(60) , web_county varchar(30) , web_state char(2) , web_zip char(10) , web_country varchar(20) , web_gmt_offset decimal(5,2) , web_tax_percentage decimal(5,2) )WITH (orientation = column, COMPRESSION = MIDDLE); CREATE TABLE store_returns ( sr_returned_date_sk integer , sr_return_time_sk integer , sr_item_sk integer not null, sr_customer_sk integer , sr_cdemo_sk integer , sr_hdemo_sk integer , sr_addr_sk integer , sr_store_sk integer , sr_reason_sk integer , sr_ticket_number integer not null, sr_return_quantity integer , sr_return_amt decimal(7,2) , sr_return_tax decimal(7,2) , sr_return_amt_inc_tax decimal(7,2) , sr_fee decimal(7,2) , sr_return_ship_cost decimal(7,2) , sr_refunded_cash decimal(7,2) , sr_reversed_charge decimal(7,2) , sr_store_credit decimal(7,2) , sr_net_loss decimal(7,2) )WITH (orientation = column, COMPRESSION = MIDDLE); CREATE TABLE household_demographics ( hd_demo_sk integer not null, hd_income_band_sk integer , hd_buy_potential char(15) , hd_dep_count integer , hd_vehicle_count integer )WITH (orientation = column, COMPRESSION = MIDDLE); CREATE TABLE web_page ( wp_web_page_sk integer not null, wp_web_page_id char(16) not null, wp_rec_start_date date , wp_rec_end_date date , wp_creation_date_sk integer , wp_access_date_sk integer , wp_autogen_flag char(1) , wp_customer_sk integer , wp_url varchar(100) , wp_type char(50) , wp_char_count integer , wp_link_count integer , wp_image_count integer , wp_max_ad_count integer )WITH (orientation = column, COMPRESSION = MIDDLE); CREATE TABLE promotion ( p_promo_sk integer not null, p_promo_id char(16) not null, p_start_date_sk integer , p_end_date_sk integer , p_item_sk integer , p_cost decimal(15,2) , p_response_target integer , p_promo_name char(50) , p_channel_dmail char(1) , p_channel_email char(1) , p_channel_catalog char(1) , p_channel_tv char(1) , p_channel_radio char(1) , p_channel_press char(1) , p_channel_event char(1) , p_channel_demo char(1) , p_channel_details varchar(100) , p_purpose char(15) , p_discount_active char(1) )WITH (orientation = column, COMPRESSION = MIDDLE); CREATE TABLE catalog_page ( cp_catalog_page_sk integer not null, cp_catalog_page_id char(16) not null, cp_start_date_sk integer , cp_end_date_sk integer , cp_department varchar(50) , cp_catalog_number integer , cp_catalog_page_number integer , cp_description varchar(100) , cp_type varchar(100) )WITH (orientation = column, COMPRESSION = MIDDLE); CREATE TABLE inventory ( inv_date_sk integer not null, inv_item_sk integer not null, inv_warehouse_sk integer not null, inv_quantity_on_hand integer )WITH (orientation = column, COMPRESSION = MIDDLE); CREATE TABLE catalog_returns ( cr_returned_date_sk integer , cr_returned_time_sk integer , cr_item_sk integer not null, cr_refunded_customer_sk integer , cr_refunded_cdemo_sk integer , cr_refunded_hdemo_sk integer , cr_refunded_addr_sk integer , cr_returning_customer_sk integer , cr_returning_cdemo_sk integer , cr_returning_hdemo_sk integer , cr_returning_addr_sk integer , cr_call_center_sk integer , cr_catalog_page_sk integer , cr_ship_mode_sk integer , cr_warehouse_sk integer , cr_reason_sk integer , cr_order_number integer not null, cr_return_quantity integer , cr_return_amount decimal(7,2) , cr_return_tax decimal(7,2) , cr_return_amt_inc_tax decimal(7,2) , cr_fee decimal(7,2) , cr_return_ship_cost decimal(7,2) , cr_refunded_cash decimal(7,2) , cr_reversed_charge decimal(7,2) , cr_store_credit decimal(7,2) , cr_net_loss decimal(7,2) )WITH (orientation = column, COMPRESSION = MIDDLE); CREATE TABLE web_returns ( wr_returned_date_sk integer , wr_returned_time_sk integer , wr_item_sk integer not null, wr_refunded_customer_sk integer , wr_refunded_cdemo_sk integer , wr_refunded_hdemo_sk integer , wr_refunded_addr_sk integer , wr_returning_customer_sk integer , wr_returning_cdemo_sk integer , wr_returning_hdemo_sk integer , wr_returning_addr_sk integer , wr_web_page_sk integer , wr_reason_sk integer , wr_order_number integer not null, wr_return_quantity integer , wr_return_amt decimal(7,2) , wr_return_tax decimal(7,2) , wr_return_amt_inc_tax decimal(7,2) , wr_fee decimal(7,2) , wr_return_ship_cost decimal(7,2) , wr_refunded_cash decimal(7,2) , wr_reversed_charge decimal(7,2) , wr_account_credit decimal(7,2) , wr_net_loss decimal(7,2) )WITH (orientation = column, COMPRESSION = MIDDLE); CREATE TABLE web_sales ( ws_sold_date_sk integer , ws_sold_time_sk integer , ws_ship_date_sk integer , ws_item_sk integer not null, ws_bill_customer_sk integer , ws_bill_cdemo_sk integer , ws_bill_hdemo_sk integer , ws_bill_addr_sk integer , ws_ship_customer_sk integer , ws_ship_cdemo_sk integer , ws_ship_hdemo_sk integer , ws_ship_addr_sk integer , ws_web_page_sk integer , ws_web_site_sk integer , ws_ship_mode_sk integer , ws_warehouse_sk integer , ws_promo_sk integer , ws_order_number integer not null, ws_quantity integer , ws_wholesale_cost decimal(7,2) , ws_list_price decimal(7,2) , ws_sales_price decimal(7,2) , ws_ext_discount_amt decimal(7,2) , ws_ext_sales_price decimal(7,2) , ws_ext_wholesale_cost decimal(7,2) , ws_ext_list_price decimal(7,2) , ws_ext_tax decimal(7,2) , ws_coupon_amt decimal(7,2) , ws_ext_ship_cost decimal(7,2) , ws_net_paid decimal(7,2) , ws_net_paid_inc_tax decimal(7,2) , ws_net_paid_inc_ship decimal(7,2) , ws_net_paid_inc_ship_tax decimal(7,2) , ws_net_profit decimal(7,2) )WITH (orientation = column, COMPRESSION = MIDDLE); CREATE TABLE catalog_sales ( cs_sold_date_sk integer , cs_sold_time_sk integer , cs_ship_date_sk integer , cs_bill_customer_sk integer , cs_bill_cdemo_sk integer , cs_bill_hdemo_sk integer , cs_bill_addr_sk integer , cs_ship_customer_sk integer , cs_ship_cdemo_sk integer , cs_ship_hdemo_sk integer , cs_ship_addr_sk integer , cs_call_center_sk integer , cs_catalog_page_sk integer , cs_ship_mode_sk integer , cs_warehouse_sk integer , cs_item_sk integer not null, cs_promo_sk integer , cs_order_number integer not null, cs_quantity integer , cs_wholesale_cost decimal(7,2) , cs_list_price decimal(7,2) , cs_sales_price decimal(7,2) , cs_ext_discount_amt decimal(7,2) , cs_ext_sales_price decimal(7,2) , cs_ext_wholesale_cost decimal(7,2) , cs_ext_list_price decimal(7,2) , cs_ext_tax decimal(7,2) , cs_coupon_amt decimal(7,2) , cs_ext_ship_cost decimal(7,2) , cs_net_paid decimal(7,2) , cs_net_paid_inc_tax decimal(7,2) , cs_net_paid_inc_ship decimal(7,2) , cs_net_paid_inc_ship_tax decimal(7,2) , cs_net_profit decimal(7,2) )WITH (orientation = column, COMPRESSION = MIDDLE); CREATE TABLE store_sales ( ss_sold_date_sk integer , ss_sold_time_sk integer , ss_item_sk integer not null, ss_customer_sk integer , ss_cdemo_sk integer , ss_hdemo_sk integer , ss_addr_sk integer , ss_store_sk integer , ss_promo_sk integer , ss_ticket_number integer not null, ss_quantity integer , ss_wholesale_cost decimal(7,2) , ss_list_price decimal(7,2) , ss_sales_price decimal(7,2) , ss_ext_discount_amt decimal(7,2) , ss_ext_sales_price decimal(7,2) , ss_ext_wholesale_cost decimal(7,2) , ss_ext_list_price decimal(7,2) , ss_ext_tax decimal(7,2) , ss_coupon_amt decimal(7,2) , ss_net_paid decimal(7,2) , ss_net_paid_inc_tax decimal(7,2) , ss_net_profit decimal(7,2) )WITH (orientation = column, COMPRESSION = MIDDLE);
- 创建OBS外表。
复制并执行下列创建OBS外表语句，以在gaussdb数据库中创建OBS外表，用于识别数据格式及设置导入容错性。
将创建外表语句中的参数ACCESS_KEY和SECRET_ACCESS_KEY替换为实际值，然后在客户端工具中执行替换后的语句创建外表。
ACCESS_KEY和SECRET_ACCESS_KEY的值，请参见创建访问密钥（AK和SK）章节进行获取，然后将获取到的值替换到创建外表语句中。
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CREATE FOREIGN TABLE obs_from_customer_address_001 ( ca_address_sk integer not null, ca_address_id char(16) not null, ca_street_number char(10) , ca_street_name varchar(60) , ca_street_type char(15) , ca_suite_number char(10) , ca_city varchar(60) , ca_county varchar(30) , ca_state char(2) , ca_zip char(10) , ca_country varchar(20) , ca_gmt_offset float4 , ca_location_type char(20) ) SERVER gsmpp_server OPTIONS ( location 'obs://dws/download/dws_sample_database_data_files/customer_address/customer_address', format 'text', delimiter '|', encoding 'utf8', noescaping 'true', ACCESS_KEY 'access_key_value_to_be_replaced', SECRET_ACCESS_KEY 'secret_access_key_value_to_be_replaced', reject_limit 'unlimited', chunksize '64' ) with err_obs_from_customer_address_001; CREATE FOREIGN TABLE obs_from_customer_demographics_001 ( cd_demo_sk integer not null, cd_gender char(1) , cd_marital_status char(1) , cd_education_status char(20) , cd_purchase_estimate integer , cd_credit_rating char(10) , cd_dep_count integer , cd_dep_employed_count integer , cd_dep_college_count integer ) SERVER gsmpp_server OPTIONS ( location 'obs://dws/download/dws_sample_database_data_files/customer_demographics/customer_demographics', format 'text', delimiter '|', encoding 'utf8', noescaping 'true', ACCESS_KEY 'access_key_value_to_be_replaced', SECRET_ACCESS_KEY 'secret_access_key_value_to_be_replaced', reject_limit 'unlimited', chunksize '64' ) with err_obs_from_customer_demographics_001; CREATE FOREIGN TABLE obs_from_date_dim_001 ( d_date_sk integer not null, d_date_id char(16) not null, d_date date , d_month_seq integer , d_week_seq integer , d_quarter_seq integer , d_year integer , d_dow integer , d_moy integer , d_dom integer , d_qoy integer , d_fy_year integer , d_fy_quarter_seq integer , d_fy_week_seq integer , d_day_name char(9) , d_quarter_name char(6) , d_holiday char(1) , d_weekend char(1) , d_following_holiday char(1) , d_first_dom integer , d_last_dom integer , d_same_day_ly integer , d_same_day_lq integer , d_current_day char(1) , d_current_week char(1) , d_current_month char(1) , d_current_quarter char(1) , d_current_year char(1) ) SERVER gsmpp_server OPTIONS ( location 'obs://dws/download/dws_sample_database_data_files/ date_dim/date_dim', format 'text', delimiter '|', encoding 'utf8', noescaping 'true', ACCESS_KEY 'access_key_value_to_be_replaced', SECRET_ACCESS_KEY 'secret_access_key_value_to_be_replaced', reject_limit 'unlimited', chunksize '64' ) with err_obs_from_date_dim_001; CREATE FOREIGN TABLE obs_from_warehouse_001 ( w_warehouse_sk integer not null, w_warehouse_id char(16) not null, w_warehouse_name varchar(20) , w_warehouse_sq_ft integer , w_street_number char(10) , w_street_name varchar(60) , w_street_type char(15) , w_suite_number char(10) , w_city varchar(60) , w_county varchar(30) , w_state char(2) , w_zip char(10) , w_country varchar(20) , w_gmt_offset decimal(5,2) ) SERVER gsmpp_server OPTIONS ( location 'obs://dws/download/dws_sample_database_data_files/ warehouse/warehouse', format 'text', delimiter '|', encoding 'utf8', noescaping 'true', ACCESS_KEY 'access_key_value_to_be_replaced', SECRET_ACCESS_KEY 'secret_access_key_value_to_be_replaced', reject_limit 'unlimited', chunksize '64' ) with err_obs_from_warehouse_001; CREATE FOREIGN TABLE obs_from_ship_mode_001 ( sm_ship_mode_sk integer not null, sm_ship_mode_id char(16) not null, sm_type char(30) , sm_code char(10) , sm_carrier char(20) , sm_contract char(20) ) SERVER gsmpp_server OPTIONS ( location 'obs://dws/download/dws_sample_database_data_files/ ship_mode/ship_mode' , format 'text', delimiter '|', encoding 'utf8', noescaping 'true', ACCESS_KEY 'access_key_value_to_be_replaced', SECRET_ACCESS_KEY 'secret_access_key_value_to_be_replaced', reject_limit 'unlimited', chunksize '64' ) with err_obs_from_ship_mode_001; CREATE FOREIGN TABLE obs_from_time_dim_001 ( t_time_sk integer not null, t_time_id char(16) not null, t_time integer , t_hour integer , t_minute integer , t_second integer , t_am_pm char(2) , t_shift char(20) , t_sub_shift char(20) , t_meal_time char(20) ) SERVER gsmpp_server OPTIONS ( location 'obs://dws/download/dws_sample_database_data_files/time_dim/time_dim', format 'text', delimiter '|', encoding 'utf8', noescaping 'true', ACCESS_KEY 'access_key_value_to_be_replaced', SECRET_ACCESS_KEY 'secret_access_key_value_to_be_replaced', reject_limit 'unlimited', chunksize '64' ) with err_obs_from_time_dim_001; CREATE FOREIGN TABLE obs_from_reason_001 ( r_reason_sk integer not null, r_reason_id char(16) not null, r_reason_desc char(100) ) SERVER gsmpp_server OPTIONS ( location 'obs://dws/download/dws_sample_database_data_files/reason/reason' , format 'text', delimiter '|', encoding 'utf8', noescaping 'true', ACCESS_KEY 'access_key_value_to_be_replaced', SECRET_ACCESS_KEY 'secret_access_key_value_to_be_replaced', reject_limit 'unlimited', chunksize '64' ) with err_obs_from_reason_001; CREATE FOREIGN TABLE obs_from_income_band_001 ( ib_income_band_sk integer not null, ib_lower_bound integer , ib_upper_bound integer ) SERVER gsmpp_server OPTIONS ( location 'obs://dws/download/dws_sample_database_data_files/income_band/income_band', format 'text', delimiter '|', encoding 'utf8', noescaping 'true', ACCESS_KEY 'access_key_value_to_be_replaced', SECRET_ACCESS_KEY 'secret_access_key_value_to_be_replaced', reject_limit 'unlimited', chunksize '64' ) with err_obs_from_income_band_001; CREATE FOREIGN TABLE obs_from_item_001 ( i_item_sk integer not null, i_item_id char(16) not null, i_rec_start_date date , i_rec_end_date date , i_item_desc varchar(200) , i_current_price decimal(7,2) , i_wholesale_cost decimal(7,2) , i_brand_id integer , i_brand char(50) , i_class_id integer , i_class char(50) , i_category_id integer , i_category char(50) , i_manufact_id integer , i_manufact char(50) , i_size char(20) , i_formulation char(20) , i_color char(20) , i_units char(10) , i_container char(10) , i_manager_id integer , i_product_name char(50) ) SERVER gsmpp_server OPTIONS ( location 'obs://dws/download/dws_sample_database_data_files/item/item', format 'text', delimiter '|', encoding 'utf8', noescaping 'true', ACCESS_KEY 'access_key_value_to_be_replaced', SECRET_ACCESS_KEY 'secret_access_key_value_to_be_replaced', reject_limit 'unlimited', chunksize '64' ) with err_obs_from_item_001; CREATE FOREIGN TABLE obs_from_store_001 ( s_store_sk integer not null, s_store_id char(16) not null, s_rec_start_date date , s_rec_end_date date , s_closed_date_sk integer , s_store_name varchar(50) , s_number_employees integer , s_floor_space integer , s_hours char(20) , s_manager varchar(40) , s_market_id integer , s_geography_class varchar(100) , s_market_desc varchar(100) , s_market_manager varchar(40) , s_division_id integer , s_division_name varchar(50) , s_company_id integer , s_company_name varchar(50) , s_street_number varchar(10) , s_street_name varchar(60) , s_street_type char(15) , s_suite_number char(10) , s_city varchar(60) , s_county varchar(30) , s_state char(2) , s_zip char(10) , s_country varchar(20) , s_gmt_offset decimal(5,2) , s_tax_percentage decimal(5,2) ) SERVER gsmpp_server OPTIONS ( location 'obs://dws/download/dws_sample_database_data_files/store/store', format 'text', delimiter '|', encoding 'utf8', noescaping 'true', ACCESS_KEY 'access_key_value_to_be_replaced', SECRET_ACCESS_KEY 'secret_access_key_value_to_be_replaced', reject_limit 'unlimited', chunksize '64' ) with err_obs_from_store_001; CREATE FOREIGN TABLE obs_from_call_center_001 ( cc_call_center_sk integer not null, cc_call_center_id char(16) not null, cc_rec_start_date date , cc_rec_end_date date , cc_closed_date_sk integer , cc_open_date_sk integer , cc_name varchar(50) , cc_class varchar(50) , cc_employees integer , cc_sq_ft integer , cc_hours char(20) , cc_manager varchar(40) , cc_mkt_id integer , cc_mkt_class char(50) , cc_mkt_desc varchar(100) , cc_market_manager varchar(40) , cc_division integer , cc_division_name varchar(50) , cc_company integer , cc_company_name char(50) , cc_street_number char(10) , cc_street_name varchar(60) , cc_street_type char(15) , cc_suite_number char(10) , cc_city varchar(60) , cc_county varchar(30) , cc_state char(2) , cc_zip char(10) , cc_country varchar(20) , cc_gmt_offset decimal(5,2) , cc_tax_percentage decimal(5,2) ) SERVER gsmpp_server OPTIONS ( location 'obs://dws/download/dws_sample_database_data_files/call_center/call_center', format 'text', delimiter '|', encoding 'utf8', noescaping 'true', ACCESS_KEY 'access_key_value_to_be_replaced', SECRET_ACCESS_KEY 'secret_access_key_value_to_be_replaced', reject_limit 'unlimited', chunksize '64' ) with err_obs_from_call_center_001; CREATE FOREIGN TABLE obs_from_customer_001 ( c_customer_sk integer not null, c_customer_id char(16) not null, c_current_cdemo_sk integer , c_current_hdemo_sk integer , c_current_addr_sk integer , c_first_shipto_date_sk integer , c_first_sales_date_sk integer , c_salutation char(10) , c_first_name char(20) , c_last_name char(30) , c_preferred_cust_flag char(1) , c_birth_day integer , c_birth_month integer , c_birth_year integer , c_birth_country varchar(20) , c_login char(13) , c_email_address char(50) , c_last_review_date char(10) ) SERVER gsmpp_server OPTIONS ( location 'obs://dws/download/dws_sample_database_data_files/customer/customer' , format 'text', delimiter '|', encoding 'utf8', noescaping 'true', ACCESS_KEY 'access_key_value_to_be_replaced', SECRET_ACCESS_KEY 'secret_access_key_value_to_be_replaced', reject_limit 'unlimited', chunksize '64' ) with err_obs_from_customer_001; CREATE FOREIGN TABLE obs_from_web_site_001 ( web_site_sk integer not null, web_site_id char(16) not null, web_rec_start_date date , web_rec_end_date date , web_name varchar(50) , web_open_date_sk integer , web_close_date_sk integer , web_class varchar(50) , web_manager varchar(40) , web_mkt_id integer , web_mkt_class varchar(50) , web_mkt_desc varchar(100) , web_market_manager varchar(40) , web_company_id integer , web_company_name char(50) , web_street_number char(10) , web_street_name varchar(60) , web_street_type char(15) , web_suite_number char(10) , web_city varchar(60) , web_county varchar(30) , web_state char(2) , web_zip char(10) , web_country varchar(20) , web_gmt_offset decimal(5,2) , web_tax_percentage decimal(5,2) ) SERVER gsmpp_server OPTIONS ( location 'obs://dws/download/dws_sample_database_data_files/web_site/web_site' , format 'text', delimiter '|', encoding 'utf8', noescaping 'true', ACCESS_KEY 'access_key_value_to_be_replaced', SECRET_ACCESS_KEY 'secret_access_key_value_to_be_replaced', reject_limit 'unlimited', chunksize '64' ) with err_obs_from_web_site_001; CREATE FOREIGN TABLE obs_from_store_returns_001 ( sr_returned_date_sk integer , sr_return_time_sk integer , sr_item_sk integer not null, sr_customer_sk integer , sr_cdemo_sk integer , sr_hdemo_sk integer , sr_addr_sk integer , sr_store_sk integer , sr_reason_sk integer , sr_ticket_number bigint not null, sr_return_quantity integer , sr_return_amt decimal(7,2) , sr_return_tax decimal(7,2) , sr_return_amt_inc_tax decimal(7,2) , sr_fee decimal(7,2) , sr_return_ship_cost decimal(7,2) , sr_refunded_cash decimal(7,2) , sr_reversed_charge decimal(7,2) , sr_store_credit decimal(7,2) , sr_net_loss decimal(7,2) ) SERVER gsmpp_server OPTIONS ( location 'obs://dws/download/dws_sample_database_data_files/store_returns/store_returns' , format 'text', delimiter '|', encoding 'utf8', noescaping 'true', ACCESS_KEY 'access_key_value_to_be_replaced', SECRET_ACCESS_KEY 'secret_access_key_value_to_be_replaced', reject_limit 'unlimited', chunksize '64' ) with err_obs_from_store_returns_001; CREATE FOREIGN TABLE obs_from_household_demographics_001 ( hd_demo_sk integer not null, hd_income_band_sk integer , hd_buy_potential char(15) , hd_dep_count integer , hd_vehicle_count integer ) SERVER gsmpp_server OPTIONS ( location 'obs://dws/download/dws_sample_database_data_files/household_demographics/household_demographics' , format 'text', delimiter '|', encoding 'utf8', noescaping 'true', ACCESS_KEY 'access_key_value_to_be_replaced', SECRET_ACCESS_KEY 'secret_access_key_value_to_be_replaced', reject_limit 'unlimited', chunksize '64' ) with err_obs_from_household_demographics_001; CREATE FOREIGN TABLE obs_from_web_page_001 ( wp_web_page_sk integer not null, wp_web_page_id char(16) not null, wp_rec_start_date date , wp_rec_end_date date , wp_creation_date_sk integer , wp_access_date_sk integer , wp_autogen_flag char(1) , wp_customer_sk integer , wp_url varchar(100) , wp_type char(50) , wp_char_count integer , wp_link_count integer , wp_image_count integer , wp_max_ad_count integer ) SERVER gsmpp_server OPTIONS ( location 'obs://dws/download/dws_sample_database_data_files/web_page/web_page' , format 'text', delimiter '|', encoding 'utf8', noescaping 'true', ACCESS_KEY 'access_key_value_to_be_replaced', SECRET_ACCESS_KEY 'secret_access_key_value_to_be_replaced', reject_limit 'unlimited', chunksize '64' ) with err_obs_from_web_page_001; CREATE FOREIGN TABLE obs_from_promotion_001 ( p_promo_sk integer not null, p_promo_id char(16) not null, p_start_date_sk integer , p_end_date_sk integer , p_item_sk integer , p_cost decimal(15,2) , p_response_target integer , p_promo_name char(50) , p_channel_dmail char(1) , p_channel_email char(1) , p_channel_catalog char(1) , p_channel_tv char(1) , p_channel_radio char(1) , p_channel_press char(1) , p_channel_event char(1) , p_channel_demo char(1) , p_channel_details varchar(100) , p_purpose char(15) , p_discount_active char(1) ) SERVER gsmpp_server OPTIONS ( location 'obs://dws/download/dws_sample_database_data_files/promotion/promotion' , format 'text', delimiter '|', encoding 'utf8', noescaping 'true', ACCESS_KEY 'access_key_value_to_be_replaced', SECRET_ACCESS_KEY 'secret_access_key_value_to_be_replaced', reject_limit 'unlimited', chunksize '64' ) with err_obs_from_promotion_001; CREATE FOREIGN TABLE obs_from_catalog_page_001 ( cp_catalog_page_sk integer not null, cp_catalog_page_id char(16) not null, cp_start_date_sk integer , cp_end_date_sk integer , cp_department varchar(50) , cp_catalog_number integer , cp_catalog_page_number integer , cp_description varchar(100) , cp_type varchar(100) ) SERVER gsmpp_server OPTIONS ( location 'obs://dws/download/dws_sample_database_data_files/catalog_page/catalog_page' , format 'text', delimiter '|', encoding 'utf8', noescaping 'true', ACCESS_KEY 'access_key_value_to_be_replaced', SECRET_ACCESS_KEY 'secret_access_key_value_to_be_replaced', reject_limit 'unlimited', chunksize '64' ) with err_obs_from_catalog_page_001; CREATE FOREIGN TABLE obs_from_inventory_001 ( inv_date_sk integer not null, inv_item_sk integer not null, inv_warehouse_sk integer not null, inv_quantity_on_hand integer ) SERVER gsmpp_server OPTIONS ( location 'obs://dws/download/dws_sample_database_data_files/inventory/inventory' , format 'text', delimiter '|', encoding 'utf8', noescaping 'true', ACCESS_KEY 'access_key_value_to_be_replaced', SECRET_ACCESS_KEY 'secret_access_key_value_to_be_replaced', reject_limit 'unlimited', chunksize '64' ) with err_obs_from_inventory_001; CREATE FOREIGN TABLE obs_from_catalog_returns_001 ( cr_returned_date_sk integer , cr_returned_time_sk integer , cr_item_sk integer not null, cr_refunded_customer_sk integer , cr_refunded_cdemo_sk integer , cr_refunded_hdemo_sk integer , cr_refunded_addr_sk integer , cr_returning_customer_sk integer , cr_returning_cdemo_sk integer , cr_returning_hdemo_sk integer , cr_returning_addr_sk integer , cr_call_center_sk integer , cr_catalog_page_sk integer , cr_ship_mode_sk integer , cr_warehouse_sk integer , cr_reason_sk integer , cr_order_number bigint not null, cr_return_quantity integer , cr_return_amount decimal(7,2) , cr_return_tax decimal(7,2) , cr_return_amt_inc_tax decimal(7,2) , cr_fee decimal(7,2) , cr_return_ship_cost decimal(7,2) , cr_refunded_cash decimal(7,2) , cr_reversed_charge decimal(7,2) , cr_store_credit decimal(7,2) , cr_net_loss decimal(7,2) ) SERVER gsmpp_server OPTIONS ( location 'obs://dws/download/dws_sample_database_data_files/catalog_returns/catalog_returns' , format 'text', delimiter '|', encoding 'utf8', noescaping 'true', ACCESS_KEY 'access_key_value_to_be_replaced', SECRET_ACCESS_KEY 'secret_access_key_value_to_be_replaced', reject_limit 'unlimited', chunksize '64' ) with err_obs_from_catalog_returns_001; CREATE FOREIGN TABLE obs_from_web_returns_001 ( wr_returned_date_sk integer , wr_returned_time_sk integer , wr_item_sk integer not null, wr_refunded_customer_sk integer , wr_refunded_cdemo_sk integer , wr_refunded_hdemo_sk integer , wr_refunded_addr_sk integer , wr_returning_customer_sk integer , wr_returning_cdemo_sk integer , wr_returning_hdemo_sk integer , wr_returning_addr_sk integer , wr_web_page_sk integer , wr_reason_sk integer , wr_order_number bigint not null, wr_return_quantity integer , wr_return_amt decimal(7,2) , wr_return_tax decimal(7,2) , wr_return_amt_inc_tax decimal(7,2) , wr_fee decimal(7,2) , wr_return_ship_cost decimal(7,2) , wr_refunded_cash decimal(7,2) , wr_reversed_charge decimal(7,2) , wr_account_credit decimal(7,2) , wr_net_loss decimal(7,2) ) SERVER gsmpp_server OPTIONS ( location 'obs://dws/download/dws_sample_database_data_files/web_returns/web_returns' , format 'text', delimiter '|', encoding 'utf8', noescaping 'true', ACCESS_KEY 'access_key_value_to_be_replaced', SECRET_ACCESS_KEY 'secret_access_key_value_to_be_replaced', reject_limit 'unlimited', chunksize '64' ) with err_obs_from_web_returns_001; CREATE FOREIGN TABLE obs_from_web_sales_001 ( ws_sold_date_sk integer , ws_sold_time_sk integer , ws_ship_date_sk integer , ws_item_sk integer not null, ws_bill_customer_sk integer , ws_bill_cdemo_sk integer , ws_bill_hdemo_sk integer , ws_bill_addr_sk integer , ws_ship_customer_sk integer , ws_ship_cdemo_sk integer , ws_ship_hdemo_sk integer , ws_ship_addr_sk integer , ws_web_page_sk integer , ws_web_site_sk integer , ws_ship_mode_sk integer , ws_warehouse_sk integer , ws_promo_sk integer , ws_order_number bigint not null, ws_quantity integer , ws_wholesale_cost decimal(7,2) , ws_list_price decimal(7,2) , ws_sales_price decimal(7,2) , ws_ext_discount_amt decimal(7,2) , ws_ext_sales_price decimal(7,2) , ws_ext_wholesale_cost decimal(7,2) , ws_ext_list_price decimal(7,2) , ws_ext_tax decimal(7,2) , ws_coupon_amt decimal(7,2) , ws_ext_ship_cost decimal(7,2) , ws_net_paid decimal(7,2) , ws_net_paid_inc_tax decimal(7,2) , ws_net_paid_inc_ship decimal(7,2) , ws_net_paid_inc_ship_tax decimal(7,2) , ws_net_profit decimal(7,2) ) SERVER gsmpp_server OPTIONS ( location 'obs://dws/download/dws_sample_database_data_files/web_sales/web_sales' , format 'text', delimiter '|', encoding 'utf8', noescaping 'true', ACCESS_KEY 'access_key_value_to_be_replaced', SECRET_ACCESS_KEY 'secret_access_key_value_to_be_replaced', reject_limit 'unlimited', chunksize '64' ) with err_obs_from_web_sales_001; CREATE FOREIGN TABLE obs_from_catalog_sales_001 ( cs_sold_date_sk integer , cs_sold_time_sk integer , cs_ship_date_sk integer , cs_bill_customer_sk integer , cs_bill_cdemo_sk integer , cs_bill_hdemo_sk integer , cs_bill_addr_sk integer , cs_ship_customer_sk integer , cs_ship_cdemo_sk integer , cs_ship_hdemo_sk integer , cs_ship_addr_sk integer , cs_call_center_sk integer , cs_catalog_page_sk integer , cs_ship_mode_sk integer , cs_warehouse_sk integer , cs_item_sk integer not null, cs_promo_sk integer , cs_order_number bigint not null, cs_quantity integer , cs_wholesale_cost decimal(7,2) , cs_list_price decimal(7,2) , cs_sales_price decimal(7,2) , cs_ext_discount_amt decimal(7,2) , cs_ext_sales_price decimal(7,2) , cs_ext_wholesale_cost decimal(7,2) , cs_ext_list_price decimal(7,2) , cs_ext_tax decimal(7,2) , cs_coupon_amt decimal(7,2) , cs_ext_ship_cost decimal(7,2) , cs_net_paid decimal(7,2) , cs_net_paid_inc_tax decimal(7,2) , cs_net_paid_inc_ship decimal(7,2) , cs_net_paid_inc_ship_tax decimal(7,2) , cs_net_profit decimal(7,2) ) SERVER gsmpp_server OPTIONS ( location 'obs://dws/download/dws_sample_database_data_files/catalog_sales/catalog_sales' , format 'text', delimiter '|', encoding 'utf8', noescaping 'true', ACCESS_KEY 'access_key_value_to_be_replaced', SECRET_ACCESS_KEY 'secret_access_key_value_to_be_replaced', reject_limit 'unlimited', chunksize '64' ) with err_obs_from_catalog_sales_001; CREATE FOREIGN TABLE obs_from_store_sales_001 ( ss_sold_date_sk integer , ss_sold_time_sk integer , ss_item_sk integer not null, ss_customer_sk integer , ss_cdemo_sk integer , ss_hdemo_sk integer , ss_addr_sk integer , ss_store_sk integer , ss_promo_sk integer , ss_ticket_number bigint not null, ss_quantity integer , ss_wholesale_cost decimal(7,2) , ss_list_price decimal(7,2) , ss_sales_price decimal(7,2) , ss_ext_discount_amt decimal(7,2) , ss_ext_sales_price decimal(7,2) , ss_ext_wholesale_cost decimal(7,2) , ss_ext_list_price decimal(7,2) , ss_ext_tax decimal(7,2) , ss_coupon_amt decimal(7,2) , ss_net_paid decimal(7,2) , ss_net_paid_inc_tax decimal(7,2) , ss_net_profit decimal(7,2) ) SERVER gsmpp_server OPTIONS ( location 'obs://dws/download/dws_sample_database_data_files/store_sales/store_sales' , format 'text', delimiter '|', encoding 'utf8', noescaping 'true', ACCESS_KEY 'access_key_value_to_be_replaced', SECRET_ACCESS_KEY 'secret_access_key_value_to_be_replaced', reject_limit 'unlimited', chunksize '64' ) with err_obs_from_store_sales_001;
- 使用INSERT命令导入数据。
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INSERT INTO customer_address SELECT * FROM obs_from_customer_address_001 ; INSERT INTO customer_demographics SELECT * FROM obs_from_customer_demographics_001 ; INSERT INTO date_dim SELECT * FROM obs_from_date_dim_001; INSERT INTO warehouse SELECT * FROM obs_from_warehouse_001; INSERT INTO ship_mode SELECT * FROM obs_from_ship_mode_001; INSERT INTO time_dim SELECT * FROM obs_from_time_dim_001; INSERT INTO reason SELECT * FROM obs_from_reason_001; INSERT INTO income_band SELECT * FROM obs_from_income_band_001; INSERT INTO item SELECT * FROM obs_from_item_001; INSERT INTO store SELECT * FROM obs_from_store_001; INSERT INTO call_center SELECT * FROM obs_from_call_center_001; INSERT INTO customer SELECT * FROM obs_from_customer_001; INSERT INTO web_site SELECT * FROM obs_from_web_site_001; INSERT INTO store_returns SELECT * FROM obs_from_store_returns_001; INSERT INTO household_demographics SELECT * FROM obs_from_household_demographics_001; INSERT INTO web_page SELECT * FROM obs_from_web_page_001; INSERT INTO promotion SELECT * FROM obs_from_promotion_001; INSERT INTO catalog_page SELECT * FROM obs_from_catalog_page_001; INSERT INTO inventory SELECT * FROM obs_from_inventory_001; INSERT INTO catalog_returns SELECT * FROM obs_from_catalog_returns_001; INSERT INTO web_returns SELECT * FROM obs_from_web_returns_001; INSERT INTO web_sales SELECT * FROM obs_from_web_sales_001; INSERT INTO catalog_sales SELECT * FROM obs_from_catalog_sales_001; INSERT INTO store_sales SELECT * FROM obs_from_store_sales_001;
- 优化表性能。
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ANALYZE customer_address; ANALYZE customer_demographics; ANALYZE date_dim; ANALYZE warehouse; ANALYZE ship_mode; ANALYZE time_dim; ANALYZE reason; ANALYZE income_band; ANALYZE item; ANALYZE store; ANALYZE call_center; ANALYZE customer; ANALYZE web_site; ANALYZE store_returns; ANALYZE household_demographics; ANALYZE web_page; ANALYZE promotion; ANALYZE catalog_page; ANALYZE inventory; ANALYZE catalog_returns; ANALYZE web_returns; ANALYZE web_sales; ANALYZE catalog_sales; ANALYZE store_sales;
- 使用SELECT语句进行查询。更多语法信息，请参考SELECT。
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--查询所有记录，且按字母升序排列。 SELECT r_reason_desc FROM tpcds.reason ORDER BY r_reason_desc; --根据查询条件过滤，并对结果进行分组。 SELECT r_reason_id, AVG(r_reason_sk) FROM tpcds.reason GROUP BY r_reason_id HAVING AVG(r_reason_sk) > 25;
父主题： 数据库使用入门
