Help Center/ GaussDB(for MySQL)/ User Guide/ Connecting to a DB Instance/ Connecting to a DB instance Through DAS
Updated on 2024-11-06 GMT+08:00

Connecting to a DB instance Through DAS

Data Admin Service (DAS) is a one-stop management platform that allows you to manage Huawei Cloud databases on a web console. It offers database development, O&M, and intelligent diagnosis, making it easy to use and maintain databases.

This section describes how to connect to a DB instance through DAS.

Prerequisites

You have purchased a DB instance. If you have not, purchase one by referring to Buying a DB Instance.

Procedure

  1. Log in to the management console.
  2. Click in the upper left corner and select a region and project.
  3. Click in the upper left corner of the page and choose Databases > GaussDB(for MySQL).
  4. On the Instances page, locate a DB instance and click Log In in the Operation column.

    Figure 1 Logging in to a DB instance

  5. Enter the login username and password and click Test Connection. After the connection test is successful, click Log In. Then you can access and manage your databases.

    Figure 2 Login page

Follow-up Operations

After logging in to a DB instance through DAS, you can manage your databases.

  1. Create a database.

    After logging in to a GaussDB(for MySQL) instance, click Create Database on the home page, enter database information, and click OK.

    Figure 3 Creating a database

    Database test is used as an example. After the database is created, you can view it in the database list.

    Figure 4 Viewing the created database

  2. Create a table.

    Locate the database and click Create Table in the Operation column.

    Figure 5 Creating a table

    On the Basic Information tab, set the required parameters.

    Figure 6 Entering basic table information

    Click Next and enter column information.

    Figure 7 Entering column information

    Click Create. In the SQL preview window, view the SQL statements for creating a table and click Execute.

    Figure 8 Previewing the SQL statements for creating a table

    After the SQL statements are executed successfully, you can view the created table in the table list.

    Figure 9 Viewing the created table

  3. Create a user and grant all permissions on the database created in 1 to the user.

    On the top menu bar, choose Account Management > User Management.

    Figure 10 User management

    Click Create User and enter user information and authorization information.

    Figure 11 Creating a user
    Figure 12 Entering user information and authorization information

    For example, in the Object Permissions area, all permissions on the table (table1) in the database (test) are granted to the user (user).

    Figure 13 Previewing the SQL statements for creating a user
    Figure 14 Viewing the created user

  4. Log in to the database as the created user and write data into the database.

    On the DAS development tool page, add a database login as user user. Click Log In in the Operation column to log in to the DB instance.

    Figure 15 Adding a login as user

    In the row containing the test database, click Query SQL Statements in the Operation column. The SQL execution window is displayed.

    Figure 16 Accessing the SQL execution window

    Run the following SQL statement in the SQL input box to query data in table1:

    SELECT * FROM table1;

    Figure 17 Viewing table data

    There is no data in table1.

    Run the following SQL statements to write several data records to table1:

    insert into table1(id, name, age) values(1, 'sam', 30);

    insert into table1(id, name, age) values(2, 'cidy', 25);

    insert into table1(id, name, age) values(3, 'lily', 27);

    Figure 18 Writing data to the table

    Data has been written into the table.

    Run the following SQL statement again to check whether there is data in table1:

    SELECT * FROM table1;

    Figure 19 Verifying the written data