# 索引\&序列\&文件目录
[CREATE INDEX](https://support.huaweicloud.com/sqlreference-dws/dws_06_0165.html)
:
[ALTER INDEX](https://support.huaweicloud.com/sqlreference-dws/dws_06_0128.html)
:
[REINDEX](https://support.huaweicloud.com/sqlreference-dws/dws_06_0218.html)
:
[DROP INDEX](https://support.huaweicloud.com/sqlreference-dws/dws_06_0195.html)
:
[CREATE SEQUENCE](https://support.huaweicloud.com/sqlreference-dws/dws_06_0174.html)
:
[ALTER SEQUENCE](https://support.huaweicloud.com/sqlreference-dws/dws_06_0137.html)
:
[DROP SEQUENCE](https://support.huaweicloud.com/sqlreference-dws/dws_06_0205.html)
:
[CREATE TEXT SEARCH CONFIGURATION](https://support.huaweicloud.com/sqlreference-dws/dws_06_0182.html)
:
[ALTER TEXT SEARCH CONFIGURATION](https://support.huaweicloud.com/sqlreference-dws/dws_06_0145.html)
:
[DROP TEXT SEARCH CONFIGURATION](https://support.huaweicloud.com/sqlreference-dws/dws_06_0210.html)
:
[CREATE TEXT SEARCH DICTIONARY](https://support.huaweicloud.com/sqlreference-dws/dws_06_0183.html)
:
[ALTER TEXT SEARCH DICTIONARY](https://support.huaweicloud.com/sqlreference-dws/dws_06_0146.html)
:
[DROP TEXT SEARCH DICTIONARY](https://support.huaweicloud.com/sqlreference-dws/dws_06_0211.html)
:
[CLUSTER](https://support.huaweicloud.com/sqlreference-dws/dws_06_0153.html)
: