云数据库 GaussDB-获取帮助:任务示例

时间:2023-11-01 16:22:49

任务示例

  1. 查看gsql的帮助信息。具体执行命令请参见表1

    表1 使用gsql联机帮助

    描述

    示例

    查看版权信息

    \copyright

    查看 GaussDB 支持的SQL语句的帮助

    查看GaussDB支持的SQL语句的帮助

    例如,查看GaussDB支持的所有SQL语句:

    123456
    openGauss=# \hAvailable help:  ABORT                              ALTER AGGREGATE  ALTER APP WORKLOAD GROUP                  ... ...

    例如,查看CREATE DATABASE命令的参数可使用下面的命令:

     1 2 3 4 5 6 7 8 910111213
    openGauss=# \help CREATE DATABASECommand:     CREATE DATABASEDescription: create a new databaseSyntax:CREATE DATABASE database_name     [ [ WITH ] {[ OWNER [=] user_name ]|           [ TEMPLATE [=] template ]|           [ ENCODING [=] encoding ]|           [ LC_COLLATE [=] lc_collate ]|           [ LC_CTYPE [=] lc_ctype ]|           [ DBCOMPATIBILITY [=] compatibility_type ]|           [ TABLESPACE [=] tablespace_name ]|           [ CONNECTION LIMIT [=] connlimit ]}[...] ];

    查看gsql命令的帮助

    例如,查看gsql支持的命令:

    1234567
    openGauss=# \?General  \copyright             show openGauss usage and distribution terms  \g [FILE] or ;         execute query (and send results to file or |pipe)  \h(\help) [NAME]              help on syntax of SQL commands, * for all commands  \q                     quit gsql... ...

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