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13.7.7 SHOW 语句
阅读量:366 次
发布时间:2019-03-05

本文共 3196 字,大约阅读时间需要 10 分钟。

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13.7.7.1 SHOW BINARY LOGS Statement

13.7.7.2 SHOW BINLOG EVENTS Statement
13.7.7.3 SHOW CHARACTER SET Statement
13.7.7.4 SHOW COLLATION Statement
13.7.7.5 SHOW COLUMNS Statement
13.7.7.6 SHOW CREATE DATABASE Statement
13.7.7.7 SHOW CREATE EVENT Statement
13.7.7.8 SHOW CREATE FUNCTION Statement
13.7.7.9 SHOW CREATE PROCEDURE Statement
13.7.7.10 SHOW CREATE TABLE Statement
13.7.7.11 SHOW CREATE TRIGGER Statement
13.7.7.12 SHOW CREATE USER Statement
13.7.7.13 SHOW CREATE VIEW Statement
13.7.7.14 SHOW DATABASES Statement
13.7.7.15 SHOW ENGINE Statement
13.7.7.17 SHOW ERRORS Statement
13.7.7.18 SHOW EVENTS Statement
13.7.7.19 SHOW FUNCTION CODE Statement
13.7.7.20 SHOW FUNCTION STATUS Statement
13.7.7.21 SHOW GRANTS Statement
13.7.7.22 SHOW INDEX Statement
13.7.7.23 SHOW MASTER STATUS Statement
13.7.7.24 SHOW OPEN TABLES Statement
13.7.7.25 SHOW PLUGINS Statement
13.7.7.26 SHOW PRIVILEGES Statement
13.7.7.27 SHOW PROCEDURE CODE Statement
13.7.7.28 SHOW PROCEDURE STATUS Statement
13.7.7.29 SHOW PROCESSLIST Statement
13.7.7.30 SHOW PROFILE Statement
13.7.7.31 SHOW PROFILES Statement
13.7.7.32 SHOW RELAYLOG EVENTS Statement
13.7.7.33 SHOW REPLICAS | SHOW SLAVE HOSTS Statement
13.7.7.34 SHOW SLAVE HOSTS | SHOW REPLICAS Statement
13.7.7.35 SHOW REPLICA | SLAVE STATUS Statement
13.7.7.36 SHOW SLAVE | REPLICA STATUS Statement
13.7.7.37 SHOW STATUS Statement
13.7.7.40 SHOW TRIGGERS Statement
13.7.7.41 SHOW VARIABLES Statement

SHOW提供了许多关于数据库、表、列或服务器状态信息的表单。本节将介绍以下内容:

SHOW {
BINARY | MASTER} LOGSSHOW BINLOG EVENTS [IN 'log_name'] [FROM pos] [LIMIT [offset,] row_count]SHOW CHARACTER SET [like_or_where]SHOW COLLATION [like_or_where]SHOW [FULL] COLUMNS FROM tbl_name [FROM db_name] [like_or_where]SHOW CREATE DATABASE db_nameSHOW CREATE EVENT event_nameSHOW CREATE FUNCTION func_nameSHOW CREATE PROCEDURE proc_nameSHOW CREATE TABLE tbl_nameSHOW CREATE TRIGGER trigger_nameSHOW CREATE VIEW view_nameSHOW DATABASES [like_or_where]SHOW ENGINE engine_name {
STATUS | MUTEX}SHOW [STORAGE] ENGINESSHOW ERRORS [LIMIT [offset,] row_count]SHOW EVENTSSHOW FUNCTION CODE func_nameSHOW FUNCTION STATUS [like_or_where]SHOW GRANTS FOR userSHOW INDEX FROM tbl_name [FROM db_name]SHOW MASTER STATUSSHOW OPEN TABLES [FROM db_name] [like_or_where]SHOW PLUGINSSHOW PROCEDURE CODE proc_nameSHOW PROCEDURE STATUS [like_or_where]SHOW PRIVILEGESSHOW [FULL] PROCESSLISTSHOW PROFILE [types] [FOR QUERY n] [OFFSET n] [LIMIT n]SHOW PROFILESSHOW RELAYLOG EVENTS [IN 'log_name'] [FROM pos] [LIMIT [offset,] row_count]SHOW {REPLICAS | SLAVE HOSTS}SHOW {REPLICA | SLAVE} STATUS [FOR CHANNEL channel]SHOW [GLOBAL | SESSION] STATUS [like_or_where]SHOW TABLE STATUS [FROM db_name] [like_or_where]SHOW [FULL] TABLES [FROM db_name] [like_or_where]SHOW TRIGGERS [FROM db_name] [like_or_where]SHOW [GLOBAL | SESSION] VARIABLES [like_or_where]SHOW WARNINGS [LIMIT [offset,] row_count]like_or_where: { LIKE 'pattern' | WHERE expr}

如果给定的SHOW语句包含LIKE 'pattern'部分,'pattern'是一个可以包含%_ SQL 通配符的字符串。该模式用于将语句输出为限制匹配的值。

一些SHOW语句还接受WHERE子句,该子句在指定显示哪些行方面提供了更大的灵活性。参见 。

许多 MySQL API(比如 PHP)允许你处理SHOW语句返回的结果,就像处理SELECT语句返回的结果一样;有关更多信息,请参阅 或您的 API 文档。此外,您可以对INFORMATION_SCHEMA数据库中的表的查询结果进行 SQL 处理,而使用SHOW语句的结果则不容易做到这一点。参见 。

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