$ mysqlshow-u root-p db_learn Activity Enter password:Database:db_learn Table:Activity+---+---+---+---+---+---+---+---+---+|Field|Type|Collation|Null|Key|Default|Extra|Privileges|Comment|+---+---+---+---+---+---+---+---...
本文主要基于MySQL5.6讲解其用法,因为之后的MySQL版本会去掉show profile功能。 SQL脚本 本篇使用的表结构以及数据如下 /*Table structure for table `dept` */ CREATE TABLE `dept` ( `deptno` int(2) NOT NULL, `dname` varchar(15) DEFAULT NULL, `loc` varchar(15) DEFAULT NULL, PRIMARY KEY (`deptno...
MySQL 8.4 Reference Manual / INFORMATION_SCHEMA Tables / Extensions to SHOW Statements 28.8 Extensions to SHOW Statements Some extensions to SHOW statements accompany the implementation of INFORMATION_SCHEMA: SHOW can be used to get information about the structure of INFORMATION_SCHEMA itself. Several ...
show processlist命令则是用来管理MySQL实例的连接情况,如果收到类似too many connections的错误,使用此命令将非常有用。 参考 https://dev.mysql.com/doc/refman/5.6/en/explain-output.html https://dev.mysql.com/doc/refman/5.6/en/show-profile.html https://dev.mysql.com/doc/refman/5.6/en/show-processl...
MySQL 5.7 Reference Manual / INFORMATION_SCHEMA Tables / Extensions to SHOW Statements 24.8 Extensions to SHOW Statements Some extensions to SHOW statements accompany the implementation of INFORMATION_SCHEMA: SHOW can be used to get information about the structure of INFORMATION_SCHEMA itself. Several ...
close_mysql_connection(conn)return# 执行SHOW CREATE TABLE语句导出表结构table_structure=export_table_structure(conn,table_name)iftable_structureisNone:close_mysql_connection(conn)returnprint("表结构导出成功:")print(table_structure)# 关闭数据库连接close_mysql_connection(conn)if__name__=="__main__"...
Description:mysqldump -d,MySQL4 to MySQL5 slower than many because MySQL5 than in the call in a function get_table_structure function check_if_ignore_table , and not MySQL4. Check_if_ignore_table function of the need to implement "show table status" to determine the type of INSERT DELAYED...
altering tableThe server is in the process of executing an in-placeALTER TABLE. Copying to tmp table on diskThe server is copying to a temporary table on disk. The temporary result set has become too large (seeSection 8.4.4, “Internal Temporary Table Use in MySQL”). Consequently, the ...
MySQL offers a popular SHOW TABLES statement that displays all tables in a specific database. Unfortunately, PostgreSQL does not support the SHOW TABLES statement directly but provides you with alternatives. Showing tables from PostgreSQL using psql First, open the Command Prompt on Windows or Termina...
SHOW TABLE STATUS SHOW TABLES SHOW TRIGGERS SHOW VARIABLES TheWHEREclause, if present, is evaluated against the column names displayed by theSHOWstatement. For example, theSHOW CHARACTER SETstatement produces these output columns: mysql>SHOW CHARACTER SET;+---+---+---+---+ | Charset | Descr...