2 rows in set (0.00 sec) mysql> SHOW BINLOG EVENTS IN 'mysql-bin.000001' FROM 120; +---+---+---+---+---+---+ | Log_name | Pos | Event_type | Server_id | End_log_pos | Info | +---+---+---+---+---+---+ | mysql-bin.000001 | 120 | Stop | 1 | 143 |...
mysql> SHOW SLAVE STATUS\G; *** 1. row *** Slave_IO_State: Waiting for master to send event Master_Host: 192.168.120.26 Master_User: replicator Master_Port: 3069 Connect_Retry: 60 Master_Log_File: mysql-bin.001063 Read_Master_Log_Pos: 3564725 Relay_Log_File: slave-relay.001352 Relay...
$ mysqlshow mysqlshow: Access denied for user 'mysql'@'localhost' (using password: YES) 我本地数据库有密码,所以此时提示我需要输入密码。 代码语言:javascript 代码运行次数:0 运行 AI代码解释 $ mysqlshow -u root -p Enter password: +---+ | Databases | +---+ | db_learn | | flowable_le...
user_name; 5.显示create database 语句是否能够创建指定的数据库,并可以查看到创建库语句的SQL信息。1 mysql>show create database database_name; 6.显示create table 语句是否能够创建指定的数据表,并可以查看到表创建语句的SQL信息。1 mysql>show create table table_name; ...
4、% User Time表示耗费CPU的数据库操作,如排序,执行aggregate functions等。如果该值很高,可考虑增加索引,尽量使用简单的表联接,水平分割大表格等方法来降低该值。 Physical Disk: Curretn Disk Queue Length计数器该值应不超过磁盘数的1.5~2倍。要提高性能,可增加磁盘。 SQLServer:Cache Hit Ratio计数器该值越高...
SQL语句之SHOW语句使用 SHOW语句有许多形式,提供关于服务器的数据库、表、列或状态信息的信息。1 2 3 SHOW语法格式: SHOW 关键字 LIKE 'pattern'如果对于一个给定的说明语句的语法包括像'模式','模式'是一个字符串,可以包含“%”和“_“通配符。该模式是有用的限制语句输出匹配的值。本节介绍以下:SHOW ...
Applies to: SQL Server Azure SQL Managed Instance Returns the commands for transactions marked for replication in readable format. sp_replshowcmds can be run only when client connections (including the current connection) aren't reading replicated transactions from the log. This stored procedure is ...
IS_SUPERUSER如果当前角色具有超级用户特权则为真。 ALL显示所有配置参数的值,并带有描述。 说明 函数current_setting产生等效的输出。还有pg_settings 系统事务产生同样的信息。 示例 显示参数DateStyle的当前设置: SHOW DateStyle; DateStyle --- ISO, MDY (1 row) 显示参数geqo的当前设置: SHOW geqo; geqo -...
In thePermissions for<group or user>box, select theAllowcolumn, for theRemote Enablepermission, for users whom you wish to remotely detect the service status. Start, Stop, or Pause the SQL Server Agent Service Зворотнийзв’язок ...
Transact-SQL 语法约定 语法 syntaxsql -- Show the space used for all user tables and system tables in the current databaseDBCCPDW_SHOWSPACEUSED[WITHIGNORE_REPLICATED_TABLE_CACHE] [;]-- Show the space used for a tableDBCCPDW_SHOWSPACEUSED("[ database_name . [ schema_name ] . ] | [ sch...