SHOW DATABASES 2. 选择一个名字叫database的数据库 USE database 3. 查看数据库中所有可用表 SHOW TABLES 4. 查看用户表user的字段 SHOW COLUMNS FROM user 或者 DESCRIBE user 5. SHOW 还可以直接接其他sql语句 SHOW CREATE DATABASE 创建数据库过程的状态 SHOW CREATE TABLE 创建表过程中的状态 SHOW STATUS ...
CREATE TEMPORARY TABLE temp_tables (table_name VARCHAR(255)); INSERT INTO temp_tables (table_name) SELECT table_name FROM information_schema.tables WHERE table_schema = 'your_database'; 复制代码 优化查询性能:如果你发现查询性能仍然很慢,可以考虑优化查询或调整 MySQL 服务器的配置。例如,你可以调整 ...
IN lockbase) AS my_table WHERE Tables_in_lockbase NOT LIKE '%sometext%' It would be great if MySQL could support these statements.How to repeat:Create 4 tables with the following names: ib_table1 ib_table2 table3 table4 Now execute the following SQL statements: SHOW TABLES IN lockbase...
INFORMATION_SCHEMA是一个MySQL系统数据库,它包含了有关数据库结构的元数据信息。 我们可以查询INFORMATION_SCHEMA.TABLES表来获取所有表的名称。下面是一个示例: SELECTTABLE_NAMEFROMINFORMATION_SCHEMA.TABLESWHERETABLE_SCHEMA='mydatabase'; 1. 2. 3. 执行以上命令后,MySQL将返回一个结果集,其中包含名为"mydataba...
Database changed 3. show tables mysql> show tables; +---+ | Tables_in_test | +---+ | user | +---+ 1 row in set (0.00 sec) 4. desc table_name mysql> desc user; +---+---+---+---+---+---+ | Field | Type | ...
mysql show命令用法 MySQL中show语法 1. show tables或show tables from database_name; -- 显示当前数据库中所有表的名称。 2. show databases; -- 显示mysql中所有数据库的名称。 3. show columns from table_name from database_name; 或show columns from database_name.table_name; -- 显示表中列名称...
Invoke mysqlshow like this: mysqlshow [options] [db_name [tbl_name [col_name]]]If no database is given, a list of database names is shown. If no table is given, all matching tables in the database are shown. If no column is given, all matching columns and column types in ...
mysql> SHOW CREATE TABLE mysql.user\G; *** 1. row *** Table: user Create Table: CREATE TABLE `user` ( `Host` char(60) COLLATE utf8_bin NOT NULL DEFAULT '', `User` char(32) COLLATE utf8_bin NOT NULL DEFAULT '', `Select_priv` enum('N','Y') CHARACTER SET utf8 NOT NULL...
Show all tables in the Oracle Database# To showall tablesin the entire Oracle Database, you query from thedba_tablesview as follows: SELECTtable_nameFROMdba_tables;Code language:SQL (Structured Query Language)(sql) You will get the following error message if you don’t have access to the...
MySQL操作之show命令及索引 大家好，我是anyux。本文介绍MySQL数据show命令及索引。show命令 show database; 查看数据库名称show tables; 查看数据表名称show create database database_name; 查看建库语句show create table table_name; 查看建表语句show processlist; 查看所有用户连接情况show charset; 查看所有...