1、MySQL查看表结构
desc 表名;
show columns from 表名;
describe 表名;
show create table 表名;
use information_schema
select * from columns where table_name='表名';
顺便记下查看数据库:
show databases;
使用某个数据库
use 数据库名;
查看该数据库的数据表
show tables;
查看存储过程;
show procedure status;
顺便提下oracle
select * from v$database;
select * from all_users;
select * from user_tables;
2.MySQL插入多条记录
insert into parameters_tbl(created_at, updated_at, deleted_at,deleted, `key`, value, type, `range`, is_public, mutable, description, dynamic) select created_at, updated_at, deleted_at,deleted, `key`, value, type, `range`, is_public, mutable, description, dynamic from parameters_tbl;
3.重命名表
rename table parameters_tbl to parameters_old_tbl;
4. 更新表记录,使用where between子句
update parameters_tbl set flavor = 'RDS::C1_M2' where id between 29 and 50;
转 http://database.51cto.com/art/201005/199576.htm