mysql事务-2020-11-21

2020-11-22  本文已影响0人  中一唐

use test
查询事务隔离级别:
select @@tx_isolation;

设置事务隔离级别:
//全局的
set global transaction isolation level read committed;
//当前会话
set session transaction isolation level read committed;

SET SESSION TRANSACTION ISOLATION LEVEL read uncommitted;
SET SESSION TRANSACTION ISOLATION LEVEL read committed;
SET SESSION TRANSACTION ISOLATION LEVEL repeatable read;
SET SESSION TRANSACTION ISOLATION LEVEL serializable;

查询数据库:
show databases;
查询表:
show tables;
查询建表语句:
show create table xxx;
查询列信息:
show columns from xxx;

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