...A]: mysql> set GLOBAL tx_isolation=READ-UNCOMMITTED; Query OK, 0 rows affected (0.00 sec) mysql> quit; Bye [root@vagrant-centos65 ~]# mysql -uroot -pxxxx(重新登录) mysql> SELECT @@tx_isolation; +--...
...A]: mysql> set GLOBAL tx_isolation=READ-UNCOMMITTED; Query OK, 0 rows affected (0.00 sec) mysql> quit; Bye [root@vagrant-centos65 ~]# mysql -uroot -pxxxx(重新登录) mysql> SELECT @@tx_isolation; +--...
...> set session transaction isolation level read committed; Query OK, 0 rows affected mysql> SELECT @@tx_isolation; +----------------+ | @@tx_isolation | +----------------+ | READ-COMMITTED | +----...
...RE stmt_name 示例 mysql> PREPARE pr1 FROM SELECT ?+?; Query OK, 0 rows affected (0.01 sec) Statement prepared mysql> SET @a=1, @b=10 ; Query OK, 0 rows affected (0.00 sec) mysql> EXECUTE pr1 USING ...
...sp;createdatabaseazkaban; QueryOK,1rowaffected(0.02sec) mysql>useazkaban; Databasechanged mysql>source/usr/local/azkaban/server/create-all-sql-2.5.0.sql QueryOK,0rowsaffected(0.07...
...ed: mysql> set session tx_isolation=read-uncommitted; Query OK, 0 rows affected, 1 warning (0.01 sec) mysql> select @@tx_isolation; +------------------+ | @@tx_isolation | +------------------+ |...
...el read uncommitted; #设置隔离级别为未提交读 Query OK, 0 rows affected (0.00 sec) mysql> begin; Query OK, 0 rows affected (0.00 sec) mysql> select * from inno_tbl where id=2; +----+------+ | id | name | +...
... begin ; mysql> update student set sex=女 where id=1; Query OK, 0 rows affected (0.00 sec) 再回到事务A中读表数据,看是否改变 mysql> select * from student ; +----+------------+------+ | id | name | sex | +-...
...archar(20) not null, -> primary key(number) -> ); Query OK, 0 rows affected (0.05 sec) #truncate演示 mysql> create table testfortr( -> number int not null auto_increment, -> name var...
...来的结果是None。 但是,代码在调用之前命名已经检查过affected rows了,根据文档cursor.execute()返回的就是affected rows。 文档也是这么写的:Returns long integer rows affected, if any。 解决问题第一步:网上找答案 什么测试驱动开发,敏捷...
...来的结果是None。 但是,代码在调用之前命名已经检查过affected rows了,根据文档cursor.execute()返回的就是affected rows。 文档也是这么写的:Returns long integer rows affected, if any。 解决问题第一步:网上找答案 什么测试驱动开发,敏捷...
...一步 mysql> set @@global.enforce_gtid_consistency=warn; Query OK, 0 rows affected (0.00 sec) 退出mysql,查看错误日志,确保没有错误 mysql> quit Bye [root@lebron sysconfig]# tail -f /var/log/mysqld.log Version: 5.7.19...
...3456 mysql> CREATE USER zhangsan IDENTIFIED BY 123456; Query OK, 0 rows affected (0.06 sec) mysql> SELECT DISTINCT(`user`) FROM user; +-----------+ | user | +-----------+ | root | | zha...
...3456 mysql> CREATE USER zhangsan IDENTIFIED BY 123456; Query OK, 0 rows affected (0.06 sec) mysql> SELECT DISTINCT(`user`) FROM user; +-----------+ | user | +-----------+ | root | | zha...
...3456 mysql> CREATE USER zhangsan IDENTIFIED BY 123456; Query OK, 0 rows affected (0.06 sec) mysql> SELECT DISTINCT(`user`) FROM user; +-----------+ | user | +-----------+ | root | | zha...
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