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尚硅谷JDBC遇到的问题以及解决办法

JakietYu 2022-02-11 阅读 78

目录

一、p40命令行验证MySQL的隔离级别,grant报错ERROR 1064 (42000)


一、p40命令行验证MySQL的隔离级别,grant报错ERROR 1064 (42000)

mysql> create user jerry@'localhost' identified by 'abc123';
Query OK, 0 rows affected (0.01 sec)
mysql> grant select,insert,delete,update on test.* to jerry@'localhost';
Query OK, 0 rows affected (0.01 sec)

二、查看事务隔离级别

 shk写的tx_isolation在8.0已过时,正确写法:

mysql> select @@transaction_isolation;
+-------------------------+
| @@transaction_isolation |
+-------------------------+
| REPEATABLE-READ         |
+-------------------------+
1 row in set (0.00 sec)

修改隔离级别:

 

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