如果是MYSQL数据库编码不正确: 可以在MYSQL执行如下命令: ALTER DATABASE `test` DEFAULT CHARACTER SET gbk COLLATE gbk_chinese_ci 修改MYSQL表的编码:ALTER TABLE `category` DEFAULT CHARACTER SET gbk COLLATE gbk_chinese_ci 修改字段的编码:ALTER TABLE `test` CHANGE `dd` VARCHAR( 45 ) CHARACTER SET gbk...
Your MySQL connection id is 9 Server version: 8.0.32-24 Percona Server (GPL), Release 24, Revision e5c6e9d2 No default schema selected; type \use <schema> to set one. MySQL localhost JS >配置实例这里会新建专门用于管理 ReplicaSet 的账号。过程需要用户手动输入,会自动修改一些 ReplicaSet 需要...
mysqlsh> dba.configureInstance('cladmin:cladminpw@localhost:33311') The instance 'example-el7-1644251369:33311' belongs to an InnoDB Cluster. Configuring local MySQL instance listening at port 33311 for use in an InnoDB cluster... This instance reports its own address as ^[[1mexample-el7-16442...
In this mode, MySQL Router directs application traffic, both writes and reads, to the cluster in the InnoDB ClusterSet deployment that is currently the primary cluster. This mode is the default. Named target cluster In this mode, MySQL Router directs application traffic to the InnoDB Cluster ...
80016 DEFAULT ENCRYPTION='N' */ If a client (like .NET apparently) does some metadata checks when it connects, it could get confused by the new name for utf8. Ideally, the next step of migrating MySQL Server 8.0 to utf8mb4 should be to change the system character set, and any other...
2.直接用 set 来改变 MySQL的自动提交模式 set autocommit = 0 禁止自动提交 set autocommit = 1 开启自动提交 说了这么多,我们来写个实例: 这次我们新建一个数据库表来写 mysql> create table star ( -> `id` int unsigned auto_increment, -> `name` varchar(100) not null, ...
为了解决这个问题,mysql8.0.1引入了基于WriteSet的复制。 「第二部分 原理」 LOGICAL CLOCK由两部分组成,分别是commit parent和sequence number。commit parent表示当前事务所依赖的事务的序号,只有依赖的事务完成后当前事务才能进行。WriteSet是一种更细粒度的事务冲突检测手段,它是在LOGICAL CLOCK的基础上,对事务的...
第一种方式:jdbc:mysql://192.168.5.240:3306/turbo_2?useCursorFetch=true&defaultFetchSize=4 只需要配置url附带一些参数就行。所有的statement都会使用游标方式 第二种方式:url参数配置jdbc:mysql://192.168.5.240:3306/turbo_2?useCursorFetch=true 代码中配置stmt.setFetchSize(大于0的参数) ...
INSERT INTO tableName SET col1='value1', col3='value', col4='value'; and I have a col2 specified to be NOT NULL, the query is accepted anyway. This is on MySQL 4.1. (The same query is not accepted on MySQL 5.0, however we're not ready to move to 5.0 on our production machi...
Description:The mysql.tables_priv structure specifies the Timestamp field as: NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMPhttps://dev.mysql.com/doc/refman/8.0/en/grant-tables.html#grant-tables-tables-priv-columns...The Timestamp and Grantor columns are set to the current time...