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xyh592
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sql update replace
SELECT VALUE from table WHERE value like "%str1%";UPDATE table set value=REPLACE(value,'str1','str2');SELECT VALUE from te_t_env_property_value WHERE value like "%192.168.5.222%";UPDATE te_t_env...原创 2018-11-16 11:12:09 · 1453 阅读 · 0 评论 -
lamp之源码包安装mysql
http://ftp.ntu.edu.tw/MySQL/Downloads/MySQL-6.0/mysql-6.0.11-alpha.tar.gztar -xzvf mysql-6.0.11-alpha.tar.gzmv mysql-6.0.11-alpha mysql======================mysql======================1.创建mysq...原创 2016-10-09 11:51:29 · 350 阅读 · 0 评论 -
替换字段中第一个相同字符的方法
update dede_arctype set typedir = replace(typedir,'{cmspath}/','/');update dede_arctype set typedir = concat('{cmspath}/', mid(typedir,2,length(typedir)));update 表名 set innum = concat('K', mid(in...原创 2015-12-02 22:11:33 · 491 阅读 · 0 评论 -
ERROR 1820 (HY000): You must reset your password using ALTER USER statement before executing this st
SET PASSWORD = PASSWORD('123456');flush privileges;原创 2018-10-25 14:44:29 · 3973 阅读 · 0 评论 -
db_user_pwd
show grants for db_risk;drop user 'db_risk'@'%';CREATE user 'db_risk'@'%' IDENTIFIED by 'risk';GRANT SELECT, INSERT, UPDATE, DELETE, EXECUTE, CREATE ROUTINE, ALTER ROUTINE, TRIGGER ON `ys_mosquit...原创 2019-01-08 13:31:27 · 509 阅读 · 0 评论 -
my.cnf修改默认字符编码
[mysqld]character-set-server=utf8 [client]default-character-set=utf8 [mysql]default-character-set=utf8原创 2018-12-11 20:34:55 · 700 阅读 · 0 评论 -
取消权限
REVOKE INSERT, UPDATE, DELETE, CREATE, EXECUTE, TRIGGER ON *.*FROM 'admin'@'%';REVOKE SELECT, SHOW VIEW ON `information_schema`.* FROM 'asset'@'%';REVOKE SELECT , INSERT, UPDATE, DELE...原创 2018-12-21 17:51:22 · 283 阅读 · 1 评论 -
mysql创建用户报错[Err] 1396 - Operation CREATE USER failed for 'test'@'%'的解决方法
问题:执行mysql创建用户语句CREATE USER test IDENTIFIED BY 'test';报错,错误信息为[Err] 1396 - Operation CREATE USER failed for 'test'@'%'。 解决步骤: 1.创建过test用户。 2.查询后发现无此用户,则执行FLUSH PRIVILEGES;然后重新...转载 2018-12-09 22:17:45 · 2747 阅读 · 0 评论 -
alter table_name
alter table `{table_name}` Add column {column_name} char(1) comment '{字段注释}' AFTER `{column_name}` ;原创 2018-11-26 11:25:51 · 593 阅读 · 0 评论 -
sql slave
GRANT SELECT, RELOAD, REPLICATION SLAVE, REPLICATION CLIENT ON *.* TO 'select'@'%';原创 2018-11-25 21:28:45 · 238 阅读 · 0 评论 -
grant
drop user 'select'@'%';CREATE USER 'select'@'%' IDENTIFIED BY 'knlAcd7NTfv7qMwvk9cz';grant select on select.* to 'select'@'%';grant select,insert,update,delete,alter routine,CREATE routine,EXECUT...原创 2019-05-26 15:04:56 · 613 阅读 · 0 评论 -
sql master slave
1.mastervi /etc/my.cnf[mysqld]log-bin=mysqlbin-logserver-id=17grant replication slave on *.* to 'slave'@'%' identyfied by '123456';show master status;2.slavevi /etc/my.cnfserver-id=1...原创 2018-11-25 21:26:29 · 1208 阅读 · 0 评论