$conn=mysqli_connect($dbhost,$dbuser,$dbpass); if(!$conn) { die('连接错误: '.mysqli_error($conn)); } echo'连接成功<br />'; $sql='CREATE DATABASE RUNOON'; $retval=mysqli_query($conn,$sql); if(!$retval) { die('创建...
grant all privileges on *.* to testuser@localhost identified by "123456" ; // 设置用户testuser,可以访问mysql上的所有数据库 ; grant all privileges on test_db.user_infor to testuser@localhost identified by "123456" ; // 设置用户testuser,只能访问数据库test_db的表user_infor,数据库中的其他表...
解析 host | userlocalhost | dbuser 1. CREATE USER语句创建了用户'dbuser'@'localhost',密码设为'abc123',并限制不能使用最近5次的密码。2. SELECT查询在mysql.user表中筛选用户名以'dbu'开头的用户,新建的dbuser符合条件,因此返回对应的host和user字段。
5.4.8 mysql_create_db() intmysql_create_db(MYSQL*mysql,constchar*db) Description Creates the database named by thedbparameter. This function is deprecated. Usemysql_real_query()ormysql_query()to issue an SQLCREATE DATABASEstatement instead. ...
1. 连接到MySQL数据库 在开始创建用户表之前,我们需要先连接到MySQL数据库。下面是连接到MySQL数据库的代码示例: importmysql.connector mydb=mysql.connector.connect(host="localhost",user="yourusername",password="yourpassword")print(mydb) 1. 2.
EN仅通过对用户的GRANTing权限来支持隐式创建用户的MySQL。这种用法允许GRANT是幂等的，并且是复制安全的。
Create User MariaDB [(none)]> CREATE USER 'DBAdmin'@'localhost' IDENTIFIED BY 'mypasswd'; Query OK, 0 rows affected (0.00 sec) MariaDB [(none)]> CREATE USER 'tdtc2022'@'%' IDENTIFIED BY 'qazxsw'; Query OK, 0 rows affected (0.00 sec) ...
REVOKE all privileges on db_name.idw_yl_contract_auth_project_data from 'group_dc_ro'@'%'; -- 设置与更改用户密码 SET PASSWORD FOR 'group_dc_ro'@'%' = PASSWORD('123456'); -- 删除用户 DROP USER 'group_dc_ro'@'%'; -- 查看mysql支持字符集 show variables like "% character %"; ...
5.4.9 mysql_create_db() intmysql_create_db(MYSQL*mysql,constchar*db) Description Creates the database named by thedbparameter. This function is deprecated. Usemysql_real_query()ormysql_query()to issue an SQLCREATE DATABASEstatement instead. ...
The issue I am running into is if the db specific user is still present in the MySQL users table, the script stops processing and errors out, #1396 - Operation CREATE USER failed for 'MyDBUser'@'%' SO I guess my question is this: is there a way or directive similar to IF NOT EXI...