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該語句用于創(chuàng)建新的 OceanBase 用戶。創(chuàng)建新用戶后,可以使用該用戶連接 OceanBase。
說明
必須擁有全局的 CREATE USER 權(quán)限,才可以使用 CREATE USER 命令。
create_user_stmt:
CREATE USER [IF NOT EXISTS] user_name [IDENTIFIED BY 'password'];
alter_user_stmt:
ALTER USER user_name ACCOUNT {LOCK | UNLOCK};
| ALTER USER user_name IDENTIFIED BY 'password';
| SET PASSWORD [FOR user_name] = PASSWORD('password');
| RENAME USER rename_user_action_list;
drop_user_stmt:
DROP USER user_name_list;
rename_user_action_list:
rename_user_action [, rename_user_action ...]
rename_user_action:
user_name TO user_name
user_name_list:
user_name [, user_name ...]
password:
STR_VALUE
CREATE USER [IF NOT EXISTS] user_specification_list;
user_specification_list:
user_specification [, user_specification ...]
user_specification:
user IDENTIFIED BY ‘a(chǎn)uthstring’
| user IDENTIFIED BY PASSWORD ‘hashstring’
參數(shù) |
描述 |
---|---|
user_name |
用戶名,新建用戶后,“mysql.user”表會(huì)新增一行該用戶的表項(xiàng)。如果同名用戶已經(jīng)存在,則報(bào)錯(cuò)。 |
IDENTIFIED BY |
使用自選的 IDENTIFIED BY 子句,可以為賬戶給定一個(gè)密碼。 |
user_name [, user_name ...] |
同時(shí)創(chuàng)建多個(gè)用戶時(shí),用“,”隔開。 |
user IDENTIFIED BY ‘a(chǎn)uthstring’ |
此處密碼為明文,存入“mysql.user”表后,服務(wù)器端會(huì)變?yōu)槊芪拇鎯?chǔ)下來。 |
user IDENTIFIED BY PASSWORD ‘hashstring’ |
此處密碼為密文。 |
CREATE USER 'sqluser01' IDENTIFIED BY '123456', 'sqluser02' IDENTIFIED BY '123456';
SELECT user FROM mysql.user;
執(zhí)行結(jié)果如下所示。
mysql> CREATE USER 'sqluser01' IDENTIFIED BY '123456', 'sqluser02' IDENTIFIED BY '123456';
Query OK, 0 rows affected (0.12 sec)
mysql> select user from mysql.user;
+-----------+
| user |
+-----------+
| root |
| admin |
| sqluser01 |
| sqluser02 |
+-----------+
4 rows in set (0.00 sec)
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