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MySQL
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MySQL-用户管理.java
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22 lines (17 loc) · 779 Bytes
master
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MySQL
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MySQL-用户管理.java
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22
DCL
(
理解
)
1
,
创建用户
create
user
用户名
@
IP地址
identified
by
'密码'
;
[
用户只能在指定IP上登录
]
create
user
用户名
@
'%'
identified
by
'密码'
;
[
用户可以在任意IP登录
]
#
新建的用户
,
只能看到一个
:
information_schema的数据库
#
需要root用户给它分配权限
2
,
给用户授权
grant
权限1
,
权限n
...
on
数据库
.*
to
用户名
@
地址
; [
给指定用户分配指定数据库的权限
]
--
权限
:
grant
,
create
,
alter
,
drop
,
insert
,
update
,
delete
,
select
grant
all
on
数据库
.*
to
用户名
@
地址
; [
给用户分派指定数据库上的所有权限
]
'数据库.*'
,
是因为
.
数据中不仅仅有表
,
还有视图
,
触发器等等东西
.
我们都要进行统一的配置
3
,
撤销授权
revoke
权限1
,
权限n
..
on
数据库
.*
from
用户名
@
地址
; [
撤销指定用户在指定数据库上的权限
]
4
,
查看权限
show
grants
for
用户名
@
地址
; [
查看指定用户权限
]
5
,
删除用户
drop
user
用户名
@
IP地址
; [
删除指定用户
]
You can’t perform that action at this time.