MySQL--Privilege Encyclopedia

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Introduction

illustrate

This article introduces all the permissions of MySQL.

View permissions

Order:

SHOW GRANTS FOR '#userName'@'#host';

For example:

common permissions

Increase and change check

SELECT, INSERT, UPDATE, CREATE, INDEX, CREATE VIEW, SHOW VIEW

CRUD

SELECT, INSERT, UPDATE, DELETE, CREATE, INDEX, CREATE VIEW, SHOW VIEW

Encyclopedia of permissions

permissions

meaning

global

database

surface

List

process

acting

ALL [PRIVILEGES]

All permissions.

With grant option, other users can be granted permissions less than or equal to this user.

ALTER

Allow users to use the ALTER TABLE statement

x

x

x

ALTER ROUTINE

Allow users to change or delete stored programs

x

x

x

CREATE

Allow users to create databases and tables

x

x

x

CREATE ROUTINE

x

x

CREATE TABLESPACE

Allows users to create, alter or drop tablespaces and logfilegroups

x

CREATE TEMPORARY TABLES

Allow users to create temporary tables with CREATE TEMPORARY TABLE

x

x

CREATE USER

Users are allowed to use the CREATE USER, DROP USER, RENAME USER, and REVOKE ALL PRIVILEGES statements.

x

CREATE VIEW

Allow users to create or modify views

x

x

x

DELETE

Allow users to use DELETE

x

x

x

DROP

Allows users to drop databases, tables, indexes and views etc.

x

x

x

EVENT

Ability to schedule events using events

x

x

EXECUTE

Allow users to execute stored procedures/stored functions

x

x

FILE

Allows the user to read any file in the database directory.

SELECT ..INTO outfile and LOAD DATA infile... operations can only be performed with file permissions, but do not grant FILE, PROCESS, SUPER permissions to accounts other than administrators, as there are serious security risks.

x

GRANT OPTION

Allows users to grant permissions they have to other users (or revoke permissions from other accounts).

x

x

x

x

x

INDEX

Allow users to create or delete indexes

x

x

x

INSERT

Allow users to use INSERT statements

x

x

x

x

LOCK TABLES

Allow users to use LOCK TABLES on tables with SELECT privilege

x

x

PROCESS

Allows the user to view all processes using the SHOW PROCESSLIST statement.

KILL is also allowed

x

PROXY

enable user agent

REFERENCES

Allow users to create foreign keys

x

x

x

x

RELOAD

Allow users to use FLUSH operation

x

REPLICATION CLIENT

Allows users to query the location of the master or slave

x

REPLICATION SLAVE

Allows users to read binary log events from a master using a replication slave

x

SELECT

Allow users to use SELECT statement

x

x

x

x

SHOW DATABASES

Allow user to display all databases

x

SHOW VIEW

Allow users to use the SHOW CREATE VIEW statement

x

x

x

SHUTDOWN

Allow users to use the mysqladmin shutdown command

x

SUPER

Allows users to use other administrative operations such as CHANGE MASTER TO, KILL, PURGE BINARY LOGS, SET GLOBAL, and mysqladmin commands

x

TRIGGER

Allow user to use TRIGGER action

x

x

x

UPDATE

Allow users to use the UPDATE statement

x

x

x

x

USAGE

Connection (login) permission, creating a user, will automatically grant its usage permission (granted by default). This permission can only be used to log in to the database, and cannot perform any operations; and the usage permission cannot be revoked, that is, the REVOKE user cannot delete the user.

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