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MySQL

4.3.1 GRANT REVOKE

4.3.1 GRANT REVOKE

GRANT priv_type [(column_list)] [, priv_type [(column_list)] ...]
    ON {tbl_name | * | *.* | db_name.*}
    TO user_name [IDENTIFIED BY [PASSWORD] 'password']
        [, user_name [IDENTIFIED BY 'password'] ...]
    [REQUIRE
        [{SSL| X509}]
        [CIPHER cipher [AND]]
        [ISSUER issuer [AND]]
        [SUBJECT subject]]
    [WITH [GRANT OPTION | MAX_QUERIES_PER_HOUR # |
                          MAX_UPDATES_PER_HOUR # |
                          MAX_CONNECTIONS_PER_HOUR #]]

REVOKE priv_type [(column_list)] [, priv_type [(column_list)] ...]
    ON {tbl_name | * | *.* | db_name.*}
    FROM user_name [, user_name ...]

GRANT MySQL 3.22.11 . MySQL GRANT .

GRANT REVOKE MySQL, :

. mysql.user.
. mysql.db mysql.host.
. mysql.tables_priv.
. mysql.columns_priv.

, , . GRANT, . section 4.3.5 MySQL.

priv_type GRANT REVOKE:

ALL [PRIVILEGES] , WITH GRANT OPTION
ALTER ALTER TABLE
CREATE CREATE TABLE
CREATE TEMPORARY TABLES CREATE TEMPORARY TABLE
DELETE DELETE
DROP DROP TABLE.
EXECUTE ( MySQL 5.0)
FILE SELECT ... INTO OUTFILE LOAD DATA INFILE.
INDEX CREATE INDEX and DROP INDEX
INSERT INSERT
LOCK TABLES LOCK TABLES , SELECT.
PROCESS SHOW FULL PROCESSLIST
REFERENCES
RELOAD FLUSH
REPLICATION CLIENT .
REPLICATION SLAVE ( ).
SELECT SELECT
SHOW DATABASES SHOW DATABASES .
SHUTDOWN mysqladmin shutdown
SUPER ( ), max_connections, CHANGE MASTER, KILL thread, mysqladmin debug, PURGE MASTER LOGS SET GLOBAL
UPDATE UPDATE
USAGE `` ''.

USAGE , .

CREATE TEMPORARY TABLES, EXECUTE, LOCK TABLES, REPLICATION ..., SHOW DATABASES SUPER 4.0.2. 4.0.2, mysql_fix_privilege_tables.

MySQL PROCESS , SUPER.

, GRANT, priv_type GRANT OPTION:

mysql> REVOKE GRANT OPTION ON ... FROM ...;

priv_type: SELECT, INSERT, UPDATE, DELETE, CREATE, DROP, GRANT, INDEX ALTER.

priv_type ( column_list): SELECT, INSERT UPDATE.

, ON *.*, - ON db_name.*. ON * , . (: ON * , !)

, , MySQL (user_name) user@host. user, ( `-') host, ( `%'), (, 'test-user'@'test-hostname').

. , user@"%.loc.gov" user loc.gov, user@"144.155.166.%" user 144.155.166 C.

user user@"%".

MySQL . User='' mysql.user GRANT.

: MySQL, user@localhost, MySQL mysql.user !

, , :

mysql> SELECT Host,User FROM mysql.user WHERE User='';

GRANT , , 60 . 16 .

OR . , mysql.user , SELECT, , .

:

 
OR (   AND   )
OR  
OR  

, , . section 4.2 MySQL.

/ , mysql.user, , , DELETE. , GRANT user , REVOKE . DELETE.

MySQL 3.22.12 , IDENTIFIED BY, . , .

, PASSWORD , SQL PASSWORD() C API make_scrambled_password(char *to, const char *password).

: IDENTIFIED BY, . .

SET PASSWORD. See section 5.5.6 SET.

, mysql.db . REVOKE.

, , (, SHOW TABLES).

WITH GRANT OPTION , . GRANT , !

MAX_QUERIES_PER_HOUR #, MAX_UPDATES_PER_HOUR # MAX_CONNECTIONS_PER_HOUR # MySQL 4.0.2. , , . 0 ( ), , . See section 4.3.6 .

, . GRANT , .

, GRANT , , ( !) , . , INSERT . SELECT WITH GRANT OPTION, SELECT, INSERT. UPDATE, INSERT, SELECT UPDATE.

ALTER . !

, , , MySQL.

mysqld . , , - . , GRANT REVOKE, . ( INSERT, UPDATE ..), FLUSH PRIVILEGES mysqladmin flush-privileges, . See section 4.3.3 .

GRANT ANSI SQL MySQL :

  • MySQL + , .
  • ANSI SQL , ANSI SQL MySQL. , MySQL ANSI SQL TRIGGER, EXECUTE UNDER.
  • ANSI SQL . , . MySQL , .
  • MySQL INSERT INSERT . , INSERT, , . ANSI SQL INSERT .
  • ANSI SQL . ANSI SQL, , , . MySQL REVOKE MySQL.

REQUIRE, . See section 4.3.9 .






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