drop table if exists t1; SET NAMES binary; delete from mysql.user where user='mysqltest_1'; delete from mysql.db where user='mysqltest_1'; flush privileges; grant select on mysqltest.* to mysqltest_1@localhost require cipher "EDH-RSA-DES-CBC3-SHA"; show grants for mysqltest_1@localhost; Grants for mysqltest_1@localhost GRANT USAGE ON *.* TO 'mysqltest_1'@'localhost' REQUIRE CIPHER 'EDH-RSA-DES-CBC3-SHA' GRANT SELECT ON `mysqltest`.* TO 'mysqltest_1'@'localhost' grant delete on mysqltest.* to mysqltest_1@localhost; select * from mysql.user where user="mysqltest_1"; Host User Password Select_priv Insert_priv Update_priv Delete_priv Create_priv Drop_priv Reload_priv Shutdown_priv Process_priv File_priv Grant_priv References_priv Index_priv Alter_priv Show_db_priv Super_priv Create_tmp_table_priv Lock_tables_priv Execute_priv Repl_slave_priv Repl_client_priv ssl_type ssl_cipher x509_issuer x509_subject max_questions max_updates max_connections localhost mysqltest_1 N N N N N N N N N N N N N N N N N N N N N SPECIFIED EDH-RSA-DES-CBC3-SHA 0 0 0 show grants for mysqltest_1@localhost; Grants for mysqltest_1@localhost GRANT USAGE ON *.* TO 'mysqltest_1'@'localhost' REQUIRE CIPHER 'EDH-RSA-DES-CBC3-SHA' GRANT SELECT, DELETE ON `mysqltest`.* TO 'mysqltest_1'@'localhost' revoke delete on mysqltest.* from mysqltest_1@localhost; show grants for mysqltest_1@localhost; Grants for mysqltest_1@localhost GRANT USAGE ON *.* TO 'mysqltest_1'@'localhost' REQUIRE CIPHER 'EDH-RSA-DES-CBC3-SHA' GRANT SELECT ON `mysqltest`.* TO 'mysqltest_1'@'localhost' grant select on mysqltest.* to mysqltest_1@localhost require NONE; show grants for mysqltest_1@localhost; Grants for mysqltest_1@localhost GRANT USAGE ON *.* TO 'mysqltest_1'@'localhost' GRANT SELECT ON `mysqltest`.* TO 'mysqltest_1'@'localhost' grant USAGE on mysqltest.* to mysqltest_1@localhost require cipher "EDH-RSA-DES-CBC3-SHA" AND SUBJECT "testsubject" ISSUER "MySQL AB"; show grants for mysqltest_1@localhost; Grants for mysqltest_1@localhost GRANT USAGE ON *.* TO 'mysqltest_1'@'localhost' REQUIRE ISSUER 'MySQL AB' SUBJECT 'testsubject' CIPHER 'EDH-RSA-DES-CBC3-SHA' GRANT SELECT ON `mysqltest`.* TO 'mysqltest_1'@'localhost' revoke all privileges on mysqltest.* from mysqltest_1@localhost; show grants for mysqltest_1@localhost; Grants for mysqltest_1@localhost GRANT USAGE ON *.* TO 'mysqltest_1'@'localhost' REQUIRE ISSUER 'MySQL AB' SUBJECT 'testsubject' CIPHER 'EDH-RSA-DES-CBC3-SHA' delete from mysql.user where user='mysqltest_1'; flush privileges; delete from mysql.user where user='mysqltest_1'; flush privileges; grant usage on *.* to mysqltest_1@localhost with max_queries_per_hour 10; select * from mysql.user where user="mysqltest_1"; Host User Password Select_priv Insert_priv Update_priv Delete_priv Create_priv Drop_priv Reload_priv Shutdown_priv Process_priv File_priv Grant_priv References_priv Index_priv Alter_priv Show_db_priv Super_priv Create_tmp_table_priv Lock_tables_priv Execute_priv Repl_slave_priv Repl_client_priv ssl_type ssl_cipher x509_issuer x509_subject max_questions max_updates max_connections localhost mysqltest_1 N N N N N N N N N N N N N N N N N N N N N 10 0 0 show grants for mysqltest_1@localhost; Grants for mysqltest_1@localhost GRANT USAGE ON *.* TO 'mysqltest_1'@'localhost' WITH MAX_QUERIES_PER_HOUR 10 grant usage on *.* to mysqltest_1@localhost with max_updates_per_hour 20 max_connections_per_hour 30; select * from mysql.user where user="mysqltest_1"; Host User Password Select_priv Insert_priv Update_priv Delete_priv Create_priv Drop_priv Reload_priv Shutdown_priv Process_priv File_priv Grant_priv References_priv Index_priv Alter_priv Show_db_priv Super_priv Create_tmp_table_priv Lock_tables_priv Execute_priv Repl_slave_priv Repl_client_priv ssl_type ssl_cipher x509_issuer x509_subject max_questions max_updates max_connections localhost mysqltest_1 N N N N N N N N N N N N N N N N N N N N N 10 20 30 show grants for mysqltest_1@localhost; Grants for mysqltest_1@localhost GRANT USAGE ON *.* TO 'mysqltest_1'@'localhost' WITH MAX_QUERIES_PER_HOUR 10 MAX_UPDATES_PER_HOUR 20 MAX_CONNECTIONS_PER_HOUR 30 flush privileges; show grants for mysqltest_1@localhost; Grants for mysqltest_1@localhost GRANT USAGE ON *.* TO 'mysqltest_1'@'localhost' WITH MAX_QUERIES_PER_HOUR 10 MAX_UPDATES_PER_HOUR 20 MAX_CONNECTIONS_PER_HOUR 30 delete from mysql.user where user='mysqltest_1'; flush privileges; grant CREATE TEMPORARY TABLES, LOCK TABLES on mysqltest.* to mysqltest_1@localhost; show grants for mysqltest_1@localhost; Grants for mysqltest_1@localhost GRANT USAGE ON *.* TO 'mysqltest_1'@'localhost' GRANT CREATE TEMPORARY TABLES, LOCK TABLES ON `mysqltest`.* TO 'mysqltest_1'@'localhost' flush privileges; show grants for mysqltest_1@localhost; Grants for mysqltest_1@localhost GRANT USAGE ON *.* TO 'mysqltest_1'@'localhost' GRANT CREATE TEMPORARY TABLES, LOCK TABLES ON `mysqltest`.* TO 'mysqltest_1'@'localhost' revoke CREATE TEMPORARY TABLES on mysqltest.* from mysqltest_1@localhost; show grants for mysqltest_1@localhost; Grants for mysqltest_1@localhost GRANT USAGE ON *.* TO 'mysqltest_1'@'localhost' GRANT LOCK TABLES ON `mysqltest`.* TO 'mysqltest_1'@'localhost' grant ALL PRIVILEGES on mysqltest.* to mysqltest_1@localhost with GRANT OPTION; flush privileges; show grants for mysqltest_1@localhost; Grants for mysqltest_1@localhost GRANT USAGE ON *.* TO 'mysqltest_1'@'localhost' GRANT ALL PRIVILEGES ON `mysqltest`.* TO 'mysqltest_1'@'localhost' WITH GRANT OPTION revoke LOCK TABLES, ALTER on mysqltest.* from mysqltest_1@localhost; show grants for mysqltest_1@localhost; Grants for mysqltest_1@localhost GRANT USAGE ON *.* TO 'mysqltest_1'@'localhost' GRANT SELECT, INSERT, UPDATE, DELETE, CREATE, DROP, REFERENCES, INDEX, CREATE TEMPORARY TABLES ON `mysqltest`.* TO 'mysqltest_1'@'localhost' WITH GRANT OPTION revoke all privileges on mysqltest.* from mysqltest_1@localhost; delete from mysql.user where user='mysqltest_1'; flush privileges; grant usage on test.* to mysqltest_1@localhost with grant option; show grants for mysqltest_1@localhost; Grants for mysqltest_1@localhost GRANT USAGE ON *.* TO 'mysqltest_1'@'localhost' GRANT USAGE ON `mysqltest`.* TO 'mysqltest_1'@'localhost' WITH GRANT OPTION GRANT USAGE ON `test`.* TO 'mysqltest_1'@'localhost' WITH GRANT OPTION delete from mysql.user where user='mysqltest_1'; delete from mysql.db where user='mysqltest_1'; delete from mysql.tables_priv where user='mysqltest_1'; delete from mysql.columns_priv where user='mysqltest_1'; flush privileges; show grants for mysqltest_1@localhost; ERROR 42000: There is no such grant defined for user 'mysqltest_1' on host 'localhost' create table t1 (a int); GRANT select,update,insert on t1 to mysqltest_1@localhost; GRANT select (a), update (a),insert(a), references(a) on t1 to mysqltest_1@localhost; show grants for mysqltest_1@localhost; Grants for mysqltest_1@localhost GRANT USAGE ON *.* TO 'mysqltest_1'@'localhost' GRANT SELECT, SELECT (a), INSERT, INSERT (a), UPDATE, UPDATE (a), REFERENCES (a) ON `test`.`t1` TO 'mysqltest_1'@'localhost' select table_priv,column_priv from mysql.tables_priv where user="mysqltest_1"; table_priv column_priv Select,Insert,Update Select,Insert,Update,References REVOKE select (a), update on t1 from mysqltest_1@localhost; show grants for mysqltest_1@localhost; Grants for mysqltest_1@localhost GRANT USAGE ON *.* TO 'mysqltest_1'@'localhost' GRANT SELECT, INSERT, INSERT (a), REFERENCES (a) ON `test`.`t1` TO 'mysqltest_1'@'localhost' REVOKE select,update,insert,insert (a) on t1 from mysqltest_1@localhost; show grants for mysqltest_1@localhost; Grants for mysqltest_1@localhost GRANT USAGE ON *.* TO 'mysqltest_1'@'localhost' GRANT REFERENCES (a) ON `test`.`t1` TO 'mysqltest_1'@'localhost' GRANT select,references on t1 to mysqltest_1@localhost; select table_priv,column_priv from mysql.tables_priv where user="mysqltest_1"; table_priv column_priv Select,References References grant all on test.* to mysqltest_3@localhost with grant option; revoke all on test.* from mysqltest_3@localhost; show grants for mysqltest_3@localhost; Grants for mysqltest_3@localhost GRANT USAGE ON *.* TO 'mysqltest_3'@'localhost' GRANT USAGE ON `test`.* TO 'mysqltest_3'@'localhost' WITH GRANT OPTION revoke grant option on test.* from mysqltest_3@localhost; show grants for mysqltest_3@localhost; Grants for mysqltest_3@localhost GRANT USAGE ON *.* TO 'mysqltest_3'@'localhost' grant all on test.t1 to mysqltest_2@localhost with grant option; revoke all on test.t1 from mysqltest_2@localhost; show grants for mysqltest_2@localhost; Grants for mysqltest_2@localhost GRANT USAGE ON *.* TO 'mysqltest_2'@'localhost' GRANT USAGE ON `test`.`t1` TO 'mysqltest_2'@'localhost' WITH GRANT OPTION revoke grant option on test.t1 from mysqltest_2@localhost; show grants for mysqltest_2@localhost; Grants for mysqltest_2@localhost GRANT USAGE ON *.* TO 'mysqltest_2'@'localhost' delete from mysql.user where user='mysqltest_1' or user="mysqltest_2" or user="mysqltest_3"; delete from mysql.db where user='mysqltest_1' or user="mysqltest_2" or user="mysqltest_3"; delete from mysql.tables_priv where user='mysqltest_1' or user="mysqltest_2" or user="mysqltest_3"; delete from mysql.columns_priv where user='mysqltest_1' or user="mysqltest_2" or user="mysqltest_3"; flush privileges; drop table t1; GRANT FILE on mysqltest.* to mysqltest_1@localhost; ERROR HY000: Incorrect usage of DB GRANT and GLOBAL PRIVILEGES select 1; 1 1 insert into mysql.user (host, user) values ('localhost', 'test11'); insert into mysql.db (host, db, user, select_priv) values ('localhost', 'a%', 'test11', 'Y'), ('localhost', 'ab%', 'test11', 'Y'); alter table mysql.db order by db asc; flush privileges; show grants for test11@localhost; Grants for test11@localhost GRANT USAGE ON *.* TO 'test11'@'localhost' GRANT SELECT ON `ab%`.* TO 'test11'@'localhost' GRANT SELECT ON `a%`.* TO 'test11'@'localhost' alter table mysql.db order by db desc; flush privileges; show grants for test11@localhost; Grants for test11@localhost GRANT USAGE ON *.* TO 'test11'@'localhost' GRANT SELECT ON `ab%`.* TO 'test11'@'localhost' GRANT SELECT ON `a%`.* TO 'test11'@'localhost' delete from mysql.user where user='test11'; delete from mysql.db where user='test11'; create database mysqltest1; grant usage on mysqltest1.* to test6123 identified by 'magic123'; select host,db,user,select_priv,insert_priv from mysql.db where db="mysqltest1"; host db user select_priv insert_priv delete from mysql.user where user='test6123'; drop database mysqltest1; create table t1 (a int); grant ALL PRIVILEGES on *.* to drop_user2@localhost with GRANT OPTION; show grants for drop_user2@localhost; Grants for drop_user2@localhost GRANT ALL PRIVILEGES ON *.* TO 'drop_user2'@'localhost' WITH GRANT OPTION revoke all privileges, grant option from drop_user2@localhost; drop user drop_user2@localhost; grant ALL PRIVILEGES on *.* to drop_user@localhost with GRANT OPTION; grant ALL PRIVILEGES on test.* to drop_user@localhost with GRANT OPTION; grant select(a) on test.t1 to drop_user@localhost; show grants for drop_user@localhost; Grants for drop_user@localhost GRANT ALL PRIVILEGES ON *.* TO 'drop_user'@'localhost' WITH GRANT OPTION GRANT ALL PRIVILEGES ON `test`.* TO 'drop_user'@'localhost' WITH GRANT OPTION GRANT SELECT (a) ON `test`.`t1` TO 'drop_user'@'localhost' set sql_mode=ansi_quotes; show grants for drop_user@localhost; Grants for drop_user@localhost GRANT ALL PRIVILEGES ON *.* TO 'drop_user'@'localhost' WITH GRANT OPTION GRANT ALL PRIVILEGES ON "test".* TO 'drop_user'@'localhost' WITH GRANT OPTION GRANT SELECT (a) ON "test"."t1" TO 'drop_user'@'localhost' set sql_mode=default; set sql_quote_show_create=0; show grants for drop_user@localhost; Grants for drop_user@localhost GRANT ALL PRIVILEGES ON *.* TO 'drop_user'@'localhost' WITH GRANT OPTION GRANT ALL PRIVILEGES ON test.* TO 'drop_user'@'localhost' WITH GRANT OPTION GRANT SELECT (a) ON test.t1 TO 'drop_user'@'localhost' set sql_mode="ansi_quotes"; show grants for drop_user@localhost; Grants for drop_user@localhost GRANT ALL PRIVILEGES ON *.* TO 'drop_user'@'localhost' WITH GRANT OPTION GRANT ALL PRIVILEGES ON test.* TO 'drop_user'@'localhost' WITH GRANT OPTION GRANT SELECT (a) ON test.t1 TO 'drop_user'@'localhost' set sql_quote_show_create=1; show grants for drop_user@localhost; Grants for drop_user@localhost GRANT ALL PRIVILEGES ON *.* TO 'drop_user'@'localhost' WITH GRANT OPTION GRANT ALL PRIVILEGES ON "test".* TO 'drop_user'@'localhost' WITH GRANT OPTION GRANT SELECT (a) ON "test"."t1" TO 'drop_user'@'localhost' set sql_mode=""; show grants for drop_user@localhost; Grants for drop_user@localhost GRANT ALL PRIVILEGES ON *.* TO 'drop_user'@'localhost' WITH GRANT OPTION GRANT ALL PRIVILEGES ON `test`.* TO 'drop_user'@'localhost' WITH GRANT OPTION GRANT SELECT (a) ON `test`.`t1` TO 'drop_user'@'localhost' revoke all privileges, grant option from drop_user@localhost; show grants for drop_user@localhost; Grants for drop_user@localhost GRANT USAGE ON *.* TO 'drop_user'@'localhost' drop user drop_user@localhost; revoke all privileges, grant option from drop_user@localhost; ERROR HY000: Can't revoke all privileges, grant for one or more of the requested users grant select(a) on test.t1 to drop_user1@localhost; grant select on test.t1 to drop_user2@localhost; grant select on test.* to drop_user3@localhost; grant select on *.* to drop_user4@localhost; drop user drop_user1@localhost, drop_user2@localhost, drop_user3@localhost, drop_user4@localhost; ERROR HY000: Can't drop one or more of the requested users revoke all privileges, grant option from drop_user1@localhost, drop_user2@localhost, drop_user3@localhost, drop_user4@localhost; drop user drop_user1@localhost, drop_user2@localhost, drop_user3@localhost, drop_user4@localhost; drop table t1; grant usage on *.* to mysqltest_1@localhost identified by "password"; grant select, update, insert on test.* to mysqltest@localhost; show grants for mysqltest_1@localhost; Grants for mysqltest_1@localhost GRANT USAGE ON *.* TO 'mysqltest_1'@'localhost' IDENTIFIED BY PASSWORD '*2470C0C06DEE42FD1618BB99005ADCA2EC9D1E19' drop user mysqltest_1@localhost; SET NAMES koi8r; CREATE DATABASE ÂÄ; USE ÂÄ; CREATE TABLE ÔÁÂ (ËÏÌ int); GRANT SELECT ON ÂÄ.* TO ÀÚÅÒ@localhost; SHOW GRANTS FOR ÀÚÅÒ@localhost; Grants for ÀÚÅÒ@localhost GRANT USAGE ON *.* TO 'ÀÚÅÒ'@'localhost' GRANT SELECT ON `ÂÄ`.* TO 'ÀÚÅÒ'@'localhost' REVOKE SELECT ON ÂÄ.* FROM ÀÚÅÒ@localhost; GRANT SELECT ON ÂÄ.ÔÁÂ TO ÀÚÅÒ@localhost; SHOW GRANTS FOR ÀÚÅÒ@localhost; Grants for ÀÚÅÒ@localhost GRANT USAGE ON *.* TO 'ÀÚÅÒ'@'localhost' GRANT SELECT ON `ÂÄ`.`ÔÁÂ` TO 'ÀÚÅÒ'@'localhost' REVOKE SELECT ON ÂÄ.ÔÁÂ FROM ÀÚÅÒ@localhost; GRANT SELECT (ËÏÌ) ON ÂÄ.ÔÁÂ TO ÀÚÅÒ@localhost; SHOW GRANTS FOR ÀÚÅÒ@localhost; Grants for ÀÚÅÒ@localhost GRANT USAGE ON *.* TO 'ÀÚÅÒ'@'localhost' GRANT SELECT (ËÏÌ) ON `ÂÄ`.`ÔÁÂ` TO 'ÀÚÅÒ'@'localhost' REVOKE SELECT (ËÏÌ) ON ÂÄ.ÔÁÂ FROM ÀÚÅÒ@localhost; DROP DATABASE ÂÄ; SET NAMES latin1; USE test; CREATE TABLE t1 (a int ); CREATE TABLE t2 LIKE t1; CREATE TABLE t3 LIKE t1; CREATE TABLE t4 LIKE t1; CREATE TABLE t5 LIKE t1; CREATE TABLE t6 LIKE t1; CREATE TABLE t7 LIKE t1; CREATE TABLE t8 LIKE t1; CREATE TABLE t9 LIKE t1; CREATE TABLE t10 LIKE t1; CREATE DATABASE testdb1; CREATE DATABASE testdb2; CREATE DATABASE testdb3; CREATE DATABASE testdb4; CREATE DATABASE testdb5; CREATE DATABASE testdb6; CREATE DATABASE testdb7; CREATE DATABASE testdb8; CREATE DATABASE testdb9; CREATE DATABASE testdb10; GRANT ALL ON testdb1.* TO testuser@localhost; GRANT ALL ON testdb2.* TO testuser@localhost; GRANT ALL ON testdb3.* TO testuser@localhost; GRANT ALL ON testdb4.* TO testuser@localhost; GRANT ALL ON testdb5.* TO testuser@localhost; GRANT ALL ON testdb6.* TO testuser@localhost; GRANT ALL ON testdb7.* TO testuser@localhost; GRANT ALL ON testdb8.* TO testuser@localhost; GRANT ALL ON testdb9.* TO testuser@localhost; GRANT ALL ON testdb10.* TO testuser@localhost; GRANT SELECT ON test.t1 TO testuser@localhost; GRANT SELECT ON test.t2 TO testuser@localhost; GRANT SELECT ON test.t3 TO testuser@localhost; GRANT SELECT ON test.t4 TO testuser@localhost; GRANT SELECT ON test.t5 TO testuser@localhost; GRANT SELECT ON test.t6 TO testuser@localhost; GRANT SELECT ON test.t7 TO testuser@localhost; GRANT SELECT ON test.t8 TO testuser@localhost; GRANT SELECT ON test.t9 TO testuser@localhost; GRANT SELECT ON test.t10 TO testuser@localhost; GRANT SELECT (a) ON test.t1 TO testuser@localhost; GRANT SELECT (a) ON test.t2 TO testuser@localhost; GRANT SELECT (a) ON test.t3 TO testuser@localhost; GRANT SELECT (a) ON test.t4 TO testuser@localhost; GRANT SELECT (a) ON test.t5 TO testuser@localhost; GRANT SELECT (a) ON test.t6 TO testuser@localhost; GRANT SELECT (a) ON test.t7 TO testuser@localhost; GRANT SELECT (a) ON test.t8 TO testuser@localhost; GRANT SELECT (a) ON test.t9 TO testuser@localhost; GRANT SELECT (a) ON test.t10 TO testuser@localhost; REVOKE ALL PRIVILEGES, GRANT OPTION FROM testuser@localhost; SHOW GRANTS FOR testuser@localhost; Grants for testuser@localhost GRANT USAGE ON *.* TO 'testuser'@'localhost' DROP USER testuser@localhost; DROP TABLE t1,t2,t3,t4,t5,t6,t7,t8,t9,t10; DROP DATABASE testdb1; DROP DATABASE testdb2; DROP DATABASE testdb3; DROP DATABASE testdb4; DROP DATABASE testdb5; DROP DATABASE testdb6; DROP DATABASE testdb7; DROP DATABASE testdb8; DROP DATABASE testdb9; DROP DATABASE testdb10; create table t1(a int, b int, c int, d int); grant insert(b), insert(c), insert(d), insert(a) on t1 to grant_user@localhost; show grants for grant_user@localhost; Grants for grant_user@localhost GRANT USAGE ON *.* TO 'grant_user'@'localhost' GRANT INSERT (a, d, c, b) ON `test`.`t1` TO 'grant_user'@'localhost' select Host,Db,User,Table_name,Column_name,Column_priv from mysql.columns_priv; Host Db User Table_name Column_name Column_priv localhost test grant_user t1 b Insert localhost test grant_user t1 d Insert localhost test grant_user t1 a Insert localhost test grant_user t1 c Insert revoke ALL PRIVILEGES on t1 from grant_user@localhost; show grants for grant_user@localhost; Grants for grant_user@localhost GRANT USAGE ON *.* TO 'grant_user'@'localhost' select Host,Db,User,Table_name,Column_name,Column_priv from mysql.columns_priv; Host Db User Table_name Column_name Column_priv drop user grant_user@localhost; drop table t1; create database mysqltest_1; create database mysqltest_2; create table mysqltest_1.t1 select 1 a, 2 q; create table mysqltest_1.t2 select 1 b, 2 r; create table mysqltest_2.t1 select 1 c, 2 s; create table mysqltest_2.t2 select 1 d, 2 t; grant update (a) on mysqltest_1.t1 to mysqltest_3@localhost; grant select (b) on mysqltest_1.t2 to mysqltest_3@localhost; grant select (c) on mysqltest_2.t1 to mysqltest_3@localhost; grant update (d) on mysqltest_2.t2 to mysqltest_3@localhost; show grants for mysqltest_3@localhost; Grants for mysqltest_3@localhost GRANT USAGE ON *.* TO 'mysqltest_3'@'localhost' GRANT SELECT (b) ON `mysqltest_1`.`t2` TO 'mysqltest_3'@'localhost' GRANT UPDATE (a) ON `mysqltest_1`.`t1` TO 'mysqltest_3'@'localhost' GRANT UPDATE (d) ON `mysqltest_2`.`t2` TO 'mysqltest_3'@'localhost' GRANT SELECT (c) ON `mysqltest_2`.`t1` TO 'mysqltest_3'@'localhost' update mysqltest_1.t1, mysqltest_1.t2 set q=10 where b=1; ERROR 42000: UPDATE command denied to user 'mysqltest_3'@'localhost' for column 'q' in table 't1' update mysqltest_1.t1, mysqltest_2.t2 set d=20 where d=1; ERROR 42000: SELECT command denied to user 'mysqltest_3'@'localhost' for table 't1' update mysqltest_2.t1, mysqltest_1.t2 set c=20 where b=1; ERROR 42000: UPDATE command denied to user 'mysqltest_3'@'localhost' for column 'c' in table 't1' update mysqltest_2.t1, mysqltest_2.t2 set d=10 where s=2; ERROR 42000: SELECT command denied to user 'mysqltest_3'@'localhost' for column 's' in table 't1' update mysqltest_1.t1, mysqltest_2.t2 set a=10,d=10; update mysqltest_1.t1, mysqltest_2.t1 set a=20 where c=20; select t1.*,t2.* from mysqltest_1.t1,mysqltest_1.t2; a q b r 10 2 1 2 select t1.*,t2.* from mysqltest_2.t1,mysqltest_2.t2; c s d t 1 2 10 2 revoke all on mysqltest_1.t1 from mysqltest_3@localhost; revoke all on mysqltest_1.t2 from mysqltest_3@localhost; revoke all on mysqltest_2.t1 from mysqltest_3@localhost; revoke all on mysqltest_2.t2 from mysqltest_3@localhost; grant all on mysqltest_2.* to mysqltest_3@localhost; grant select on *.* to mysqltest_3@localhost; grant select on mysqltest_2.t1 to mysqltest_3@localhost; flush privileges; use mysqltest_1; update mysqltest_2.t1, mysqltest_2.t2 set c=500,d=600; update mysqltest_1.t1, mysqltest_1.t2 set a=100,b=200; ERROR 42000: UPDATE command denied to user 'mysqltest_3'@'localhost' for column 'a' in table 't1' use mysqltest_2; update mysqltest_1.t1, mysqltest_1.t2 set a=100,b=200; ERROR 42000: UPDATE command denied to user 'mysqltest_3'@'localhost' for table 't1' update mysqltest_2.t1, mysqltest_1.t2 set c=100,b=200; ERROR 42000: UPDATE command denied to user 'mysqltest_3'@'localhost' for table 't2' update mysqltest_1.t1, mysqltest_2.t2 set a=100,d=200; ERROR 42000: UPDATE command denied to user 'mysqltest_3'@'localhost' for table 't1' select t1.*,t2.* from mysqltest_1.t1,mysqltest_1.t2; a q b r 10 2 1 2 select t1.*,t2.* from mysqltest_2.t1,mysqltest_2.t2; c s d t 500 2 600 2 delete from mysql.user where user='mysqltest_3'; delete from mysql.db where user="mysqltest_3"; delete from mysql.tables_priv where user="mysqltest_3"; delete from mysql.columns_priv where user="mysqltest_3"; flush privileges; drop database mysqltest_1; drop database mysqltest_2; create database mysqltest; create table mysqltest.t1 (a int,b int,c int); grant all on mysqltest.t1 to mysqltest_1@localhost; alter table t1 rename t2; ERROR 42000: INSERT,CREATE command denied to user 'mysqltest_1'@'localhost' for table 't2' revoke all privileges on mysqltest.t1 from mysqltest_1@localhost; delete from mysql.user where user=_binary'mysqltest_1'; drop database mysqltest; use mysql; insert into tables_priv values ('','test_db','mysqltest_1','test_table','test_grantor',CURRENT_TIMESTAMP,'Select','Select'); flush privileges; delete from tables_priv where host = '' and user = 'mysqltest_1'; flush privileges; set @user123="non-existent"; select * from mysql.db where user=@user123; Host Db User Select_priv Insert_priv Update_priv Delete_priv Create_priv Drop_priv Grant_priv References_priv Index_priv Alter_priv Create_tmp_table_priv Lock_tables_priv set names koi8r; create database ÂÄ; grant select on ÂÄ.* to root@localhost; select hex(Db) from mysql.db where Db='ÂÄ'; hex(Db) D0B1D0B4 show grants for root@localhost; Grants for root@localhost GRANT ALL PRIVILEGES ON *.* TO 'root'@'localhost' WITH GRANT OPTION GRANT SELECT ON `ÂÄ`.* TO 'root'@'localhost' flush privileges; show grants for root@localhost; Grants for root@localhost GRANT ALL PRIVILEGES ON *.* TO 'root'@'localhost' WITH GRANT OPTION GRANT SELECT ON `ÂÄ`.* TO 'root'@'localhost' drop database ÂÄ; revoke all privileges on ÂÄ.* from root@localhost; show grants for root@localhost; Grants for root@localhost GRANT ALL PRIVILEGES ON *.* TO 'root'@'localhost' WITH GRANT OPTION set names latin1; insert into mysql.user (host, user) values ('', 'mysqltest_7'); flush privileges; set password for mysqltest_7@ = password('systpass'); show grants for mysqltest_7@; Grants for mysqltest_7@ GRANT USAGE ON *.* TO 'mysqltest_7'@'' IDENTIFIED BY PASSWORD '*2FB071A056F9BB745219D9C876814231DAF46517' drop user mysqltest_7@; show grants for mysqltest_7@; ERROR 42000: There is no such grant defined for user 'mysqltest_7' on host '' create database mysqltest; use mysqltest; create table t1(f1 int); GRANT DELETE ON mysqltest.t1 TO mysqltest1@'%'; GRANT SELECT ON mysqltest.t1 TO mysqltest1@'192.%'; show grants for mysqltest1@'192.%'; Grants for mysqltest1@192.% GRANT USAGE ON *.* TO 'mysqltest1'@'192.%' GRANT SELECT ON `mysqltest`.`t1` TO 'mysqltest1'@'192.%' show grants for mysqltest1@'%'; Grants for mysqltest1@% GRANT USAGE ON *.* TO 'mysqltest1'@'%' GRANT DELETE ON `mysqltest`.`t1` TO 'mysqltest1'@'%' delete from mysql.user where user='mysqltest1'; delete from mysql.db where user='mysqltest1'; delete from mysql.tables_priv where user='mysqltest1'; flush privileges; drop database mysqltest;