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	Create_view_priv	Show_view_priv	Create_routine_priv	Alter_routine_priv	Create_user_priv	ssl_type	ssl_cipher	x509_issuer	x509_subject	max_questions	max_updates	max_connections	max_user_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	N	N	N	N	N	SPECIFIED	EDH-RSA-DES-CBC3-SHA			0	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	Create_view_priv	Show_view_priv	Create_routine_priv	Alter_routine_priv	Create_user_priv	ssl_type	ssl_cipher	x509_issuer	x509_subject	max_questions	max_updates	max_connections	max_user_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	N	N	N	N	N					10	0	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	Create_view_priv	Show_view_priv	Create_routine_priv	Alter_routine_priv	Create_user_priv	ssl_type	ssl_cipher	x509_issuer	x509_subject	max_questions	max_updates	max_connections	max_user_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	N	N	N	N	N					10	20	30	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 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, EXECUTE, CREATE VIEW, SHOW VIEW, CREATE ROUTINE, ALTER ROUTINE 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');
Warnings:
Warning	1364	Field 'ssl_cipher' doesn't have a default value
Warning	1364	Field 'x509_issuer' doesn't have a default value
Warning	1364	Field 'x509_subject' doesn't have a default value
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;
revoke all privileges, grant option from drop_user1@localhost, drop_user2@localhost,
drop_user3@localhost, drop_user4@localhost;
ERROR HY000: Can't revoke all privileges, grant for one or more of the requested users
drop user drop_user1@localhost, drop_user2@localhost, drop_user3@localhost,
drop_user4@localhost;
ERROR HY000: Operation DROP USER failed for '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_1@localhost;
show grants for mysqltest_1@localhost;
Grants for mysqltest_1@localhost
GRANT USAGE ON *.* TO 'mysqltest_1'@'localhost' IDENTIFIED BY PASSWORD '*2470C0C06DEE42FD1618BB99005ADCA2EC9D1E19'
GRANT SELECT, INSERT, UPDATE ON `test`.* TO 'mysqltest_1'@'localhost'
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 USER 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.t2, mysqltest_2.t2 set d=20 where d=1;
ERROR 42000: SELECT command denied to user 'mysqltest_3'@'localhost' for column 'd' in table 't2'
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 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;
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 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;
SHOW PRIVILEGES;
Privilege	Context	Comment
Alter	Tables	To alter the table
Alter routine	Functions,Procedures	To alter or drop stored functions/procedures
Create	Databases,Tables,Indexes	To create new databases and tables
Create routine	Functions,Procedures	To use CREATE FUNCTION/PROCEDURE
Create temporary tables	Databases	To use CREATE TEMPORARY TABLE
Create view	Tables	To create new views
Create user	Server Admin	To create new users
Delete	Tables	To delete existing rows
Drop	Databases,Tables	To drop databases, tables, and views
Execute	Functions,Procedures	To execute stored routines
File	File access on server	To read and write files on the server
Grant option	Databases,Tables,Functions,Procedures	To give to other users those privileges you possess
Index	Tables	To create or drop indexes
Insert	Tables	To insert data into tables
Lock tables	Databases	To use LOCK TABLES (together with SELECT privilege)
Process	Server Admin	To view the plain text of currently executing queries
References	Databases,Tables	To have references on tables
Reload	Server Admin	To reload or refresh tables, logs and privileges
Replication client	Server Admin	To ask where the slave or master servers are
Replication slave	Server Admin	To read binary log events from the master
Select	Tables	To retrieve rows from table
Show databases	Server Admin	To see all databases with SHOW DATABASES
Show view	Tables	To see views with SHOW CREATE VIEW
Shutdown	Server Admin	To shut down the server
Super	Server Admin	To use KILL thread, SET GLOBAL, CHANGE MASTER, etc.
Update	Tables	To update existing rows
Usage	Server Admin	No privileges - allow connect only
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;