MySQL 5.7 のセキュリティ関連機能の学習体験_MySQL

create user dxy@localhost identified by '123456' password expire interval 10 day; ---- 10天后过期

alter user zjy@localhost password expire never; ----永不过期

alter user dxy@localhost password expire;

ERROR 1820 (HY000): You must reset your password using ALTER USER statement before executing this statement.

alter user dxy@localhost account lock;

ERROR 3118 (HY000): Access denied for user 'dxy'@'localhost'. Account is locked.

alter user dxy@localhost account unlock;

create user dxy@127.0.0.1 identified by '123456';

grant all on test.* to dxy@127.0.0.1;

create user dxy_proxy@127.0.0.1 identified by '123456';

grant proxy on dxy@127.0.0.1 to dxy_proxy@127.0.0.1;

show grants for dxy_proxy@127.0.0.1;
+-------------------------------------------------------------+
| GRANT USAGE ON *.* TO 'dxy_proxy'@'127.0.0.1' |
| GRANT PROXY ON 'dxy'@'127.0.0.1' TO 'dxy_proxy'@'127.0.0.1' |
+-------------------------------------------------------------+

select user(),current_user();
+---------------------+----------------+
| user() | current_user() |
+---------------------+----------------+
| dxy_proxy@127.0.0.1 | dxy@127.0.0.1 |
+---------------------+----------------+

show grants;+-------------------------------------------------------+ +-------------------------------------------------------+
| GRANT USAGE ON *.* TO 'dxy'@'127.0.0.1' |
| GRANT ALL PRIVILEGES ON `test`.* TO 'dxy'@'127.0.0.1' |
+-------------------------------------------------------+

mysql> show databases;
+--------------------+
| Database |
+--------------------+
| information_schema |
| test |
+--------------------+
mysql> use test
mysql> show tables;
+----------------+
| Tables_in_test |
+----------------+
| tttt |
+----------------+
mysql> select * from tttt; +------+
| id |
+------+
| 1 |
| 100 |
+------+
mysql> insert into tttt values(2),(200);
mysql> select * from tttt;
+------+
| id |
+------+
| 1 |
| 100 |
| 2 |
| 200 |
+------+

create user dxy@localhost identified by '123456' require SSL with MAX_QUERIES_PER_HOUR 100 MAX_USER_CONNECTIONS 100 password expire never account unlock;

root@t20:~# mysql_ssl_rsa_setup 
Generating a 2048 bit RSA private key
.................................+++
....................+++
writing new private key to 'ca-key.pem'
-----
Generating a 2048 bit RSA private key
......+++
..............................+++
writing new private key to 'server-key.pem'
-----
Generating a 2048 bit RSA private key
.........................................................................................+++
..+++
writing new private key to 'client-key.pem'
-----

root@t20:/var/lib/mysql# mysql -udba -p -h127.0.0.1
Enter password: 
mysql> \s
--------------
mysql Ver 14.14 Distrib 5.7.12, for Linux (x86_64) using EditLine wrapper
Connection id: 4
Current database: 
Current user: dba@localhost
SSL: Cipher in use is DHE-RSA-AES256-SHA
...
...

root@t20:~# mysql -udba -p -h127.0.0.1 --ssl=1 
WARNING: --ssl is deprecated and will be removed in a future version. Use --ssl-mode instead.
Enter password: 
mysql> \s
--------------
mysql Ver 14.14 Distrib 5.7.12, for Linux (x86_64) using EditLine wrapper
Connection id: 10
Current database: 
Current user: dba@localhost
SSL: Cipher in use is DHE-RSA-AES256-SHA
...
...

----对于datetime类型<NO_ZERO_DATE>：
插入"0000-00-00 00:00:00"值，会报错：Incorrect datetime value
----对于varchar/char类型<STRICT_TRANS_TABLES>：
插入字符串超出长度，会报错： Data too long for column...
----对于not null的列<STRICT_TRANS_TABLES>：
插入不指定not null的列会报错：Field 'xxx' doesn't have a default value ' 
----对于grant<NO_AUTO_CREATE_USER>：
授权一个用户，不指定密码会报错：Can't find any matching row in the user table '
----对于engine存储引擎<NO_ENGINE_SUBSTITUTION>：
创建一个不支持的存储引擎，不会转换为默认的存储引擎，直接报错：Unknown storage engine ... Using storage engine InnoDB for table '...'