MySQL經常使用命令基礎操做

時間 2019-11-12

標籤 mysql 經常使用命令基礎欄目 MySQL 简体版

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MySQL啓動與更改密碼

mysql啓動基本原理說明：

/etc/init.d/mysqld是一個shell啓動腳本，啓動後最終會調用，mysqld_safe腳本，最後調用mysqld服務啓動mysql，咱們編輯/etc/init.d/mysqld，能夠看到腳本，啓動倆個進程mysqld和mysqld_safe，通常故障的時候咱們用mysqld_safe來啓動，mysql

關閉mysql

1 mysqladmin - uroot -p密碼 shut down
2 /etc/init.d/mysqld stop 3 kill USR2`cat path/pid`

優雅的關閉mysql可是不建議用killall殺掉全部的mysql進程，這樣會致使mysql數據庫起不來，因此網友遇到這樣狀況也不少，linux

咱們登錄mysql後想分清出那個是正式環境那個是測試環境，sql

命令行修改登錄提示符shell

mysql> prompt\u@king\s->
PROMPT set to '\u@king\s->'

配置文件修改登錄提示符數據庫

在my.cnf配置文件中[mysql]模塊下添加以下內容，保存後，無需重啓myysql，退出當前的session，從新登錄服務器

[mysql]
prompt=\\u@king\s->

登錄mysql

[root @king~]# mysql
Welcome to the MySQL monitor.  Commands end with ; or \g.
Your MySQL connection id is 2
Server version: 5.5.40 MySQL Community Server (GPL)
Copyright (c) 2000, 2014, Oracle and/or its affiliates. All rights reserved.
Oracle is a registered trademark of Oracle Corporation and/or its
affiliates. Other names may be trademarks of their respective
owners.
Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.
mysql>

更改root密碼

1 mysql> update user set password=password('123456') where user='root' and host='localhost';  #password（'12345'）是指定一個函數
2 Query OK, 1 row affected (0.00 sec)
3 Rows matched: 1  Changed: 1  Warnings: 0
4 mysql> flush privileges;　　　　　　　　　　　　　　#刷新，沒刷新前是在內存裏面
5 Query OK, 0 rows affected (0.17 sec)
6 mysql>

說明，修改密碼都須要刷新一下哦，linux找回mysql root用戶密碼session

單實例mysql修改丟失root方法

1，首先中止mysqlide

/etc/init.d/mysql stop

2，使用--skip-grant-tables啓動mysql，忽略受權登錄驗證函數

 1 mysqld_safe --user=mysql --skip-grant-tables --skip-networking &
 2 mysql -u root -p　　　　　　　　#說明-p登錄時密碼是空，也能夠不加-p，親測哦(#^.^#)
 3 update mysql.user set password=password("newpassword") where user='root'and host='localhost'; 4 mysql> flush privileges; 5 mysql> quit 6 # /etc/init.d/mysql restart 7 # mysql -uroot -p 8 enter password: <輸入新設的密碼newpassword> 9 mysql>

多實例mysql修改丟失root方法

1關閉mysql測試

killall mysqld

2啓動時加--skip-grant-tables參數

mysql_safe --defaults-file=/data/3306/my.cnf --skip-grant-tables& mysql -u root -p -S /data/3306/mysql.sock

3修改密碼

mysql>update mysql.user set password=password("newpassword") where user='root'and host='localhost';
mysql> flush privileges;
Query OK, 0 rows affected (0.03 sec)

SQl的分類

SQl結構化查詢語言包含6個部分

數據查詢語言（DQL（data query language）），做用從表中獲取數據，關鍵字select，
數據操做語言（DMl（data manipulation language））做用處理表中的數據insert ，update，delete
事務處理語言（TPL）關鍵字begin，commit和 rollback
數據控制語言（DCl）grant（受權）和revoke
數據定義語言（DDl）create和drop在數據庫中建立新表或刪除表 alter
指針控制語言（CCl） declare cursor， fetch into 和update where current用於對一個或多個表單獨行的操做

查看數據庫

show databases;或show database link '';或select database;

 1 mysql> show databases;
 2 +--------------------+
 3 | Database           |
 4 +--------------------+
 5 | information_schema |
 6 | mysql              |
 7 | performance_schema |
 8 | student            |
 9 | test               |
10 +--------------------+
11 8 rows in set (0.01 sec)

建立數據庫

命令語法：create database <數據庫名> 注意庫名字不能數字開頭

 1 mysql> create database king;
 2 Query OK, 1 row affected (0.01 sec)
 3 
 4 mysql> show databases;
 5 +--------------------+
 6 | Database           |
 7 +--------------------+
 8 | information_schema |
 9 | king               |
10 | mysql              |
11 | performance_schema |
12 | student            |
13 | test               |
14 +--------------------+
15 6 rows in set (0.01 sec)
16 
17 mysql> show create  database king\G
18 *************************** 1. row ***************************
19        Database: king
20 Create Database: CREATE DATABASE `king` /*!40100 DEFAULT CHARACTER SET utf8 */
21 1 row in set (0.00 sec)
22 
23 mysql>

建立一個指定字符集的數據庫

1 mysql> CREATE DATABASE db_name DEFAULT CHARACTER SET utf8 COLLATE utf8_general_ci; #紅色指定編碼，藍色校驗規則。
2 Query OK, 1 row affected (0.01 sec)

刪除數據庫

drop database <數據庫名字>

 1 mysql> drop database test;
 2 Query OK, 1 row affected (0.07 sec)
 3 
 4 mysql> show databases;
 5 +--------------------+
 6 | Database           |
 7 +--------------------+
 8 | information_schema |
 9 | king               |
10 | mysql              |
11 | performance_schema |
12 | student            |
13 +--------------------+
14 5 rows in set (0.01 sec)

鏈接數據庫

命令：use <數據庫名>至關於linux下的cd切換目錄的命令，use是切換數據庫

 1 mysql> use king;
 2 Database changed
 3 mysql> select database();   #查看當前的數據庫，帶（）至關於函數，
 4 +------------+
 5 | database() |
 6 +------------+
 7 | king       |
 8 +------------+
 9 1 row in set (0.00 sec)

查看數據庫

select database （）;至關於linux下的pwd

 1 mysql> select version();　　　　#查看當前的版本
 2 +-----------+
 3 | version() |
 4 +-----------+
 5 | 5.5.40    |
 6 +-----------+
 7 1 row in set (0.06 sec)
 8 mysql> select user();　　　　　　#查看當前的用戶
 9 +----------------+
10 | user()         |
11 +----------------+
12 | root@localhost |
13 +----------------+
14 1 row in set (0.04 sec)
15 mysql> select now();　　　　　　#查看當前的時間
16 +---------------------+
17 | now()               |
18 +---------------------+
19 | 2018-11-02 19:26:39 |
20 +---------------------+
21 1 row in set (0.02 sec)
22 mysql>

表操做

建立表並查看

create table <表名>（<字段名1><類型1>）;

 1 mysql> create table im(id int(3) not null, name varchar(20) not null default'QQ'　　　　#建立表id爲int類型，name爲varchar
 2 );
 3 Query OK, 0 rows affected (0.59 sec)
 4 mysql> show tables from king;　　　　　　　　　　　　　　#從king數據庫中查看錶
 5 +----------------+
 6 | Tables_in_king |
 7 +----------------+
 8 | im |
 9 +----------------+
10 1 row in set (0.04 sec)
11 mysql> desc im;　　　　　　　　　　　　　　　　　　　　#查看錶結構
12 +-------+-------------+------+-----+---------+-------+
13 | Field | Type | Null | Key | Default | Extra |
14 +-------+-------------+------+-----+---------+-------+
15 | id | int(3) | NO | | NULL | |
16 | name | varchar(20) | NO | | QQ | |
17 +-------+-------------+------+-----+---------+-------+
18 2 rows in set (0.22 sec)
19 mysql>

show colums from im;查看錶結構

1 mysql> show create table im \G;　　　　　　　　#\G Send command to mysql server，display result vertically向MySQL服務器發送命令，垂直顯示結果
2 *************************** 1. row ***************************
3        Table: im
4 Create Table: CREATE TABLE `im` (
5   `id` int(3) NOT NULL,
6   `name` varchar(20) NOT NULL DEFAULT 'QQ'
7 ) ENGINE=InnoDB DEFAULT CHARSET=utf8
8 1 row in set (0.64 sec)

mysql表的字段類型

列類型	須要的存儲量
tinyint	1字節
smallint	2個字節
mediumint	3個字節
int	4個字節
integer	4個字節
bigint	8個字節
float（X）	4若是x<=24或8若是25<=X=53
float	4個字節
double	8個字節
double precision	8個字節
real	8個字節
decimal（M，D）	M字節（D+2，若是m<D）
numeric（M，D）	M字節（D+2，若是m<D）

爲表的字段建立索引

建立主鍵索引，查詢數據庫，按主鍵查詢是最快的，每個表只有一個主鍵列，可是能夠有多個普通的索引列，主鍵列要求列的內容必須惟一，而索引列不要求內容必須惟一。

create table student(
id int (4) not null auto_increment,
name char(20) not null,
age tinyint(2) not null default'0',
dept varchar(16) default null,
primary key (id),
key index_name(name));

1 mysql> create table student( id int (4) not null auto_increment, name char(20) n
2 ot null, age tinyint(2) not null default'0',dept varchar(16) default null,primar
3 y key (id), key index_name(name));
4 Query OK, 0 rows affected (0.18 sec)

auto_increment自增，primary key (id), 主鍵，key index_name(name));普通索引，

 1 mysql> desc student;　　　　　　　　#查看建立的student表
 2 +-------+-------------+------+-----+---------+----------------+
 3 | Field | Type        | Null | Key | Default | Extra          |
 4 +-------+-------------+------+-----+---------+----------------+
 5 | id    | int(4)      | NO   | PRI | NULL    | auto_increment |
 6 | name  | char(20)    | NO   | MUL | NULL    |                |
 7 | age   | tinyint(2)  | NO   |     | 0       |                |
 8 | dept  | varchar(16) | YES  |     | NULL    |                |
 9 +-------+-------------+------+-----+---------+----------------+
10 4 rows in set (0.17 sec)

alter table student drop primary key ;　　　　　　刪除主鍵，測試不行，

1 mysql> alter table student drop  primary key ;
2 ERROR 1075 (42000): Incorrect table definition; there can be only one auto column and it must be defined as a key

　　　　　　　　　　　　　　　不正確的表定義；只能有一個自動COLUM它必須被定義爲一個密鑰

alter table student change id id int primary key auto_increment; 若是建立表忘記添加主鍵了，就執行這個。

建立普通索引分爲惟一索引和普通索引

alter table student drop index index_name; # index固定索引，index_name是你建立表的時候的索引

alter table student add index index_name（name）;

create index index_name on student （name（8））; # index固定索引（固定寫法），index_name 隨便寫但要見名知意， on student 在哪一個表上（student）8就是前8個字符建立索引。

create index index_name_dept on student （name，dept）

按條件列查詢數據時，聯合索引是有前綴生效特性的 index（a，b，c）僅a，ab，abc三個查詢條件列能夠走索引

查看錶的索引

 1 mysql> show index from student\G;
 2 *************************** 1. row ***************************
 3         Table: student
 4    Non_unique: 0
 5      Key_name: PRIMARY
 6  Seq_in_index: 1
 7   Column_name: id
 8     Collation: A
 9   Cardinality: 0
10      Sub_part: NULL
11        Packed: NULL
12          Null:
13    Index_type: BTREE
14       Comment:
15 Index_comment:
16 *************************** 2. row ***************************
17         Table: student
18    Non_unique: 1
19      Key_name: index_name
20  Seq_in_index: 1
21   Column_name: name
22     Collation: A
23   Cardinality: 0
24      Sub_part: NULL
25        Packed: NULL
26          Null:
27    Index_type: BTREE
28       Comment:
29 Index_comment:
30 2 rows in set (0.00 sec)

建立惟一索引

create unique index uni on student（name）;

 1 mysql> create unique index uni on student (name);
 2 Query OK, 0 rows affected (0.09 sec)
 3 Records: 0  Duplicates: 0  Warnings: 0
 4 mysql> desc student;
 5 +-------+-------------+------+-----+---------+----------------+
 6 | Field | Type        | Null | Key | Default | Extra          |
 7 +-------+-------------+------+-----+---------+----------------+
 8 | id    | int(4)      | NO   | PRI | NULL    | auto_increment |
 9 | name  | char(20)    | NO   | UNI | NULL    |                |
10 | age   | tinyint(2)  | NO   |     | 0       |                |
11 | dept  | varchar(16) | YES  |     | NULL    |                |
12 +-------+-------------+------+-----+---------+----------------+
13 4 rows in set (0.02 sec)

要在表的列上建立索引
索引會加快查詢的速度，可是會影響更新的速度
索引不是越多越好，要在頻繁查詢的where後的條件列上建立索引
小表或惟一值極少的列上不建索引，要在帶包以及不一樣內容多的列上建立索引

往表中插入數據

create table test(

id int(4) not null auto_increment,

name char(20) not null,

primary key (id)

);

 1 mysql> create table test(id int(4) not null auto_increment, name char(20) not n
 2 ll,primary key (id));
 3 Query OK, 0 rows affected (0.01 sec)
 4 mysql> show tables;
 5 +----------------+
 6 | Tables_in_king |
 7 +----------------+
 8 | student        |
 9 | test           |
10 +----------------+
11 2 rows in set (0.00 sec)
12 mysql> insert into test (id,name) values(1,'boy');  #插入數據，主鍵自增咱們直接插name，insert into test（name） values（'new'）;
13 Query OK, 1 row affected (0.05 sec)
14 mysql> select *from test;
15 +----+------+
16 | id | name |
17 +----+------+
18 |  1 | boy  |
19 +----+------+
20 1 row in set (0.04 sec)

mysql> delete from test;
Query OK, 1 row affected (0.05 sec)
mysql> select *from test;
Empty set (0.00 sec)
mysql> insert into test (id,name) values(1,'boy'),(2,'new');
Query OK, 2 rows affected (0.00 sec)
Records: 2  Duplicates: 0  Warnings: 0

查詢數據

select *from 表名;

1 mysql> select *from test;
2 +----+------+
3 | id | name |
4 +----+------+
5 |  1 | boy  |
6 |  2 | new  |
7 +----+------+
8 2 rows in set (0.47 sec)

指定條件查詢

1 mysql> select *from test where id =1;　　　　#根據id查詢
2 +----+------+
3 | id | name |
4 +----+------+
5 |  1 | boy  |
6 +----+------+
7 1 row in set (0.09 sec)

1 mysql> select *from test where name='new';　　　　#根據name查詢，字符串須要帶引號
2 +----+------+
3 | id | name |
4 +----+------+
5 |  2 | new  |
6 +----+------+
7 1 row in set (0.03 sec)

多個條件查詢and區交集，or取並集。排序 order by id desc（正序），sec（倒序）

1 mysql> select *from test where name='new'or id=1;
2 +----+------+
3 | id | name |
4 +----+------+
5 |  1 | boy  |
6 |  2 | new  |
7 +----+------+
8 2 rows in set (0.08 sec)

explain查看索引、

 1 mysql> explain select *from test where name='new'\G;
 2 *************************** 1. row ***************************
 3            id: 1
 4   select_type: SIMPLE
 5         table: test
 6          type: ALL
 7 possible_keys: NULL
 8           key: NULL
 9       key_len: NULL　　　　#能夠看到索引爲空
10           ref: NULL
11          rows: 2
12         Extra: Using where
13 1 row in set (0.04 sec)

help explain;

修改表中指定條件固定列的數據

命令語法：update 表名 set 字段=新值，where 條件

 1 mysql> update test set name='wangxinxia' where id=2;
 2 Query OK, 1 row affected (0.90 sec)
 3 Rows matched: 1  Changed: 1  Warnings: 0
 4 mysql> desc test;
 5 +-------+----------+------+-----+---------+----------------+
 6 | Field | Type     | Null | Key | Default | Extra          |
 7 +-------+----------+------+-----+---------+----------------+
 8 | id    | int(4)   | NO   | PRI | NULL    | auto_increment |
 9 | name  | char(20) | NO   |     | NULL    |                |
10 +-------+----------+------+-----+---------+----------------+
11 2 rows in set (0.25 sec)
12 mysql> select* from test;
13 +----+------------+
14 | id | name       |
15 +----+------------+
16 |  1 | boy        |
17 |  2 | wangxinxia |
18 +----+------------+
19 2 rows in set (0.00 sec)

truncate table test;和delete from test的區別

truncate 更快，清空物理文件
delete邏輯清楚，按行刪

刪除數據

 1 mysql> delete from student where id=3;
 2 Query OK, 1 row affected (0.30 sec)
 3 mysql> show tables;
 4 +----------------+
 5 | Tables_in_king |
 6 +----------------+
 7 | student        |
 8 | test           |
 9 +----------------+
10 2 rows in set (0.07 sec)
11 mysql> select * from student;
12 +----+----------+-----+-------+
13 | id | name     | age | dept  |
14 +----+----------+-----+-------+
15 |  1 | zhangsan |  20 | yanfa |
16 |  2 | zhaoliu  |  21 | dba   |
17 +----+----------+-----+-------+

增刪改表的字段

語法alter table 表名 add sex char（4）；

 1 mysql> alter table student add sex char (4);
 2 Query OK, 2 rows affected (0.54 sec)
 3 Records: 2  Duplicates: 0  Warnings: 0
 4 mysql> desc student;
 5 +-------+-------------+------+-----+---------+----------------+
 6 | Field | Type        | Null | Key | Default | Extra          |
 7 +-------+-------------+------+-----+---------+----------------+
 8 | id    | int(4)      | NO   | PRI | NULL    | auto_increment |
 9 | name  | char(20)    | NO   | UNI | NULL    |                |
10 | age   | tinyint(2)  | NO   |     | 0       |                |
11 | dept  | varchar(16) | YES  |     | NULL    |                |
12 | sex   | char(4)     | YES  |     | NULL    |                |
13 +-------+-------------+------+-----+---------+----------------+
14 5 rows in set (0.20 sec)

alter table 表名 add qq varchar（10）first；

 1 mysql> alter table student add  qq varchar(10) first;
 2 Query OK, 2 rows affected (0.06 sec)
 3 Records: 2  Duplicates: 0  Warnings: 0
 4 mysql> desc student;
 5 +-------+-------------+------+-----+---------+----------------+
 6 | Field | Type        | Null | Key | Default | Extra          |
 7 +-------+-------------+------+-----+---------+----------------+
 8 | qq    | varchar(10) | YES  |     | NULL    |                |
 9 | id    | int(4)      | NO   | PRI | NULL    | auto_increment |
10 | name  | char(20)    | NO   | UNI | NULL    |                |
11 | age   | tinyint(2)  | NO   |     | 0       |                |
12 | dept  | varchar(16) | YES  |     | NULL    |                |
13 | sex   | char(4)     | YES  |     | NULL    |                |
14 +-------+-------------+------+-----+---------+----------------+
15 6 rows in set (0.02 sec)

rename table 原表to新表

 1 mysql> show tables;
 2 +----------------+
 3 | Tables_in_king |
 4 +----------------+
 5 | student        |
 6 | test           |
 7 +----------------+
 8 2 rows in set (0.00 sec)
 9 mysql> rename table test to test1;
10 Query OK, 0 rows affected (0.05 sec)
11 
12 mysql> show tables;
13 +----------------+
14 | Tables_in_king |
15 +----------------+
16 | student        |
17 | test1          |
18 +----------------+
19 2 rows in set (0.00 sec)

alter table test1 rename to test；

mysql插入數據解決亂碼問題

set names 庫的字符集，這種方法是臨時的每次進來以前都須要執行
source test.sql在這個文件中插入set names 庫字符集
對已有數據，須要把數據導出去，從新建庫建表，在導進來。

建立/查看/刪除mysql系統的用戶

語法：

create user '用戶名'@'主機名' identified by '用戶名';　　建立用戶
select host,user from mysql.user; 查看用戶
drop user 用戶名@'%';注意能夠是單或者雙引號，但不能不加，刪除用戶
delete from mysql.user where user='用戶名' and host=‘@後面指定的主機名’;

 1 mysql> create user 'usrabc'@'%' identified by 'usrabc';  #建立usrabc用戶
 2 Query OK, 0 rows affected (0.49 sec)
 3 mysql> select host,user from mysql.user;　　　　　　　　　#查看全部用戶　　　
 4 +-----------+--------+
 5 | host | user |
 6 +-----------+--------+
 7 | % | usrabc |
 8 | localhost | root |
 9 +-----------+--------+
10 2 rows in set (0.00 sec)
11 mysql> drop user usrabc@'%';　　　　　　　　　　　　#刪除usrabc用戶
12 Query OK, 0 rows affected (0.00 sec)

處理完用戶最好刷新一下權限，flush privileges;

建立mysql用戶及賦予用戶權限

經過help grant 查看幫助，比較經常使用的建立用戶的方法是：CREATE USER 'jeffrey'@'localhost' IDENTIFIED BY 'mypass'

CREATE USER 'jeffrey'@'localhost' IDENTIFIED BY 'mypass'
GRANT ALL ON db1.* TO 'jeffrey'@'localhost'　　　　　　　　　　#這倆命令是先用create建立用戶，而後在受權
GRANT SELECT ON db2.invoice TO 'jeffrey'@'localhost'
GRANT USAGE ON *.* TO 'jeffrey'@'localhost' WITH MAX_QUERIES_PER_HOUR 90

經過grant命令建立用戶並受權，命令語法：grant all privileges on dbname.* to username@localhost identified by 'passwd';

grant	all privileges	on dbname.*	to username@localhost	identified by 'passwd'
受權命令	對應權限	目標：庫和表	用戶名和客戶端主機	用戶密碼

1 mysql> grant all privileges on king.* to liang@localhost identified by '123456';
2 #建立liang用戶，對king庫具有全部權限，容許從localhost主機登錄管理數據庫，密碼是123456.
3 Query OK, 0 rows affected (0.01 sec)
4 mysql> flush privileges;
5 Query OK, 0 rows affected (0.96 sec)

 1 mysql> show grants for liang@localhost;　　　　　　　　#查看權限
 2 +-------------------------------------------------------------------------------
 3 -------------------------------+
 4 | Grants for liang@localhost
 5                                |
 6 +-------------------------------------------------------------------------------
 7 -------------------------------+
 8 | GRANT USAGE ON *.* TO 'liang'@'localhost' IDENTIFIED BY PASSWORD '*6BB4837EB74
 9 329105EE4568DDA7DC67ED2CA2AD9' |
10 | GRANT ALL PRIVILEGES ON `king`.* TO 'liang'@'localhost'
11                                |
12 +-------------------------------------------------------------------------------
13 -------------------------------+
14 2 rows in set (0.07 sec)

create和grant配合

1 mysql> create user zh@localhost identified by '123456';
2 Query OK, 0 rows affected (0.04 sec)
3 mysql> grant all on king.* to zh@localhost;
4 Query OK, 0 rows affected (0.00 sec)
5 mysql> flush privileges;
6 Query OK, 0 rows affected (0.00 sec)

受權局域網內主機遠程鏈接數據庫grant all privileges on king.* to liang@10.0.0.% identified by '123456';把localhost改成ip就能夠了。鏈接，mysql -uliang -p123456 -h10.0.0.%

 1 mysql> show grants for zh@localhost;　　　　　　　　#查看zh用戶權限
 2 +-------------------------------------------------------------------------------
 3 ----------------------------+
 4 | Grants for zh@localhost
 5 |
 6 +-------------------------------------------------------------------------------
 7 ----------------------------+
 8 | GRANT USAGE ON *.* TO 'zh'@'localhost' IDENTIFIED BY PASSWORD '*6BB4837EB74329
 9 105EE4568DDA7DC67ED2CA2AD9' |
10 | GRANT ALL PRIVILEGES ON `king`.* TO 'zh'@'localhost'
11 |
12 +-------------------------------------------------------------------------------
13 ----------------------------+
14 2 rows in set (0.16 sec)
15 
16 mysql> revoke insert on king.* from zh@localhost;　　　　#更改權限
17 Query OK, 0 rows affected (0.04 sec)
18 
19 mysql> show grants for zh@localhost;
20 +-------------------------------------------------------------------------------
21 --------------------------------------------------------------------------------
22 -------------------------------------------------------------+
23 | Grants for zh@localhost
24 
25 |
26 +-------------------------------------------------------------------------------
27 --------------------------------------------------------------------------------
28 -------------------------------------------------------------+
29 | GRANT USAGE ON *.* TO 'zh'@'localhost' IDENTIFIED BY PASSWORD '*6BB4837EB74329
30 105EE4568DDA7DC67ED2CA2AD9'
31 |
32 | GRANT SELECT, UPDATE, DELETE, CREATE, DROP, REFERENCES, INDEX, ALTER, CREATE T
33 EMPORARY TABLES, LOCK TABLES, EXECUTE, CREATE VIEW, SHOW VIEW, CREATE ROUTINE, A
34 LTER ROUTINE, EVENT, TRIGGER ON `king`.* TO 'zh'@'localhost' |
35 +-------------------------------------------------------------------------------
36 --------------------------------------------------------------------------------
37 -------------------------------------------------------------+
38 2 rows in set (0.06 sec)

1 mysql -uroot -p123456 -e "show grants for zh@localhost;"|grep -i grant　　#用linux中grep命令過濾須要的權限
2 Grants for zh@localhost
3 GRANT USAGE ON *.* TO 'zh'@'localhost' IDENTIFIED BY PASSWORD '*6BB4837EB74329
4 105EE4568DDA7DC67ED2CA2AD9'
5 GRANT SELECT, UPDATE, DELETE, CREATE, DROP, REFERENCES, INDEX, ALTER, CREATE T
6 EMPORARY TABLES, LOCK TABLES, EXECUTE, CREATE VIEW, SHOW VIEW, CREATE ROUTINE, A
7 LTER ROUTINE, EVENT, TRIGGER ON `king`.* TO 'zh'@'localhost'