服務(wù)：

# chkconfig --list??????? 列出所有系統(tǒng)服務(wù)

# chkconfig --list | grep on???? 列出所有啟動(dòng)的系統(tǒng)服務(wù)

# chkconfig --list mysqld

# whereis mysql? 查看文件安裝路徑

# which mysql???? 查詢運(yùn)行文件所在路徑(文件夾地址)

usr/bin/mysql 是指：mysql的運(yùn)行路徑

var/lib/mysql 是指：mysql數(shù)據(jù)庫(kù)文件的存放路徑

usr/lib/mysql 是指：mysql的安裝路徑

添加環(huán)境變量：

# vi /etc/profile

# export MYSQL_HOME=/usr/local/mysql

# export PATH=$PATH:$MYSQL_HOME/bin

1.數(shù)據(jù)庫(kù)指令：

# service mysqld start??? 啟動(dòng)MySQL

# service mysqld restart 重啟MySQL

# service mysqld stop???? 停止MySQL

2.進(jìn)入MySQL表單操作

# -u root -p? /mysql -h localhost -u root -p DatabaseName;??? 進(jìn)入MySQL

MySQL> show databases;??????????? 列出數(shù)據(jù)庫(kù)

MySQL>? create database XXX;????? 創(chuàng)建數(shù)據(jù)庫(kù)XXX

MySQL>? use databaseName;???????? 使用數(shù)據(jù)庫(kù)databaseName

MySQL>? show tables;????????????? 列出表單

MySQL> create table mytablename (ID int auto_increment not null primary key,usename varchar(20),password varchar(64),sex varchar(10),address varchar(20));? 創(chuàng)建表單

MySQL> drop table mytablename ;???????????????? 刪除表單

MySQL> drop database databasename;????????????? 刪除數(shù)據(jù)庫(kù)

3.增刪改查

MySQL>? insert into mytablename values('','zhangsan','123456','fomale','guiyanag');? 插入

MySQL> select * from mytablename ;???????????????? 查找驗(yàn)證結(jié)果

MySQL> select * from mytablename? where ID = '1';? 精準(zhǔn)查找

MySQL> update mytablename? set address = 'shanghai' where username = 'zhangsan'; 修改zhangsan的address為shanghai

MySQL> delete from mytablename? where ID = '1';???? 刪除記錄

新增萬(wàn)能用戶

grant select On database.* to username@localhost identity by 'password'

用戶名user_1 密碼是123456

可以自任何PC上登錄這個(gè)用戶對(duì)數(shù)據(jù)庫(kù)操作

MySQL> grant select,insert update,delete on *.* to user_1@"%" identity by "123456";

創(chuàng)建只有在本機(jī)才能操作數(shù)據(jù)庫(kù)的用戶

用戶名user_2 密碼是123456

MySQL> grant select,insert update,delete on *.* to user_2@localhost identity by "123456";

登錄數(shù)據(jù)庫(kù)庫(kù)

MySQL> -u user_1 -p -h IP地址;

另外附上常用的一些命令我列一下僅供參考：

其它的mysql數(shù)據(jù)庫(kù)相關(guān)的操作如下

(1) 創(chuàng)建數(shù)據(jù)庫(kù)TestDB mysql> create database TestDB;

(2) 制定TestDB數(shù)據(jù)庫(kù)為當(dāng)前默認(rèn)數(shù)據(jù)庫(kù) mysql> use TestDB;

(3) 在TestDB數(shù)據(jù)庫(kù)中創(chuàng)建表customers mysql> create table customers(userid int not null, username varchar(20) not null);

(4) 顯示數(shù)據(jù)庫(kù)列表 mysql> show databases;

(5)顯示數(shù)據(jù)庫(kù)中的表 mysql> show tables;

(6)刪除表customers mysql> drop table customers;

(7)顯示customers表的結(jié)構(gòu) mysql> desc customers;

(8) 向customers表中插入一條記錄 mysql> insert into customers(userid, username) values(1, 'hujiahui');

(9) 讓操作及時(shí)生效; mysql> commit;

(10) 查詢customers中的記錄 mysql> select * from customers;

(11) 更新表中的數(shù)據(jù) mysql> update customers set username='DennisHu' where userid=1;

(12) 刪除表中的記錄 mysql> delete from customers;

(13)授予likui用戶訪問數(shù)據(jù)庫(kù)的權(quán)限 # grant select, insert, update, delete on *.* to likui@localhost indentified by "123456";

原文鏈接：https://www.jianshu.com/p/875a907b838a

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