---
layout: post
title: redis 7：redis transaction 和 connection命令操作
category: 技术
tags:  Redis
keywords: 
description: redis之transaction 和 connection命令的基本操作
---

{:toc}



## redis transaction命令操作


### 1.DISCARD -

summary: Discard all commands issued after MULTI  
since: 2.0.0

### 2.EXEC -

summary: Execute all commands issued after MULTI  
since: 1.2.0

### 3.MULTI -
summary: Mark the start of a transaction block  
since: 1.2.0

### 4.UNWATCH -

summary: Forget about all watched keys  
since: 2.2.0

### 5.WATCH key [key ...]

summary: Watch the given keys to determine execution of the MULTI/EXEC block  
since: 2.2.0



##  redis connection命令操作

### 1.验证服务器密码

AUTH password  
summary: Authenticate to the server  
since: 1.0.0  

### 2.显示指定的message信息

ECHO message  
summary: Echo the given string  
since: 1.0.0 

### 3.判断服务是否ping通

PING -  
summary: Ping the server  
since: 1.0.0  

### 4.关闭连接并退出

QUIT -  
summary: Close the connection  
since: 1.0.0  

### 5.选择redis下的数据库

SELECT index  
summary: Change the selected database for the current connection  
since: 1.0.0