bitsCN.com
备份mysql一直是很多朋友比较头痛的问题,尤其是按按时间段备份,今天笔者将以图文教程的方法教你每天如何一键备份mysql数据库文件。
1、先是建立批处理文件,将以下代码另存为.bat文件,文件名最好为英文。注意下面的路径,以笔者自己的数据库为例,数据库安装在D盘下mysqlmysql下,备份位置在F:beifen,后面的代码是日期。
@echo off
color 0D
MODE con: COLS=71 LINES=25
title mysql数据库自动备份脚本(任务计划)--脚本作者:http://www.***.com
set sou_dir="D:mysqlMysqldata"
set obj_dir=F:beifen%date:~0,10%
net stop mysql
md %obj_dir%
xcopy /e /y %sou_dir% %obj_dir%
net start mysql
@echo off&setlocal enabledelayedexpansion
call:D,30
echo. 30天前日期为:%D%
echo. 删除30天以前备份......
if exist F:beifen%D% rd /s /q F:beifen%D%
echo 自动备份完成,程序将自动退出......
ping -n 2 127.0.0>nul
exit
:D
for /f "tokens=1-3 delims=-:/ " %%a in ("%date%") do (
set Y=%%a&set M=%%b&set D=%%c
if "!M:~0,1!"=="0" set M=!M:~1!
if "!D:~0,1!"=="0" set D=!D:~1!
)
set/a D-=%1
if %D% gtr 0 goto:Y
:M
set/a M-=1
if !M!==0 set/a Y-=1,M=12
set/a "T=^!(M-2)","R=(^!(Y%%4)&^!^!(Y%%100))|^!(Y%%400)","C=^!(M-4)|^!(M-6)|^!(M-9)|^!(M-11)","D=T*(28+R)+C*30+(^!T&^!C)
*31+D"
if %D% leq 0 goto:M
:Y
set M=0%M%&set D=0%D%&set D=%Y%-!M:~-2!-!D:~-2!
2、建立一个计划任务,可以每天或三天,甚至更长时间备份,备份时mysql自动停止,备份完成后,mysql会自动启动。打开控制面板---双击任务计划,按照提示一步步选择,如下图所示:

3、我们可以根据需要设定每天、每周或其他日期定期备份mysql数据库。笔者实验过,完全满足我们日常mysql数据库备份工作需要。

本文原创自路饭网 http://www.45fan.com,转载需注明出处!
bitsCN.com
The reasons why MySQL is widely used in various projects include: 1. High performance and scalability, supporting multiple storage engines; 2. Easy to use and maintain, simple configuration and rich tools; 3. Rich ecosystem, attracting a large number of community and third-party tool support; 4. Cross-platform support, suitable for multiple operating systems.

The steps for upgrading MySQL database include: 1. Backup the database, 2. Stop the current MySQL service, 3. Install the new version of MySQL, 4. Start the new version of MySQL service, 5. Recover the database. Compatibility issues are required during the upgrade process, and advanced tools such as PerconaToolkit can be used for testing and optimization.

MySQL backup policies include logical backup, physical backup, incremental backup, replication-based backup, and cloud backup. 1. Logical backup uses mysqldump to export database structure and data, which is suitable for small databases and version migrations. 2. Physical backups are fast and comprehensive by copying data files, but require database consistency. 3. Incremental backup uses binary logging to record changes, which is suitable for large databases. 4. Replication-based backup reduces the impact on the production system by backing up from the server. 5. Cloud backups such as AmazonRDS provide automation solutions, but costs and control need to be considered. When selecting a policy, database size, downtime tolerance, recovery time, and recovery point goals should be considered.

MySQLclusteringenhancesdatabaserobustnessandscalabilitybydistributingdataacrossmultiplenodes.ItusestheNDBenginefordatareplicationandfaulttolerance,ensuringhighavailability.Setupinvolvesconfiguringmanagement,data,andSQLnodes,withcarefulmonitoringandpe

Optimizing database schema design in MySQL can improve performance through the following steps: 1. Index optimization: Create indexes on common query columns, balancing the overhead of query and inserting updates. 2. Table structure optimization: Reduce data redundancy through normalization or anti-normalization and improve access efficiency. 3. Data type selection: Use appropriate data types, such as INT instead of VARCHAR, to reduce storage space. 4. Partitioning and sub-table: For large data volumes, use partitioning and sub-table to disperse data to improve query and maintenance efficiency.

TooptimizeMySQLperformance,followthesesteps:1)Implementproperindexingtospeedupqueries,2)UseEXPLAINtoanalyzeandoptimizequeryperformance,3)Adjustserverconfigurationsettingslikeinnodb_buffer_pool_sizeandmax_connections,4)Usepartitioningforlargetablestoi

MySQL functions can be used for data processing and calculation. 1. Basic usage includes string processing, date calculation and mathematical operations. 2. Advanced usage involves combining multiple functions to implement complex operations. 3. Performance optimization requires avoiding the use of functions in the WHERE clause and using GROUPBY and temporary tables.

Efficient methods for batch inserting data in MySQL include: 1. Using INSERTINTO...VALUES syntax, 2. Using LOADDATAINFILE command, 3. Using transaction processing, 4. Adjust batch size, 5. Disable indexing, 6. Using INSERTIGNORE or INSERT...ONDUPLICATEKEYUPDATE, these methods can significantly improve database operation efficiency.


Hot AI Tools

Undresser.AI Undress
AI-powered app for creating realistic nude photos

AI Clothes Remover
Online AI tool for removing clothes from photos.

Undress AI Tool
Undress images for free

Clothoff.io
AI clothes remover

Video Face Swap
Swap faces in any video effortlessly with our completely free AI face swap tool!

Hot Article

Hot Tools

SublimeText3 Chinese version
Chinese version, very easy to use

PhpStorm Mac version
The latest (2018.2.1) professional PHP integrated development tool

ZendStudio 13.5.1 Mac
Powerful PHP integrated development environment

mPDF
mPDF is a PHP library that can generate PDF files from UTF-8 encoded HTML. The original author, Ian Back, wrote mPDF to output PDF files "on the fly" from his website and handle different languages. It is slower than original scripts like HTML2FPDF and produces larger files when using Unicode fonts, but supports CSS styles etc. and has a lot of enhancements. Supports almost all languages, including RTL (Arabic and Hebrew) and CJK (Chinese, Japanese and Korean). Supports nested block-level elements (such as P, DIV),

EditPlus Chinese cracked version
Small size, syntax highlighting, does not support code prompt function
