René's URL Explorer Experiment


Title: toBeBetterJavaer/docs/interview/mysql-suoyin-15.md at master · gl5/toBeBetterJavaer · GitHub

Open Graph Title: toBeBetterJavaer/docs/interview/mysql-suoyin-15.md at master · gl5/toBeBetterJavaer

X Title: toBeBetterJavaer/docs/interview/mysql-suoyin-15.md at master · gl5/toBeBetterJavaer

Description: 一份通俗易懂、风趣幽默的Java学习指南，内容涵盖Java基础、Java并发编程、Java虚拟机、Java企业级开发、Java面试等核心知识点。学Java，就认准二哥的Java进阶之路😄 - toBeBetterJavaer/docs/interview/mysql-suoyin-15.md at master · gl5/toBeBetterJavaer

Open Graph Description: 一份通俗易懂、风趣幽默的Java学习指南，内容涵盖Java基础、Java并发编程、Java虚拟机、Java企业级开发、Java面试等核心知识点。学Java，就认准二哥的Java进阶之路😄 - gl5/toBeBetterJavaer

X Description: 一份通俗易懂、风趣幽默的Java学习指南，内容涵盖Java基础、Java并发编程、Java虚拟机、Java企业级开发、Java面试等核心知识点。学Java，就认准二哥的Java进阶之路😄 - gl5/toBeBetterJavaer

Opengraph URL: https://github.com/gl5/toBeBetterJavaer/blob/master/docs/interview/mysql-suoyin-15.md

X: @github

direct link

Domain: github.com

route-pattern/:user_id/:repository/blob/*name(/*path)
route-controllerblob
route-actionshow
fetch-noncev2:7fbdeb57-4657-d9e3-b7c4-40965b7c5f12
current-catalog-service-hashf3abb0cc802f3d7b95fc8762b94bdcb13bf39634c40c357301c4aa1d67a256fb
request-idE8B4:2A0EBE:4B30AF5:641F21C:6A654E9F
html-safe-noncef26c3da73a680c1ad0c2fabf0a11f4c5b070daa1df4863bad790712018481a39
visitor-payloadeyJyZWZlcnJlciI6IiIsInJlcXVlc3RfaWQiOiJFOEI0OjJBMEVCRTo0QjMwQUY1OjY0MUYyMUM6NkE2NTRFOUYiLCJ2aXNpdG9yX2lkIjoiODE0NjUxMzk1Mzg3MzU0NjkxMSIsInJlZ2lvbl9lZGdlIjoiaWFkIiwicmVnaW9uX3JlbmRlciI6ImlhZCJ9
visitor-hmac529b0937eac84cdaea960a4d3392943970833dee4ab229778bfb8a6c5819e9e0
hovercard-subject-tagrepository:659594551
github-keyboard-shortcutsrepository,source-code,file-tree,copilot
google-site-verificationApib7-x98H0j5cPqHWwSMm6dNU4GmODRoqxLiDzdx9I
octolytics-urlhttps://collector.github.com/github/collect
analytics-location///blob/show
fb:app_id1401488693436528
apple-itunes-appapp-id=1477376905, app-argument=https://github.com/gl5/toBeBetterJavaer/blob/master/docs/interview/mysql-suoyin-15.md
twitter:imagehttps://opengraph.githubassets.com/1b2d30a0d61ea818a51a2062432309973d2dbdb28592412411d6558680f18f51/gl5/toBeBetterJavaer
twitter:cardsummary_large_image
og:imagehttps://opengraph.githubassets.com/1b2d30a0d61ea818a51a2062432309973d2dbdb28592412411d6558680f18f51/gl5/toBeBetterJavaer
og:image:alt一份通俗易懂、风趣幽默的Java学习指南，内容涵盖Java基础、Java并发编程、Java虚拟机、Java企业级开发、Java面试等核心知识点。学Java，就认准二哥的Java进阶之路😄 - gl5/toBeBetterJavaer
og:image:width1200
og:image:height600
og:site_nameGitHub
og:typeobject
hostnamegithub.com
expected-hostnamegithub.com
None52c76df668885aaff23b50bdca1fa1ea44ac9c1553e888ebc70ff1e4daa4625b
turbo-cache-controlno-cache
go-importgithub.com/gl5/toBeBetterJavaer git https://github.com/gl5/toBeBetterJavaer.git
octolytics-dimension-user_id1990331
octolytics-dimension-user_logingl5
octolytics-dimension-repository_id659594551
octolytics-dimension-repository_nwogl5/toBeBetterJavaer
octolytics-dimension-repository_publictrue
octolytics-dimension-repository_is_forktrue
octolytics-dimension-repository_parent_id156627365
octolytics-dimension-repository_parent_nwoitwanger/toBeBetterJavaer
octolytics-dimension-repository_network_root_id156627365
octolytics-dimension-repository_network_root_nwoitwanger/toBeBetterJavaer
turbo-body-classeslogged-out env-production page-responsive
disable-turbofalse
browser-stats-urlhttps://api.github.com/_private/browser/stats
browser-errors-urlhttps://api.github.com/_private/browser/errors
release309153364422b3c499922d1a2a6404910a58ed8e
ui-targetfull
theme-color#1e2327
color-schemelight dark

Links:

Skip to contenthttps://github.com/gl5/toBeBetterJavaer/blob/master/docs/interview/mysql-suoyin-15.md#start-of-content
https://github.com/
Sign in https://github.com/login?return_to=https%3A%2F%2Fgithub.com%2Fgl5%2FtoBeBetterJavaer%2Fblob%2Fmaster%2Fdocs%2Finterview%2Fmysql-suoyin-15.md
GitHub CopilotWrite better code with AIhttps://github.com/features/copilot
GitHub Copilot appDirect agents from issue to mergehttps://github.com/features/ai/github-app
MCP RegistryNewIntegrate external toolshttps://github.com/mcp
ActionsAutomate any workflowhttps://github.com/features/actions
CodespacesInstant dev environmentshttps://github.com/features/codespaces
IssuesPlan and track workhttps://github.com/features/issues
Code ReviewManage code changeshttps://github.com/features/code-review
Code QualityEnforce quality at mergehttps://github.com/features/code-quality
GitHub Advanced SecurityFind and fix vulnerabilitieshttps://github.com/security/advanced-security
Code securitySecure your code as you buildhttps://github.com/security/advanced-security/code-security
Secret protectionStop leaks before they starthttps://github.com/security/advanced-security/secret-protection
Why GitHubhttps://github.com/why-github
Documentationhttps://docs.github.com
Bloghttps://github.blog
Changeloghttps://github.blog/changelog
Marketplacehttps://github.com/marketplace
View all featureshttps://github.com/features
Enterpriseshttps://github.com/enterprise
Small and medium teamshttps://github.com/team
Startupshttps://github.com/enterprise/startups
Nonprofitshttps://github.com/solutions/industry/nonprofits
App Modernizationhttps://github.com/solutions/use-case/app-modernization
DevSecOpshttps://github.com/solutions/use-case/devsecops
DevOpshttps://github.com/solutions/use-case/devops
CI/CDhttps://github.com/solutions/use-case/ci-cd
View all use caseshttps://github.com/solutions/use-case
Healthcarehttps://github.com/solutions/industry/healthcare
Financial serviceshttps://github.com/solutions/industry/financial-services
Manufacturinghttps://github.com/solutions/industry/manufacturing
Governmenthttps://github.com/solutions/industry/government
View all industrieshttps://github.com/solutions/industry
View all solutionshttps://github.com/solutions
AIhttps://github.com/resources/articles?topic=ai
Software Developmenthttps://github.com/resources/articles?topic=software-development
DevOpshttps://github.com/resources/articles?topic=devops
Securityhttps://github.com/resources/articles?topic=security
View all topicshttps://github.com/resources/articles
Customer storieshttps://github.com/customer-stories
Events & webinarshttps://github.com/resources/events
Ebooks & reportshttps://github.com/resources/whitepapers
Business insightshttps://github.com/solutions/executive-insights
GitHub Skillshttps://skills.github.com
Documentationhttps://docs.github.com
Customer supporthttps://support.github.com
Community forumhttps://github.com/orgs/community/discussions
Trust centerhttps://github.com/trust-center
Partnershttps://github.com/partners
View all resourceshttps://github.com/resources
GitHub SponsorsFund open source developershttps://github.com/open-source/sponsors
Security Labhttps://securitylab.github.com
Maintainer Communityhttps://maintainers.github.com
Acceleratorhttps://github.com/open-source/accelerator
GitHub Starshttps://stars.github.com
Archive Programhttps://archiveprogram.github.com
Topicshttps://github.com/topics
Trendinghttps://github.com/trending
Collectionshttps://github.com/collections
Enterprise platformAI-powered developer platformhttps://github.com/enterprise
GitHub Advanced SecurityEnterprise-grade security featureshttps://github.com/security/advanced-security
Copilot for BusinessEnterprise-grade AI featureshttps://github.com/features/copilot/copilot-business
Premium SupportEnterprise-grade 24/7 supporthttps://github.com/enterprise/premium-support
Pricinghttps://github.com/pricing
Search syntax tipshttps://docs.github.com/search-github/github-code-search/understanding-github-code-search-syntax
documentationhttps://docs.github.com/search-github/github-code-search/understanding-github-code-search-syntax
Sign in https://github.com/login?return_to=https%3A%2F%2Fgithub.com%2Fgl5%2FtoBeBetterJavaer%2Fblob%2Fmaster%2Fdocs%2Finterview%2Fmysql-suoyin-15.md
Sign up https://github.com/signup?ref_cta=Sign+up&ref_loc=header+logged+out&ref_page=%2F%3Cuser-name%3E%2F%3Crepo-name%3E%2Fblob%2Fshow&source=header-repo&source_repo=gl5%2FtoBeBetterJavaer
Reloadhttps://github.com/gl5/toBeBetterJavaer/blob/master/docs/interview/mysql-suoyin-15.md
Reloadhttps://github.com/gl5/toBeBetterJavaer/blob/master/docs/interview/mysql-suoyin-15.md
Reloadhttps://github.com/gl5/toBeBetterJavaer/blob/master/docs/interview/mysql-suoyin-15.md
gl5 https://github.com/gl5
toBeBetterJavaerhttps://github.com/gl5/toBeBetterJavaer
itwanger/toBeBetterJavaerhttps://github.com/itwanger/toBeBetterJavaer
Notifications https://github.com/login?return_to=%2Fgl5%2FtoBeBetterJavaer
Fork 0 https://github.com/login?return_to=%2Fgl5%2FtoBeBetterJavaer
Star 0 https://github.com/login?return_to=%2Fgl5%2FtoBeBetterJavaer
Code https://github.com/gl5/toBeBetterJavaer
Pull requests 0 https://github.com/gl5/toBeBetterJavaer/pulls
Actions https://github.com/gl5/toBeBetterJavaer/actions
Projects https://github.com/gl5/toBeBetterJavaer/projects
Security and quality 0 https://github.com/gl5/toBeBetterJavaer/security
Insights https://github.com/gl5/toBeBetterJavaer/pulse
Code https://github.com/gl5/toBeBetterJavaer
Pull requests https://github.com/gl5/toBeBetterJavaer/pulls
Actions https://github.com/gl5/toBeBetterJavaer/actions
Projects https://github.com/gl5/toBeBetterJavaer/projects
Security and quality https://github.com/gl5/toBeBetterJavaer/security
Insights https://github.com/gl5/toBeBetterJavaer/pulse
https://github.com/gl5/toBeBetterJavaer
toBeBetterJavaerhttps://github.com/gl5/toBeBetterJavaer/tree/master
docshttps://github.com/gl5/toBeBetterJavaer/tree/master/docs
interviewhttps://github.com/gl5/toBeBetterJavaer/tree/master/docs/interview
Historyhttps://github.com/gl5/toBeBetterJavaer/commits/master/docs/interview/mysql-suoyin-15.md
https://github.com/gl5/toBeBetterJavaer/commits/master/docs/interview/mysql-suoyin-15.md
toBeBetterJavaerhttps://github.com/gl5/toBeBetterJavaer/tree/master
docshttps://github.com/gl5/toBeBetterJavaer/tree/master/docs
interviewhttps://github.com/gl5/toBeBetterJavaer/tree/master/docs/interview
Rawhttps://github.com/gl5/toBeBetterJavaer/raw/refs/heads/master/docs/interview/mysql-suoyin-15.md
https://github.com/gl5/toBeBetterJavaer/blob/master/docs/interview/mysql-suoyin-15.md#前言
https://camo.githubusercontent.com/55cefae5f60d20b8761dc9c5604de43d15a2cdbf939179ceeb34cc68126443bc/687474703a2f2f63646e2e746f62656265747465726a61766165722e636f6d2f746f62656265747465726a61766165722f696d616765732f6e6963652d61727469636c652f77656978696e2d6d7973716c73796c776b7a2d35363134313762352d643534322d343439342d393438332d3631323461303333316132662e6a7067
https://github.com/gl5/toBeBetterJavaer/blob/master/docs/interview/mysql-suoyin-15.md#1-索引是什么
https://camo.githubusercontent.com/a366749920aae0c1ed6a53be1479bc999b7f72d2e306f66a05e0ff8bfeeab6aa/687474703a2f2f63646e2e746f62656265747465726a61766165722e636f6d2f746f62656265747465726a61766165722f696d616765732f6e6963652d61727469636c652f77656978696e2d6d7973716c73796c776b7a2d36303137376235392d383739642d346565392d393432352d6531336537396131656163322e6a7067
https://github.com/gl5/toBeBetterJavaer/blob/master/docs/interview/mysql-suoyin-15.md#2-mysql索引有哪些类型
https://camo.githubusercontent.com/714aff52d054b82f86d7511a809097221d31234b8dbd2c51f4619d3266eca2d3/687474703a2f2f63646e2e746f62656265747465726a61766165722e636f6d2f746f62656265747465726a61766165722f696d616765732f6e6963652d61727469636c652f77656978696e2d6d7973716c73796c776b7a2d37626534323463612d393034332d346366342d626434652d3038346432613261643161612e6a7067
https://github.com/gl5/toBeBetterJavaer/blob/master/docs/interview/mysql-suoyin-15.md#3-索引什么时候会失效
https://github.com/gl5/toBeBetterJavaer/blob/master/docs/interview/mysql-suoyin-15.md#4-哪些场景不适合建立索引
https://github.com/gl5/toBeBetterJavaer/blob/master/docs/interview/mysql-suoyin-15.md#5-为什么要用-b树为什么不用二叉树
https://github.com/gl5/toBeBetterJavaer/blob/master/docs/interview/mysql-suoyin-15.md#6-一次b树索引树查找过程
https://camo.githubusercontent.com/bc72e57f04c5ed9f1e1cb1f65891503e0120e4d51e2c199408cf98cb27bf6013/687474703a2f2f63646e2e746f62656265747465726a61766165722e636f6d2f746f62656265747465726a61766165722f696d616765732f6e6963652d61727469636c652f77656978696e2d6d7973716c73796c776b7a2d62616361303263342d316564362d343231662d396164342d6533653633646435386566612e6a7067
https://camo.githubusercontent.com/be73c64f2a55751a7ef76a6c78cd1b2051ca63e992ddfd2a81e12218055538ce/687474703a2f2f63646e2e746f62656265747465726a61766165722e636f6d2f746f62656265747465726a61766165722f696d616765732f6e6963652d61727469636c652f77656978696e2d6d7973716c73796c776b7a2d38626637353266352d373732622d343330382d623531632d6430363430363432383836362e6a7067
https://github.com/gl5/toBeBetterJavaer/blob/master/docs/interview/mysql-suoyin-15.md#7-什么是回表如何减少回表
https://github.com/gl5/toBeBetterJavaer/blob/master/docs/interview/mysql-suoyin-15.md#8-什么是覆盖索引
https://github.com/gl5/toBeBetterJavaer/blob/master/docs/interview/mysql-suoyin-15.md#9-聊聊索引的最左前缀原则
https://camo.githubusercontent.com/16c2af12f41cef52916ac6482aedbd8f483e497d8b7d9e4e851eefb6c3d9510c/687474703a2f2f63646e2e746f62656265747465726a61766165722e636f6d2f746f62656265747465726a61766165722f696d616765732f6e6963652d61727469636c652f77656978696e2d6d7973716c73796c776b7a2d36356333663935342d646637302d343339622d623065312d3130303930303764363536302e6a7067
https://camo.githubusercontent.com/82df79c9c39ba304bc1baa7cd736073c0677d2307510deee7b9981bd851ab4f1/687474703a2f2f63646e2e746f62656265747465726a61766165722e636f6d2f746f62656265747465726a61766165722f696d616765732f6e6963652d61727469636c652f77656978696e2d6d7973716c73796c776b7a2d33633735316438302d303264662d343363662d616363372d6161666462343039383131622e6a7067
https://github.com/gl5/toBeBetterJavaer/blob/master/docs/interview/mysql-suoyin-15.md#10-索引下推了解过吗什么是索引下推
https://camo.githubusercontent.com/46bcca6de0966f7c2f577190babc1a7c4d86b28ad5c98f6f99ee9656837ffa18/687474703a2f2f63646e2e746f62656265747465726a61766165722e636f6d2f746f62656265747465726a61766165722f696d616765732f6e6963652d61727469636c652f77656978696e2d6d7973716c73796c776b7a2d62356363646430652d663239392d343961632d393137362d3865326334373566363036662e6a7067
https://camo.githubusercontent.com/19bbc6db7d35e8c2adf50e8a58ac61944a8bb07deba80161c9aad42951993b7b/687474703a2f2f63646e2e746f62656265747465726a61766165722e636f6d2f746f62656265747465726a61766165722f696d616765732f6e6963652d61727469636c652f77656978696e2d6d7973716c73796c776b7a2d34623337643435632d623561322d346666372d383132352d6363643165383965656434322e6a7067
https://github.com/gl5/toBeBetterJavaer/blob/master/docs/interview/mysql-suoyin-15.md#11-大表如何添加索引
https://github.com/gl5/toBeBetterJavaer/blob/master/docs/interview/mysql-suoyin-15.md#12-如何知道语句是否走索引查询
https://camo.githubusercontent.com/5f63cdea73c6c371d7bd2a65ec2c581c301a978c317e78793e63718d4eaf9b50/687474703a2f2f63646e2e746f62656265747465726a61766165722e636f6d2f746f62656265747465726a61766165722f696d616765732f6e6963652d61727469636c652f77656978696e2d6d7973716c73796c776b7a2d31613239343937352d633964642d343037372d393566632d3261393732393131613361622e6a7067
https://github.com/gl5/toBeBetterJavaer/blob/master/docs/interview/mysql-suoyin-15.md#121-type
https://github.com/gl5/toBeBetterJavaer/blob/master/docs/interview/mysql-suoyin-15.md#122-rows
https://github.com/gl5/toBeBetterJavaer/blob/master/docs/interview/mysql-suoyin-15.md#123-filtered
https://github.com/gl5/toBeBetterJavaer/blob/master/docs/interview/mysql-suoyin-15.md#124-extra
https://github.com/gl5/toBeBetterJavaer/blob/master/docs/interview/mysql-suoyin-15.md#125-key
https://github.com/gl5/toBeBetterJavaer/blob/master/docs/interview/mysql-suoyin-15.md#13hash-索引和-b树区别是什么你在设计索引是怎么抉择的
https://github.com/gl5/toBeBetterJavaer/blob/master/docs/interview/mysql-suoyin-15.md#14-索引有哪些优缺点
https://github.com/gl5/toBeBetterJavaer/blob/master/docs/interview/mysql-suoyin-15.md#15-聚簇索引与非聚簇索引的区别
https://mp.weixin.qq.com/s?__biz=Mzg3NzU5NTIwNg==&mid=2247503690&idx=1&sn=73655f41a98f21217468115888aeeceb&chksm=cf221063f855997590d48e605ac3cadbad14f4e91b71acf471a520a9ed9be2a9f2e2c5b64450#rdhttps://mp.weixin.qq.com/s?__biz=Mzg3NzU5NTIwNg==&mid=2247503690&idx=1&sn=73655f41a98f21217468115888aeeceb&chksm=cf221063f855997590d48e605ac3cadbad14f4e91b71acf471a520a9ed9be2a9f2e2c5b64450#rd
https://github.com
Termshttps://docs.github.com/site-policy/github-terms/github-terms-of-service
Privacyhttps://docs.github.com/site-policy/privacy-policies/github-privacy-statement
Securityhttps://github.com/security
Statushttps://www.githubstatus.com/
Communityhttps://github.community/
Docshttps://docs.github.com/
Contacthttps://support.github.com?tags=dotcom-footer

Viewport: width=device-width

URLs of crawlers that visited me.