René's URL Explorer Experiment


Title: Java-Interview/MySQL/MySQL索引连环18问!.md at main · BlueLucky/Java-Interview · GitHub

Open Graph Title: Java-Interview/MySQL/MySQL索引连环18问!.md at main · BlueLucky/Java-Interview

X Title: Java-Interview/MySQL/MySQL索引连环18问!.md at main · BlueLucky/Java-Interview

Description: 「Java面试小抄」一份通向理想互联网公司的面试汇总,包括 Java基础、Java并发、JVM、MySQL、Redis、Spring、MyBatis、Kafka、计算机操作系统、计算机网络、系统设计、分布式、Java 项目实战等 - Java-Interview/MySQL/MySQL索引连环18问!.md at main · BlueLucky/Java-Interview

Open Graph Description: 「Java面试小抄」一份通向理想互联网公司的面试汇总,包括 Java基础、Java并发、JVM、MySQL、Redis、Spring、MyBatis、Kafka、计算机操作系统、计算机网络、系统设计、分布式、Java 项目实战等 - BlueLucky/Java-Interview

X Description: 「Java面试小抄」一份通向理想互联网公司的面试汇总,包括 Java基础、Java并发、JVM、MySQL、Redis、Spring、MyBatis、Kafka、计算机操作系统、计算机网络、系统设计、分布式、Java 项目实战等 - BlueLucky/Java-Interview

Opengraph URL: https://github.com/BlueLucky/Java-Interview/blob/main/MySQL/MySQL索引连环18问!.md

X: @github

direct link

Domain: github.com

route-pattern/:user_id/:repository/blob/*name(/*path)
route-controllerblob
route-actionshow
fetch-noncev2:d5b638fc-82bc-27a0-6f01-20317428468b
current-catalog-service-hashf3abb0cc802f3d7b95fc8762b94bdcb13bf39634c40c357301c4aa1d67a256fb
request-idA678:301411:261E36D:339863E:6A657C88
html-safe-nonce1b7d01431bc48da9871009d06938cfa4d31802975bbfc9ca0a60315872229dec
visitor-payloadeyJyZWZlcnJlciI6IiIsInJlcXVlc3RfaWQiOiJBNjc4OjMwMTQxMToyNjFFMzZEOjMzOTg2M0U6NkE2NTdDODgiLCJ2aXNpdG9yX2lkIjoiNDQ1NTI3MzA4NjYzNzY2OTUxMiIsInJlZ2lvbl9lZGdlIjoiaWFkIiwicmVnaW9uX3JlbmRlciI6ImlhZCJ9
visitor-hmac70f164bd73dac1d680a5f6b56cdb9bec57a6972a9ddb18645e4e97d0b2d5e2f1
hovercard-subject-tagrepository:599466552
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/BlueLucky/Java-Interview/blob/main/MySQL/MySQL索引连环18问!.md
twitter:imagehttps://opengraph.githubassets.com/e1d7234e6e7f6bc766a31bd27f633118fb6cca56b5b15a6ee18d04064ebecb76/BlueLucky/Java-Interview
twitter:cardsummary_large_image
og:imagehttps://opengraph.githubassets.com/e1d7234e6e7f6bc766a31bd27f633118fb6cca56b5b15a6ee18d04064ebecb76/BlueLucky/Java-Interview
og:image:alt「Java面试小抄」一份通向理想互联网公司的面试汇总,包括 Java基础、Java并发、JVM、MySQL、Redis、Spring、MyBatis、Kafka、计算机操作系统、计算机网络、系统设计、分布式、Java 项目实战等 - BlueLucky/Java-Interview
og:image:width1200
og:image:height600
og:site_nameGitHub
og:typeobject
hostnamegithub.com
expected-hostnamegithub.com
None52c76df668885aaff23b50bdca1fa1ea44ac9c1553e888ebc70ff1e4daa4625b
turbo-cache-controlno-cache
go-importgithub.com/BlueLucky/Java-Interview git https://github.com/BlueLucky/Java-Interview.git
octolytics-dimension-user_id8955184
octolytics-dimension-user_loginBlueLucky
octolytics-dimension-repository_id599466552
octolytics-dimension-repository_nwoBlueLucky/Java-Interview
octolytics-dimension-repository_publictrue
octolytics-dimension-repository_is_forktrue
octolytics-dimension-repository_parent_id340292699
octolytics-dimension-repository_parent_nwocosen1024/Java-Interview
octolytics-dimension-repository_network_root_id340292699
octolytics-dimension-repository_network_root_nwocosen1024/Java-Interview
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/BlueLucky/Java-Interview/blob/main/MySQL/MySQL索引连环18问!.md#start-of-content
https://github.com/
Sign in https://github.com/login?return_to=https%3A%2F%2Fgithub.com%2FBlueLucky%2FJava-Interview%2Fblob%2Fmain%2FMySQL%2FMySQL%25E7%25B4%25A2%25E5%25BC%2595%25E8%25BF%259E%25E7%258E%25AF18%25E9%2597%25AE%25EF%25BC%2581.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%2FBlueLucky%2FJava-Interview%2Fblob%2Fmain%2FMySQL%2FMySQL%25E7%25B4%25A2%25E5%25BC%2595%25E8%25BF%259E%25E7%258E%25AF18%25E9%2597%25AE%25EF%25BC%2581.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=BlueLucky%2FJava-Interview
Reloadhttps://github.com/BlueLucky/Java-Interview/blob/main/MySQL/MySQL索引连环18问!.md
Reloadhttps://github.com/BlueLucky/Java-Interview/blob/main/MySQL/MySQL索引连环18问!.md
Reloadhttps://github.com/BlueLucky/Java-Interview/blob/main/MySQL/MySQL索引连环18问!.md
BlueLucky https://github.com/BlueLucky
Java-Interviewhttps://github.com/BlueLucky/Java-Interview
cosen1024/Java-Interviewhttps://github.com/cosen1024/Java-Interview
Notifications https://github.com/login?return_to=%2FBlueLucky%2FJava-Interview
Fork 0 https://github.com/login?return_to=%2FBlueLucky%2FJava-Interview
Star 0 https://github.com/login?return_to=%2FBlueLucky%2FJava-Interview
Code https://github.com/BlueLucky/Java-Interview
Pull requests 0 https://github.com/BlueLucky/Java-Interview/pulls
Actions https://github.com/BlueLucky/Java-Interview/actions
Projects https://github.com/BlueLucky/Java-Interview/projects
Security and quality 0 https://github.com/BlueLucky/Java-Interview/security
Insights https://github.com/BlueLucky/Java-Interview/pulse
Code https://github.com/BlueLucky/Java-Interview
Pull requests https://github.com/BlueLucky/Java-Interview/pulls
Actions https://github.com/BlueLucky/Java-Interview/actions
Projects https://github.com/BlueLucky/Java-Interview/projects
Security and quality https://github.com/BlueLucky/Java-Interview/security
Insights https://github.com/BlueLucky/Java-Interview/pulse
https://github.com/BlueLucky/Java-Interview
Java-Interviewhttps://github.com/BlueLucky/Java-Interview/tree/main
MySQLhttps://github.com/BlueLucky/Java-Interview/tree/main/MySQL
Historyhttps://github.com/BlueLucky/Java-Interview/commits/main/MySQL/MySQL%E7%B4%A2%E5%BC%95%E8%BF%9E%E7%8E%AF18%E9%97%AE%EF%BC%81.md
https://github.com/BlueLucky/Java-Interview/commits/main/MySQL/MySQL%E7%B4%A2%E5%BC%95%E8%BF%9E%E7%8E%AF18%E9%97%AE%EF%BC%81.md
Java-Interviewhttps://github.com/BlueLucky/Java-Interview/tree/main
MySQLhttps://github.com/BlueLucky/Java-Interview/tree/main/MySQL
Rawhttps://github.com/BlueLucky/Java-Interview/raw/refs/heads/main/MySQL/MySQL%E7%B4%A2%E5%BC%95%E8%BF%9E%E7%8E%AF18%E9%97%AE%EF%BC%81.md
https://github.com/BlueLucky/Java-Interview/blob/main/MySQL/MySQL索引连环18问!.md#1-索引是什么
https://github.com/BlueLucky/Java-Interview/blob/main/MySQL/MySQL索引连环18问!.md#2-索引有哪些优缺点
https://github.com/BlueLucky/Java-Interview/blob/main/MySQL/MySQL索引连环18问!.md#3-mysql有哪几种索引类型
https://github.com/BlueLucky/Java-Interview/blob/main/MySQL/MySQL索引连环18问!.md#4-说一说索引的底层实现
https://www.javazhiyin.com/40232.htmlhttps://www.javazhiyin.com/40232.html
https://camo.githubusercontent.com/15384d72ae5a6624ae8bf722a02d8a72dabfefe9a1193323177524cb8b4dd2ff/687474703a2f2f626c6f672d696d672e636f6f6c73656e2e636e2f696d672f696d6167652d32303231303431313231353031323434332e706e67
https://camo.githubusercontent.com/976ad840153b7ea884f32e9aefa15ecd7eab88ed28ff2d815f808d05a4e93f9d/687474703a2f2f626c6f672d696d672e636f6f6c73656e2e636e2f696d672f696d6167652d32303231303431313231353032333832302e706e67
https://camo.githubusercontent.com/02699cfbf2c5517b47d7db312a2d25d727c645cba6b1d313ccabe22ea8f4cc88/687474703a2f2f626c6f672d696d672e636f6f6c73656e2e636e2f696d672f696d6167652d32303231303431313231353034343333322e706e67
https://github.com/BlueLucky/Java-Interview/blob/main/MySQL/MySQL索引连环18问!.md#5-为什么索引结构默认使用btree而不是b-treehash二叉树红黑树
排序https://github.com/BlueLucky/Java-Interview/blob/main/MySQL
https://github.com/BlueLucky/Java-Interview/blob/main/MySQL/MySQL索引连环18问!.md#6-讲一讲聚簇索引与非聚簇索引
https://github.com/BlueLucky/Java-Interview/blob/main/MySQL/MySQL索引连环18问!.md#7-非聚簇索引一定会回表查询吗
https://github.com/BlueLucky/Java-Interview/blob/main/MySQL/MySQL索引连环18问!.md#8-联合索引是什么为什么需要注意联合索引中的顺序
https://github.com/BlueLucky/Java-Interview/blob/main/MySQL/MySQL索引连环18问!.md#9-讲一讲mysql的最左前缀原则
https://github.com/BlueLucky/Java-Interview/blob/main/MySQL/MySQL索引连环18问!.md#10-讲一讲前缀索引
https://github.com/BlueLucky/Java-Interview/blob/main/MySQL/MySQL索引连环18问!.md#11-了解索引下推吗
https://github.com/BlueLucky/Java-Interview/blob/main/MySQL/MySQL索引连环18问!.md#12-怎么查看mysql语句有没有用到索引
https://github.com/BlueLucky/Java-Interview/blob/main/MySQL/MySQL索引连环18问!.md#13-为什么官方建议使用自增长主键作为索引
https://www.javazhiyin.com/40232.htmlhttps://www.javazhiyin.com/40232.html
https://camo.githubusercontent.com/63ad5953e926ea858551783eb8dc7b711f3772bcbc4eac57b75fc14d716f34b1/687474703a2f2f626c6f672d696d672e636f6f6c73656e2e636e2f696d672f6a61766131302d313536323732363235312e676966
https://camo.githubusercontent.com/b463bb2f2b1671e7e1da477aa2f6fd51b7dc59604095925933748e6a1412ac90/687474703a2f2f626c6f672d696d672e636f6f6c73656e2e636e2f696d672f6a617661382d313536323732363235312e676966
https://github.com/BlueLucky/Java-Interview/blob/main/MySQL/MySQL索引连环18问!.md#14-如何创建索引
https://github.com/BlueLucky/Java-Interview/blob/main/MySQL/MySQL索引连环18问!.md#15-创建索引时需要注意什么
https://github.com/BlueLucky/Java-Interview/blob/main/MySQL/MySQL索引连环18问!.md#16-建索引的原则有哪些
https://github.com/BlueLucky/Java-Interview/blob/main/MySQL/MySQL索引连环18问!.md#17-使用索引查询一定能提高查询的性能吗
https://github.com/BlueLucky/Java-Interview/blob/main/MySQL/MySQL索引连环18问!.md#18-什么情况下不走索引索引失效
https://github.com/BlueLucky/Java-Interview/blob/main/MySQL/MySQL索引连环18问!.md#1使用-或者--导致索引失效
https://github.com/BlueLucky/Java-Interview/blob/main/MySQL/MySQL索引连环18问!.md#2类型不一致导致的索引失效
https://github.com/BlueLucky/Java-Interview/blob/main/MySQL/MySQL索引连环18问!.md#3函数导致的索引失效
https://github.com/BlueLucky/Java-Interview/blob/main/MySQL/MySQL索引连环18问!.md#4运算符导致的索引失效
https://github.com/BlueLucky/Java-Interview/blob/main/MySQL/MySQL索引连环18问!.md#5or引起的索引失效
https://github.com/BlueLucky/Java-Interview/blob/main/MySQL/MySQL索引连环18问!.md#6模糊搜索导致的索引失效
https://github.com/BlueLucky/Java-Interview/blob/main/MySQL/MySQL索引连环18问!.md#7not-innot-exists导致索引失效
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.