Composite Key in mysql

Описание: If you have any problem and any Query, then comment uder the video I will try to, provide best solution as soon As possible
In this video, I discussed that Important query of MYSQL Database, this videos complete in Hindi
1-How can optimize the query
2-How can change the query according to requirement
3-This query in already asked in interviews
4-Faru Interviews Question having a lot lot of interviews question related with php and mysql database.
5-Faru Interviews Question 2017 | Interviews crack 1 Review | Video ranking SEO

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