SQL Interview Questions And Answers | Top 20 SQL Interview Questions And Answers



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We are going to learn and discussed SQL interview questions and answers. Also, we are going to discuss mostly asked SQL queries and the top 20 SQL interview questions.

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Angular Interview questions and answers
00:00 Overview
00:52 What is SQL?
02:07 What are the different types of SQL commands or subsets of SQL?
05:54 What is the difference between a Primary key, Unique Key & Foreign Key?
07:06 What is a Join and Types of Joins?
09:33 What is an Index? What it's different types
10:51 What is the difference between clustered and non-clustered indexes in SQL
12:04 What is the difference between DELETE & TRUNCATE commands?
13:29 Explain the difference between Functions and Stored Procedures?
14:56 What is View?
16:18 What Is a Subquery? What are its types?
17:28 What is a Recursive Stored Procedure?
17:57 What is SQL Profiler?
18:20 What are the different types of default databases?
19:12 How would you improve a performance of an SQL Query?
21:40 What are Aggregate and Scalar functions?
23:21 What is the difference between a local and a global variable?
23:43 How do you load large data to the SQL server database?
24:01 What is a Scheduled Jobs or What are Scheduled Tasks?
24:20 What command do we use to rename a DB?
24:28 What is Raiseerror?
24:45 How to know which index a table is using?
25:08 Write an SQL query to fetch the number of employees working in department ‘Dev’.?
25:29 Write an SQL query for fetching duplicate records from a table?
26:04 Write an SQL query for creating an empty table with the same structure as some other table.?

Topics:
MySQL interview questions and answers
SQL interview questions and answers for experienced
SQL interview questions and answers
MySQL interview questions and answers
SQL interview questions
SQL interview questions and answers for experienced
SQL joins

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