Скачать или смотреть SQL | Retrieve employee's manager in SQL using Left Join (SQL Interview Preparation)

This video discusses about most commonly asked interview question - retrieving employees's manager from employees table. #SQLQuery#LeftJoin#InterviewQuestions#InterviewPreparation

What is left join?
The LEFT JOIN keyword returns all records from the left table and the matched records from the right table.

#sqlJoins#sqlinterviewquestions#sql
This video is suitable for all types of SQL jobs and roles, including:
SQL Server Developer;
Software Engineer;
Business Systems Analyst;
Senior Software Engineer;
Senior SQL Database Administrator.
Web Developer;
Systems Administrator;
SQL Server Developer.
Basic Interview Questions on SQL:
-What is the difference between #SQL and #MySQL?
-What are the different subsets of SQL?
-What do you mean by table and field in SQL?
-What are joins in SQL?
-What is the #Primary key?
-What are #Constraints?