Entero Healthcare Solutions SQL Server Developer Interview Questions and Answers

Window Functions like Row Number, Min, Max

Q1. Concept of Join in SQL Query
Ans. 
Join is used to combine rows from two or more tables based on a related column between them.
• Join is used to retrieve data from multiple tables in a single query.

• Types of joins include Inner Join, Left Join, Right Join, and Full Outer Join.

• Join conditions are specified using the ON keyword.

• Example: SELECT * FROM table1 INNER JOIN table2 ON table1.column = table2.column;

• Joins can also be nested to combine more than two t
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