SQL Server WHERE Clause and Filtering: Comparison Operators
Quick Answer
In SQL Server, the WHERE clause filters rows returned by a query using comparison operators such as =, <>, >, <, >=, and <=. These operators compare column values against specified criteria, allowing precise data retrieval based on conditions.
Learning Objectives
- Understand the purpose and syntax of the WHERE clause in SQL Server.
- Learn how to use comparison operators to filter query results.
- Apply comparison operators in practical SQL queries to retrieve specific data.
Introduction
Filtering data is a fundamental task in SQL Server to retrieve only the rows that meet specific criteria.
The WHERE clause combined with comparison operators allows you to specify these criteria clearly and efficiently.
Filtering data effectively is key to efficient database querying.





