SQL Server Tutorial for Beginners
The objective of this SQL Server tutorial is to teach you how to use the IN operator which is an elegant alternative to the OR operator.
The SQL Server IN operator is a logical operator which does away with the need to use OR multiple times in a query by allowing us to specify multiple values for evaluation at the same time.… Read More »
The objective of this tutorial is to teach you how to use the OR operator to evaluate multiple conditions in a query.
The OR operator is used when you have to evaluate multiple conditions but all the conditions need not evaluate to TRUE for the consequent action.… Read More »
The objective of this tutorial is to teach you how to use the SQL Server AND operator to evaluate multiple conditions in a SQL query.
The AND operator evaluates all the conditions specified in a query and executes the query only when all the conditions are satisfied.… Read More »
The objective of this tutorial is to teach you how to use the TOP clause in a SQL Server SELECT or UPDATE query.
The TOP clause takes the number of rows or a percentage of the query output as an argument.… Read More »
The objective of this tutorial is to teach you how to use the DISTINCT clause in SQL Sarver SELECT query. It removes duplicates and returns only different or unique values from a column in the output.
The SQL Server SELECT DISTINCT clause is used to remove duplicate records from the resultset.… Read More »
The objective of this tutorial is to teach you how to extract data using the GROUP BY clause from a table.
A table in a database has columns of information in it. Each column in a table represents an attribute which has values and sometimes the same value.… Read More »
SQLServerTutorial.org provides free tutorials and guide on SQL Server for Developers, Database Administrators, and Solution Architects who want to get started SQL Server quickly.