DISTINCT Tag Archives

Learn How to Combine Data with a CROSS JOIN

Cross Join Meme

A cross join is used when you wish to create combination of every row from two tables.  All row combinations are included in the result; this is commonly called cross product join.  A common use for a cross join is to create obtain all combinations of items, such as colors and sizes. Note:  The series […]

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SQL DISTINCT and TOP in Same Query

Distinct pattern of terminals

This article is inspired by a series of questions that one of my readers, Nan, recently sent me regarding DISTINCT, TOP, and ORDER BY. All the examples for this lesson are based on Microsoft SQL Server Management Studio and the AdventureWorks2012 database.  You can get started using these free tools using my Guide Getting Started Using […]

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Getting Started with SQL Server: 1. Simple SELECT Queries

In this series of lessons you’re going to learn how to query Microsoft SQL Server using the SQL SELECT statement.  Once you have read this lesson you’ll be able to: Identify all the tables in a SQL Server Database Using SSMS (SQL Server Management Studio). Understand how to list a table’s columns. Use the SQL SELECT statement to view […]

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