ORDER BY Tag Archives

1

Rank Data with SQL

In this puzzle, we’re going to work through a problem to identify the top and bottom 25 percent to rank student scores. Solving puzzles is a great way to learn SQL.  Nothing beats practicing what you’ve learned. SQL Puzzle Question In today’s puzzle assume you’ve been asked by the head of the Mathematics department to […]

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8

SQL CASE Statement – Simple and Searched Forms

Kings Chapel College

The main purpose of a SQL CASE expression returns a value based on one or more conditional tests.  Use CASE expressions anywhere in a SQL statement an expression is allowed. Though a truly an expression, some people refer to them as “CASE statements.”  This most likely stems from their use in programming languages. The SQL […]

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4

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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2

What is the Difference between ORDER and GROUP BY?

Differences in Order By versus Group By

The GROUP and ORDER BY clauses are both used to organize data.  Learn which is used to sort the data, and which is used for counting and summing. 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 […]

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11

Use SQL Server to Sort Alphanumeric Values

Sort Alphanumeric Values with SQL Server Recently a reader asked me how to sort an alpha numeric field in SQL in natural order.  Alphanumeric values are commonly found and don’t sort naturally using numeric methods. When we have a numeric fields we expect values to be sorted in ordinal order, for example: 1,2,5,7,10,11,15,20,21 However when […]

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9

Getting Started With SQL Server: 2. Sort Your Query Results

In this lesson you are going to explore how to sort your query results by using SQL’s ORDER BY statement.  Using this phrase allows us to sort our result in ascending or descending order.  In addition you can limit your query to a specified number of results. The lesson’s objectives are to: learn how to sort on […]

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