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Technical Article

Returning Sorted Record Sets Using the ORDER BY Clause

Having your data returned to you in some meaningful sorted order is important sometimes. If you don’t tell SQL Server you want to order the results of a SELECT statement then there is no guarantee that your result set will come back in a particular order. To make sure a result set is ordered you need to use the ORDER BY clause. In this article I will be exploring how to return an order result set by using the ORDER BY clause.

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2015-01-16

10,316 reads

Technical Article

Importance of Statistics and How It Works in SQL Server – Part 1

SQL Server Query Optimizer uses statistical information to estimate the cardinality in a query result. This enables the SQL Server Query Optimizer to create a high-quality query execution plan. Read on to learn how to use statistics and why it’s needed.

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2015-01-07

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Question of the Day

RegEx Functions IV

I have this data in a table in a SQL Server 2025 database:

EmailAddressID EmailAddress
7              dylan0@ADVENTURE-WORKS.COM
8              Diane1@ADVENTURE-WORKS.COM
If I run this query, which row(s) are returned?
SELECT top 10
 *
 FROM person.EmailAddress
 WHERE REGEXP_LIKE(EmailAddress, '^D', 'i')
 AND BusinessEntityID IN (7,8)

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