Every day, out in the SQL Server forums, the same questions come up again and again: why is this query running slow? Why isn't my index getting used? In order to arrive at the answer you have to ask the same return question in each case: have you looked at the execution plan? Grant Fritchey provides the only dedicated and detailed book on this essential topic.
SQL Server Hardware will provide the fundamental knowledge and resources you need to make intelligent decisions about choice, and optimal installation and configuration, of SQL Server hardware, operating system and the SQL Server RDBMS.
Whether practicing for an exam or interview, or just wanting to see who's got the biggest SQL Server brain in your office, this book is perfect. Containing 100 SQL Server Central Questions of the Day, this book is a great way to test yourself and increase your knowledge.
When information is exchanged in XML format, there needs to be an agreement between the sender and receiver about the structure and content of the XML document. An XSD (XML Schema Definition Language) Schema can be used to enforce this contract and validate the XML data being exchanged. Jacob Sebastian's book explains all.
Getting 'up to speed' with StreamInsight is easier if you take the time to run it and test it out. Roger Jennings expains how to be up and running in nine simple steps, once you've sorted out the prerequisites
Learn how to search for a value throughout all database tables.
If you are the type of person that doesn't run DBCC checks, Steve Jones thinks you're a gambler. And you might think about attending SQL Intersection next month in Vegas.
Often, an existing database application must evolve rapidly by incremental steps. Alex describes a tried and tested system to provide an automated approach to deploying both new and existing database systems, whilst dealing with common security and configuration issues.
When a query suddenly starts taking much longer, what do you do? This story from Jerry
Steve Jones asks the question why so much data in SQL Server is cleared when we restart an instance.
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Comments posted to this topic are about the item OUTER APPLY Fundamentals: Part 2
I have this data in the OrderHeader table in a SQL Server 2025 database (ordered by CustomerID ASC):
orderid orderdate customerid complete 3 2025-05-10 00:00:00.0002 1 21 2024-01-10 00:00:00.0003 1 15 2023-10-28 00:00:00.0004 1 13 2025-03-08 00:00:00.0006 1 11 2024-04-02 00:00:00.0007 1If I run this query, how many rows are returned?
SELECT * from dbo.OrderHeader where customerid between 3 and '6'See possible answers