The theme for this time is SQL "execution plans."Execution plans are one of the technologies you absolutely must understand when considering database performance.However, this content might also be a ...

When you execute an SQL query, the results do not return quickly.You may have had no issues during development, but the ...

With JSON now the default format for moving data between clients and servers, SQL Server adds JSON support to make it easier to get your data out of the database and down to the client. SQL Server ...

As you will see in this chapter, companies use SQL Server for many types of applications and on most tiers now. Gone are the days when you would second guess yourself choosing to use SQL Server over a ...

This fifth edition of a well-known title has been updated for Oracle 12c. As with previous editions, the book is very hands-on; you’re introduced to a concept, shown an example, then asked to work ...

Let's break down when it's ideal to use the NOLOCK hint and when you should never use it. As a consultant, I work on wide swaths of database systems, which means I get to see many, many SQL statements ...

A method for describing a database query originally developed by IBM for mainframes. A replica of an empty record is displayed and the search conditions are typed in under their respective columns ...