PostgreSQL window functions take center stage as this lesson breaks down lag, lead, and ntile with a clear, practical example. Using character names, species, and estimated net worth, the tutorial ...

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 ...

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 ...

Parameterized SQL queries can make PowerShell tools more secure and reliable while preserving smart quotes, emojis and other complex input.

This is the sixth edition of a well established title that has been updated for the latest version of PL/SQL (21c). The book opens with a checklist of the new features in Oracle 21c before the actual ...