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Understanding SQL PARTITION BY through practical ranking examples

PostgreSQL window functions make it possible to rank records, calculate running totals, and analyze data without combining ...

For those who can write SQL but don't understand PL/SQL: An explanation from basic syntax to practical pitfalls

An explanation from basic syntax to practical pitfallsYou can use SQL to search for data and retrieve records by specifying ...
Alex The Analyst on MSN

PostgreSQL case statements explained with simple examples

PostgreSQL CASE statements make it possible to add conditional logic directly into SQL queries, working similarly to IF ELSE statements in programming languages and spreadsheet tools. This tutorial us ...
Network World

Chapter 3: Examples of SQL Server Implementations

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 ...
techtarget

How to use SQL Developer to run SQL statements

Chapter 2, How to use Oracle SQL Developer and other tools This chapter from Murach's Oracle SQL and PL/SQL explains how to work with Oracle SQL Developer and other tools. In this section, learn how ...