January 2008
Intermediate to advanced
384 pages
8h 1m
English
Content preview from Joe Celko's Thinking in Sets: Auxiliary, Temporal, and Virtual Tables in SQLBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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6.9. Outdated Uses for VIEWs
Over the years, VIEWs have been used for other purposes that made sense at the time, but have been rendered obsolete with the advent of new DBMS functionality. You no longer need to program this way, but you might run into it in some old schémas. Each SQL product’s programmers tended to use some of these tricks more than other products, so finding them is more of a local dialect problem than an exact science.
Two of these VIEW usages are to simulate domain support and to implement queries that access both summary and detail information in a single row. Let me elaborate on both and tell you why these usages are outdated.
6.9.1. Domain Support
It is a sad fact of life that most relational database management systems ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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