March 2003
Beginner
672 pages
14h
English
book
Database Design for Mere Mortals™: A Hands-On Guide to Relational Database Design, Second Edition
by Michael J. Hernandez
Content preview from Database Design for Mere Mortals™: A Hands-On Guide to Relational Database Design, Second Edition
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Review Questions
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Why can you refer to a view as a virtual table? |
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State two reasons why views are valuable. |
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Name the types of views you can define as you design the logical structure of the database. |
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What does your RDMBS do each time you access a data view (or any type of view, for that matter)? |
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What determines the type of modifications you can make to a view's data? |
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What is the only requirement you must fulfill in order to define a multitable data view? |
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Why doesn't a data view contain its own primary key? |
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What is the purpose of an aggregate view? |
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What are the most common aggregate functions that you can apply to a set of data? |
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What is a grouping field? |
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True ... |
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.