December 2014
Intermediate to advanced
852 pages
17h 57m
English
Content preview from Joe Celko's SQL for Smarties, 5th Edition
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Chapter 1
Databases Versus File Systems
Abstract
A comparison of relational databases versus traditional file systems is discussed. Rows are not records; columns are not fields, and tables are not files.
Keywords
Database
File system
US standard railroad gauge
COBOL
FORTRAN
C
BASIC
PL/I
Java
Procedural programming language
OO programming language
E-R diagrams
Peter Chen
Data Declaration Language (DDL)
Data Control Language (DCL)
It ain’t so much the things we don’t know that get us in trouble. It’s the things we know that ain’t so.
—Artemus Ward (William Graham Sumner), American Writer and Humorist, 1834-1867
Perfecting oneself is as much unlearning as it is learning
—Edsgar Dijkstra
If you already have a background in data processing ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
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.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
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.