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A comparison of relational databases versus traditional file systems is discussed. Rows are not records; columns are not fields, and tables are not files.
US standard railroad gauge
Procedural programming language
OO programming language
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
If you already have a background in data processing ...