Difference between revisions of "Database 101"
From kemiko
(Created page with "* Always do a "select" before a "delete" * Rename objects before deleting * Always use a "where" clause..."where 1" or "where 1 = 1" for all * Self joins can be handy * Use AN...") |
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Revision as of 22:10, 25 August 2017
- Always do a "select" before a "delete"
- Rename objects before deleting
- Always use a "where" clause..."where 1" or "where 1 = 1" for all
- Self joins can be handy
- Use ANSI joins for clarity