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<TITLE>The importance of error checking</TITLE>
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<H1>The importance of error checking</H1>
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<LI><H2>Errors happen!
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<LI>Failure happens when you don't expect errors!
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<LI>database crash / network disconnection
<LI>lack of disk space for insert or select (sort space for order by)
<LI>server math error on select (divide by zero after 10,000 rows)
<LI>and maybe, just maybe, errors in your own code [Gasp!]
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</UL><LI>Beat failure by expecting errors!
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<LI>Detect errors early to limit effects
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<LI>Defensive Programming, e.g., check assumptions
<LI>Through Programming, e.g., check for errors after fetch loops
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<H2>.</H2>
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