Let Oracle Do the Heavy Lifting: using compile-time warnings

The PL/SQL compiler does more than make sure your code can execute. If you turn on compile-time warnings, the compiler will also give you recommendations on improving performance, taking full advantage of PL/SQL features, improving overall code quality.

Examples: the compiler can tell you under a number of circumstances that a runtime error will occur; that there are unreachable chunks of code, and more.

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Practically Perfect PL/SQL with Steven Feuerstein

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[billmask]

I your company, the dev/qa environment should have the warnings enable by dafault.