u02sgb's tutorials

Checking if a variable is a number in ksh

Contributed by u02sgb on October 25, 2004 under Korn shell

Being able to test if a variable is a number in the Korn shell is very useful but not immediately obvious….

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Dropping everything from an Oracle database

Contributed by u02sgb on October 19, 2004 under Oracle

If you don’t want to create your database from scratch it’s sometimes useful to just delete all the objects from it.

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