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Results tagged with Search options user 84375

A function performs some specified work, usually taking parameters as input. In terms of databases these may be specific to SQL or to the database vendor.

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Use a sub-select. From the docs: It is possible to force regexp_matches() to always return one row by using a sub-select; this is particularly useful in a SELECT target list when you want all ro …
answered Jun 19 '18 by Ryan Tuck
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I'd like to attempt a regex match, and return null if it fails. The following query attempts to find the first number in a string. The result ignores the entry with text 'blah'. I'd prefer it to retu …
asked Jun 19 '18 by Ryan Tuck