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Oracle CURRENT_DATE function.

Oracle/PLSQL CURRENT_DATE function returns the current date in the time zone of the current SQL session as set with the ALTER SESSION comman….

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Oracle SQRT function.

The Oracle/PLSQL SQRT function extracts the square root from the number….

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Oracle DBTIMEZONE function.

The Oracle/PLSQL DBTIMEZONE function returns the time zone of the database as an offset of the time zone (in the following format: ‘[+|-]TZH:TZM’) or …

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SQL in just 20 minutes.

    Every self-respecting web developer should know SQL.

    Although it has existed since the 70s of last century, it is still very widely used, and wit…

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    Oracle NEXT_DAY function.

    Oracle/PLSQL NEXT_DAY function returns the first day of the week that is larger than date….

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