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Oracle TRUNC function (FOR NUMBER).

The Oracle/PLSQL TRUNC function returns a number truncated to a certain number of digits after the decimal point….

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Oracle CURRENT_TIMESTAMP function.

Oracle/PLSQL CURRENT_TIMESTAMP function returns the current date and time in the time zone of the current SQL session as set with the ALTER SESSION co…

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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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