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Oracle GROUP_ID function

Oracle/PLSQL GROUP_ID function assigns a number to each group as a result of GROUP BY operator. GROUP_ID function is most often used to identify dupli…

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Oracle EMPTY_CLOB function

Oracle PLSQL EMPTY_CLOB function can be used to initialize empty LOB columns in INSERT or UPDATE operators or it can be used to initialize LOB variabl…

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Oracle NANVL function

The Oracle/PLSQL NANVL function allows you to replace a value for a floating point number such as BINARY_FLOAT or BINARY_DOUBLE when Nan (Not a number…

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Oracle LNNVL function

Oracle/PLSQL LNNVL function is used in the WHERE SQL query sentence to evaluate the state when one of the operands may contain the value NULL….

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Large database size Distribution MS SQL Server

Sometimes you have to face the situation when in Microsoft SQL Server with the configured replication, the database distribution starts to grow. There…

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