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PostgreSQL now function.

The PostgreSQL now function returns the current time and date with the time zone….

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PostgreSQL lower function.

    The PostgreSQL lower function converts all characters of a specified string into a lower case….

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    PostgreSQL upper function.

    PostgreSQL upper function converts all characters in the specified string to upper case….

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    Guide and Checklist for SQL and Database Performance Tuning: Professional Advice.

    A racing mechanic is similar to a database administrator (DBA). Building and optimizing a high-performance car requires minute adjustments and attenti…

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    PostgreSQL random function.

      PostgreSQL random function can be used to return a random number or a random number within a range….

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