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PostgreSQL to_char function.

PostgreSQL to_char function converts a number or date to a string….

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PostgreSQL CEIL function.

The PostgreSQL CEIL function returns the smallest integer value, which is greater than or equal to a number….

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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 abs function.

The abs function in PostgreSQL returns the absolute value of the number….

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Discrete and standalone transactions in Oracle.

To help in managing transactions, Oracle DBMS allows you to use two special types of transactions – discrete transactions and standalone transactio…

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