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MySQL SELECT LIMIT statement.

MySQL statement SELECT LIMIT is used to extract records from one or more tables into MySQL and limit the number of records to be returned based on the…

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PostgreSQL tutorial: PostgreSQL data types.

Below is a list of data types available in PostgreSQL, which includes string, numeric, and date/time type….

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PostgreSQL Alias.

PostgreSQL Alias can be used to create a temporary name for tables or columns. Column aliases are used to make it easier to read column headers in a s…

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Configuring SQL*Plus environment for Oracle application developer.

It is very important for a professional developer (programmer) to be able to work effectively in the SQL*Plus environment. It is important to be able …

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PostgreSQL extract function.

PostgreSQL extract function extracts parts from the date….

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