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• PL/SQL is a programming extension of SQL developed by Oracle which combines the power of SQL in the field of data manipulation and the power of procedural language for faster and effective processing of data thereby resulting in the creation of powerful queries.
• PL/SQL enhances the security, INCREASES the platform portability, and makes it more robust by means of instructing the compiler ‘what to do’ and ‘how to do’ using SQL and procedural form respectively.
• Finally, it GIVES more power over the database to the programmers due to the feature of decision MAKING, filtering, and looping ABILITIES thereby making it a more convenient and reliable means for the programmers to work on it.

References:
https://oracle-base.com/articles/misc/introduction-to-plsql

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