What is the difference between software package in SQL and PL/SQL

5 pts.
Tags:
Oracle SQL
PL/SQL
SQL
SQL development
why is the need of psql when the sql is already avaliable.

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PL/SQL is a <b>procedural extension of SQL</b>. It is a programming language.

PL/SQL has variables and variable declarations, it includes conditional controls like IF. It also includes looping structures (LOOPs). PL/SQL uses SQL to get, manipulate and save data to/from the database.

In PL/SQL you can build procedures, functions and packages.

“SQL cannot be used to execute procedural code with conditional, iterative and sequential statements”.

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