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PLSQL stands for "Procedural Language extensions to SQL", and is an extension of SQL that is used in Oracle. PLSQL is closely integrated into the SQL language, yet it adds programming constructs that are not native to SQL.
In our reference you will find basics of Oracle such as how to retrieve and manipulate data. Then we will move to the more advanced topics such as how to create tables, functions, procedures, triggers, tablespaces, and schemas. We will conclude with a review of the functions that are proprietary to Oracle.
With this reference, you should be on your way to becoming proficient in Oracle and PLSQL.