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DBMS-PL-SQL PL/SQL Codes Relational Algebra operators:selection, projection, cross product, various types of joins, division, example queries, tuple relation calculus, domain relational calculus.
Terminologies in PL/SQL Subprograms Before we learn about PL/SQL subprograms, we will discuss the various terminologies that are the part of these subprograms. Below are the terminologies that we are ...
How to Open a PL/SQL File. PL/SQL (Procedural Language/Structured Query Language) files contain database code that represents information that you can manipulate using Oracle operating systems and ...
When you use SELECT in a PL/SQL block, it’s important to make sure that exactly one row will always be returned by your query. If more than one row is returned, the TOO_MANY_ROWS exception occurs.
The SQL Procedure Pass-Through Facility is an extension of the SQL procedure that enables you to send DBMS-specific statements to a DBMS and to retrieve DBMS data.