What is PL SQL and what is it used for?
PL/SQL gives high productivity to programmers as it can query, transform, and update data in a database.
PL/SQL saves time on design and debugging by strong features, such as exception handling, encapsulation, data hiding, and object-oriented data types.
Applications written in PL/SQL are fully portable..
What does PL SQL stand for?
Procedural Language for SQLPL/SQL (Procedural Language for SQL) is Oracle Corporation’s procedural extension for SQL and the Oracle relational database. PL/SQL is available in Oracle Database (since version 6 – stored PL/SQL procedures/functions/packages/triggers since version 7), Times Ten in-memory database (since version 11.2.
How do I write a PL SQL program?
Text EditorType your code in a text editor, like Notepad, Notepad+, or EditPlus, etc.Save the file with the . sql extension in the home directory.Launch the SQL*Plus command prompt from the directory where you created your PL/SQL file.Type @file_name at the SQL*Plus command prompt to execute your program.
What is declare in PL SQL?
Variable Declaration in PL/SQL When you declare a variable, PL/SQL allocates memory for the variable’s value and the storage location is identified by the variable name.
What are the benefits of PL SQL?
PL/SQL has these advantages:Tight Integration with SQL.High Performance.High Productivity.Portability.Scalability.Manageability.Support for Object-Oriented Programming.Support for Developing Web Applications.More items…
Is PL SQL only for Oracle?
PL/SQL only can execute in an Oracle Database. It was not designed to use as a standalone language like Java, C#, and C++. In other words, you cannot develop a PL/SQL program that runs on a system that does not have an Oracle Database. PL/SQL is a high-performance and highly integrated database language.