What is procedure in PL SQL with example?

What is procedure in PL SQL with example?

The PL/SQL stored procedure or simply a procedure is a PL/SQL block which performs one or more specific tasks. The procedure contains a header and a body. Header: The header contains the name of the procedure and the parameters or variables passed to the procedure.

What is stored procedure in Oracle?

Stored procedures and functions (subprograms) can be compiled and stored in an Oracle Database XE, ready to be executed. Once compiled, it is a schema object known as a stored procedure or stored function, which can be referenced or called any number of times by multiple applications connected to Oracle Database XE.

What is procedure explain with example?

The definition of procedure is order of the steps to be taken to make something happen, or how something is done. An example of a procedure is cracking eggs into a bowl and beating them before scrambling them in a pan.

What is procedure in Oracle with example?

A procedure is a group of PL/SQL statements that you can call by name. A call specification (sometimes called call spec) declares a Java method or a third-generation language (3GL) routine so that it can be called from SQL and PL/SQL. The call spec tells Oracle Database which Java method to invoke when a call is made.

Why do we use PL SQL?

PL/SQL allows sending an entire block of statements to the database at one time. This reduces network traffic and provides high performance for the applications. PL/SQL gives high productivity to programmers as it can query, transform, and update data in a database.

What is PL SQL procedure?

A PL/SQL procedure is a reusable unit that encapsulates specific business logic of the application. Technically speaking, a PL/SQL procedure is a named block stored as a schema object in the Oracle Database.

What is the difference between PL SQL function and PL SQL procedure?

Procedures are basic PL SQL blocks to perform a specific action. Functions are blocks used mainly to perform the computations. Functions must return the value. Functions can execute or call using select statement but it must not contain Out or IN OUT parameters.

How execute a procedure in Oracle?

You can also execute a procedure from the Oracle SQL Developer using the following steps:

1. Right-click the procedure name and choose Run… menu item.
2. Enter a value for the in_customer_id parameter and click OK button.
3. The following shows the result.