The Difference Between a PL/SQL Function and a PL/SQL Procedure in Oracle
In Oracle, the main difference between a PL/SQL function and a PL/SQL procedure lies in their return types. A PL/SQL function returns a single value, while a PL/SQL procedure does not return any value. Additionally, a PL/SQL function can be called in SQL statements or expressions, whereas a PL/SQL procedure cannot be directly called in SQL.
Another key distinction is that a PL/SQL function must return a value using the RETURN
statement, while a PL/SQL procedure does not have this requirement. Functions are often used to perform calculations or data transformations and return a result, while procedures are typically used to perform actions or tasks without necessarily returning a value.
When designing your database and applications in Oracle, it's essential to understand these differences and choose the appropriate PL/SQL construct based on your requirements.
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