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Uses the ‘ return‘ keyword to return the result.

Uses the ‘ out‘ keyword to return the result. It can be used while querying using a select statement. It cannot be used with a select statement. Stored procedures & functions both are reusable and have a lot in common but despite similarities, there are a few key differences that we are going to discuss in the section. Read: Oracle Create User What is the difference between function and stored procedure in oracle 21c? What is out parameter in stored procedure in oracle 21c While executing the stored procedure we have provided the argument as 5 and as a result, 120 is produced. It is a factorial program wherein the procedure is calling itself the number of times of that number. The factorial program is the best example of the same.īelow is the example, showing the recursive stored procedure in oracle. When a procedure is written in such a way that it calls itself multiple times then it is called a recursive stored procedure. Read: Oracle Change Database Name What is recursive stored procedure in oracle? local subprograms – procedures nested inside other subprograms.Subprograms – Procedures defined within a package.Standalone subprograms – Procedures created outside of a package.There are 3 types of stored procedures in oracle: To overcome this problem oracle created PL/SQL which allows writing functions and store procedures. Oracle clauses – where, group by, having are not sufficient to perform advance operations on the database also they are comparatively slow.