Interview Questions Answers.ORG
Interviewer And Interviewee Guide
Interviews
Quizzes
Home
Quizzes
Interviews DB Oracle Interviews:Concepts and ArchitectureData AccessDatabase ArchitectureDatabase ManagementDatabase Security OracleDistributed ProcessingFlexfieldForms ReportsGeneral OracleMemory ManagementMTO-SAP Financial AccountingOCIOracle AOLOracle AROracle Backup RecoveryOracle D2KOracle DatabaseOracle Database DeveloperOracle DB OptimizationOracle DBAOracle DeveloperOracle ETLOracle Forms 3.0Oracle Forms 4.0Oracle GLOracle PL-SQLOracle RMANOracle ScenariosOracle SecurityOracle SQLOracle System ArchitectureOracle Technology Network (OTN)Programmatic ConstructsRAC (Real Application Clusters)SQL Plus
Copyright © 2018. All Rights Reserved
Oracle Database Interview Question:
What Is an Oracle Function?
Submitted by: AdministratorA function is a named program unit. It consists of three parts:
► Declaration Part - Defining the function name, calling parameters, return value type, local variables and local procedures. Declaration part is required.
► Execution Part - Defining execution logic with executable statements. Execution part is required.
► Exception Part - Defining error handling logic. Exception part is optional.
Here how a complete procedure should look like:
FUNCTION name (parameter_1, parameter_2) RETURN type AS
-- Declaration statements
BEGIN
-- Executable statements
RETURN value;
EXCEPTION
-- Error handling statements
END;
Submitted by: Administrator
► Declaration Part - Defining the function name, calling parameters, return value type, local variables and local procedures. Declaration part is required.
► Execution Part - Defining execution logic with executable statements. Execution part is required.
► Exception Part - Defining error handling logic. Exception part is optional.
Here how a complete procedure should look like:
FUNCTION name (parameter_1, parameter_2) RETURN type AS
-- Declaration statements
BEGIN
-- Executable statements
RETURN value;
EXCEPTION
-- Error handling statements
END;
Submitted by: Administrator
Copyright 2007-2024 by Interview Questions Answers .ORG All Rights Reserved.
https://InterviewQuestionsAnswers.ORG.
https://InterviewQuestionsAnswers.ORG.