Computer Tutorials
Earn Money From Internet
Cheap Freelancers
Ask An Expert
Register Cheap Domain
Data Recovery
Best Mutual Funds
Trading Forex Online
Cheap Web Hosting
Ajax Tutorials
Cheap Cell Phone Plans
Free Mobile Learning
Job Portal
Photoshop Tutorials
Cheap Jewelry
Cheapest Air Travel
Oracle Interview Questions And Answers
|
Page 46 of 95
IN,OUT,IN-OUT parameters. 31. What are the two parts of a procedure ? Procedure Specification and Procedure Body. 32. Give the structure of the procedure ? PROCEDURE name (parameter list.....) is local variable declarations BEGIN Executable statements. Exception. exception handlers end; 33. Give the structure of the function ? FUNCTION name (argument list .....) Return datatype is local variable declarations Begin executable statements Exception execution handlers End; 34. Explain how procedures and functions are called in a PL/SQL block ? Function is called as part of an expression. sal := calculate_sal ('a822'); procedure is called as a PL/SQL statement calculate_bonus ('A822'); 35. What is Overloading of procedures ? The Same procedure name is repeated with parameters of different datatypes and parameters in different positions, varying number of parameters is called overloading of procedures. e.g. DBMS_OUTPUT put_line 36. What is a package ? What are the advantages of packages ? Package is a database object that groups logically related procedures. The advantages of packages are Modularity, Easier Applicaton Design, Information. Hiding,. reusability and Better Performance. 37.What are two parts of package ? The two parts of package are PACKAGE SPECIFICATION & PACKAGE BODY. |