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List the requirements needed to design a trigger. The requirements are:- Specifying when a trigger is to be implemented. State the actions to be taken when the trigger im
What is called remapping of bad sectors? If the controller detects that a sector is injured when the disk is initially formatted, or when an attempt is made to write the secto
define locking in simple language and decribed it
OBJECTIVES After going through this unit you should be capable to: Explain the File Based system and its limitations; Explain the structure of DBMS; Explain the
Define Join and Outer Join and differentiate between them. Ans: Join - It generates all the combinations of tuples from two relations which satisfy a join condition. Oute
Example - ALTER TABLE emp MODIFY (empno NUMBER (7));
What is storage manager? A storage manager is a program module that gives the interface between the Low level data kept in a database and the application programs
I need help for my Uni assignments
Adding Redundant Associations for Efficient Access Redundant associations do not add any type of information, therefore during design we should actually examine structure of o
Illustrate how you can use QBE to perform logical AND and OR operation
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