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What are the two integrity rules? Ans: The two integrity rules are: Entity Integrity Rule & Referential Integrity Rule. Entity Integrity Rule - If the attribute A of rel
Write a query that display ename annual salary and comm from emp table
Some disadvantages of File Oriented System ?
Describe different steps of the object-oriented design process. The broad steps of the object-oriented design process are: a. Define context and modes of use of the system
In this practical assignment, we will run through a complete database application development cycle, starting with the schema design, from an initial data import to database applic
Foreign Keys and NULL Let us take the relation: DEPT DEPT ID DNAME BUDGET D1 M
Java program for horrizontal fragmentation in distributed database
Define Hash files organization a. Hashing includes computing the address of a data item by calculating a function on the search key value. b. A hash function h is a functi
Two-way Associations Mostly, associations are travel in both directions, although not usually with same frequency. There are three approaches for the implementation. In
(a) Why did SAP introduce the extended star schema?
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