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What it creates while a primary key is combined with a foreign key?
It creates Parent-Child relation ship between the tables that connect them while a primary key is combined with a foreign key.
Draw an ER diagram for company''s database schema
(a) Differentiate between information and data . (b) List and briefly explain five potential benefits of the database approach compared to conventional file systems. (c) Diff
what should be included in this???
Can we delete data element, which is being used by table fields. No we cant delete data element.
Haw does it work one database application
Define functional and multivalued dependencies. Ans: A functional dependency is a assets of the semantics of the attributes in a relation. The semantics point out how at
The users who use easy-to-use menu are called ? The users who use easy to use menu are called as Naïve users.
how many types of data model in DBMS? explain data abstraction with its different level
what is meant semantic query optimization? how does it differ from other query optimization techniques?
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