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Give an example of operations from the State Actions and Activities. For instance, in bank the activity verify account code and verify password
#questiononsider the following relation: CAR_SALE =(CAR_ID,oPTION_TYPE, Option_listpreice, Sale_date, Option_discountedprice)..
what benefit can a company gain by managing its own infrasture and services
let us consider a table having 2200 records and the fixed size of the table to be considered as 25.then how many numbers of table is requredto perform horizontal fragmentation
Consider entity type Employee with attributes empNumber (this is unique), empName, and the year when he/she was hired. An employee can either be a technical employee, a marketing e
Sparse and Dense Indexes These indexes in principle are the similar as that of indexes used at the back of the book. The key facts of the indexes are: They are arranged
A set of possible data values is called? A set of possible data values is called as domain.
What is an entity relationship model? The entity relationship model is a collection of basic objects known as entities and relationship between those objects. An
List the Armstrong's axioms for functional dependencies. What do you understand by soundness and completeness of these axioms? Ans: The Armstrong's axioms are: F1:
What is Primary key? Primary Key - Primary key is one of the candidate keys which uniquely identifies each row in the relation.
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