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Define instance and schema? Instance: Collection of data stored in the data base at a certain moment is Schema: The overall design of the data base is known as the data base
Q. State the Technique for converting a state diagram to code. i) Identify the major control path. Starting with first state, find the path from diagram that corresponds
(a) Why did SAP introduce the extended star schema?
multidimensional data model
What are the two types of indices? The two types of indices are:- A) Dense index B) Sparse index
These are the binary operations; i.e., each is applied to two relations or sets. These two relations can be union compatible excluding in case of Cartesian product. Two relations R
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An entity set that does not have sufficient attributes to form a primary key is called? An entity set that doesn't have sufficient attribute to form a primary key is known as w
Which language has presently become the defacto standard for interfacing application programs along with relational database system? The language which has recently become the
what is multivalued dependency
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