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Define Database layer? The database layer defines the data formats used in the database.
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Define the Attribute Inheritance The attributes of a higher level entity set are inherited through a lower level entity set made by specialization-generalization hierarchy. Nam
Define about the Stored Procedure - It's a set of T-SQL statements combined together to perform a single task formed by combining numerous small tasks. - When you essentiall
Consider the relations described below: PHYSICIAN (regno, name, telno, city) PATIENT (pname, street, city) VISIT (pname, regno, date_of_visit, fee) Where the regno and pname ide
how does Btree differ from a B+ - tree?
Hello.I have database access assignment which consist of creation Form, Subform, Calculation, Macros
What are the basic objects of the data dictionary? Tables Domains Data elements Structures Foreign Keys
Suppose R is a relation with attributes A1, A2,..., An. As a function of n, tell how many superkeys R has, if: 1.1 The only key is A1. 1.2 The only key is A1 and A2. 1.3 The o
differences between a classified catalog and a dictionary catalog
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