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What is B-Tree?
A B-tree eliminates the redundant storage of search-key values .It permits search key values to appear only once.
2NF Normal Form : A relation schema process R is in 2NF if it is in 1NF and each non-prime attribute A in R is fully functionally related on primary key. Second normal form (2N
Show, with the help of an example, that relatively high-level transitions result when system or program is stimulated by the outside events. In diagram below, we can observe i
What subschema expresses ? A subschema expresses the external view. (External schemas are called also called as subschemas)
QUESTION (a) Consider a car database consisting of car model, car make, car origin, Engine capacity, color, cost.
In a Hierarchical model of data records are organized ? In the hierarchical model of data records are organized as Tree structure.
Write a query that display ename annual salary and comm from emp table
WHAT IS MEANT BY E-R MODEL
Question 1 What do you mean by database management system? Question 2 Write a note on Object-Oriented Model Question 3 Explain Sequential File Organization Question
Ask questApollo Hospitals (AH) is a popular medical service provider in Oman. AH wants to automate its business functions into an information system. The proposed information syst
What is trigger Triggers are statements that are implemented automatically by the system as the side effect of a change to the database.
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