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What are called index-sequential files?
The files that are ordered sequentially with a primary index on the search key are known as index-sequential files
What are the objectives of query processing? Ans: The objectives of query processing is to transform a query written in a high level language into a accurate and efficien
Limitations of File Based System The file-based system has some limitations. The limitations are listed as follows: Isolation and separation of data: When the data is
what are the purposes of dbms in details
Explain the Strategy of Database Planning ?
What is a security? Securities are claims on financial assets. They can be illustrated as "claim checks" which give their owners the right to receive funds in the future. Sec
What is recovery management component? Ensuring durability is the responsibility of a software component of the base system known as the recovery management component.
Fundamentals of Database Management 1. Explain the concept of Foreign Key. How a foreign key differs from a Primary Key? Can the Foreign Key accept nulls? 2. With a necess
What are data models? Explain it detail? Entity relationship model Rectangles Ellipse Diamonds Lines Relational model Relational model use a collection
Differance between Unordered and ordered file ? Unordered file do no has any sequence although ordered file has arranged in a few sequence and data are assigned in ordered form
HOW TO SOLVE THE LP Problems by simplex method?z=x1+-3x2+2x3
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