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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
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Consider the following relations: S (S#, SNAME, STATUS, CITY) SP (S#, P#, QTY) P (P#, PNAME, COLOR, WEIGHT, CITY) Give an expression within SQL for each of queries b
What is an entity relationship model? The entity relationship model is a set of basic objects known as entities and relationship between those objects. An entity is a thing or
Run the following queries. For each query show 1) What you expect the output to be based upon the data 2) the SQL code and 3) the output running the query in Oracle. 1. Show all c
What is the aim of object design The aim of object design is to identify object which the system contains and the interactions among them. The system implements specification
explain concept of decomposition?
We will explain here an example database application having COLLEGE database and use it in showing several E-R modelling concepts. College database remains track of faculty, Stu
What are called multilevel indices? Indices with two or more levels are known as multilevel indices.
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