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List the drawbacks of relational database system
A) Repetition of data
B) Inability to s certain information.
tell me the functionality,advantages and disadvantages of student database
Let us now talk about the relational operations: SELECT The select operation is used to select few specific record from the database based on different criteria, This is a un
In this exercise you will create ten records, each containing the following fields: student name, class: Freshman, Sophomore, Junior or Senior, Major: Liberal Arts or General Sci
East Coast Aquarium Relational Database
Consider a systems development project with the following data Activity Duration (weeks) Precedence Relationship 1. Software design
Compare the Nested-loop join and block-nested loop join Ans: Nested loop join - It is costly as worst case cost, no. of block accesses needed is n r * b s + b r where b
The External or View Level The external or view level is the highest level of abstraction of database. It gives a window on the conceptual view, which permits the user to see
explain ANSI SPARC architecture
Define physical image of a global relation at a site
What are the two statements regarding transaction? The two statements regarding transaction of the form are:- A) Begin transaction B) End transaction
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