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What are the purpose for having variable length records? What kinds of separator characters are required for each? Variable-Length Records - Variable-length records are thos
What is a database? Database - Basically in simple terms A database is a collection of inter related data and/or information stored so which it is available to several users
how to make an e r diagram?
Have a look around the site, and at some of the sites they have featured. These are all examples of bad design, and also offer an explanation about why they fall into this category
In case of entity integrity, the primary key may be declared? In a case of entity integrity primary key may be not Null.
What are the two types of indices? The two types of indices are:- A) Dense index B) Sparse index
what is un ordered and ordered file managment?
Can you assist me in Database management system? I need help in my courses, please email me at and get back me soon...
A file of employee have 10,000 blocks on a cylinder of a disk with characteristics r=8ms and btt=0.6ms I want to know the cost of read inthe file under following conditions for a q
Determine the method of Choosing Algorithms In general, most of operations are easy and have a satisfactory algorithm since description of what is to be done also shows how i
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