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Define tuple variable Tuple variable is a type of variable whose domain is the set of all tuples.
How to Insert data in your table from another table? insert into e.g, To insert tuples from employee into N_emp created above, use following statement Insert into N_emp
The users who use easy-to-use menu are called ? The users who use easy to use menu are called as Naïve users.
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
HOW TO SOLVE THE LP Problems by simplex method?z=x1+-3x2+2x3
SET concept is used in which type of modelling? SET concept is used in Network Model.
What is a hash index? A hash index organizes the search keys, with their associated pointers, into a hash file structure.
Views in relational algebra: 1. Basic expression contains either a) A relation in the database. b) A constant relation. 2. General expressions are madde out of sma
Explain the disadvantages of using DBMS There could be a few disadvantages of using DBMS. As DBMS requires computers, we have to invest a good amount in acquiring the hardwa
how to find entities
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