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Explain What is Relation? A database relation is a predefined row or column format for storing information in a relational database. Relations are equal to tables.
what are the purposes of dbms in details
Question 1 Define OLTP? Explain the Differences between OLTP and Data Warehouse Question 2 What is Architecture? Explain various components involved in it Question
What is a view? How it is related to data independence? A view might be thought of as a virtual table, that is, a table that does not really exist in its own right but is inste
Mention the several levels in security measures. A) Database system B) Operating system C) Network D) Physical Human
FDs in Entities : Student entity : Enrolment number → Student name, Address Course Entity :
what is the importance of back up files
When a function module is activated syntax checking is performed automatically. YEs, a function module is activated syntax checking.
You are required to program (in a high level language such as C, C++, Java) and implement a cache simulator which will have the following inputs and outputs:- INPUTS
Explain the structure of well formed formulae in relational calculus. Ans: a. An atom is a formula b. If P1 is a formula, after that so are ¬P1 and (P1) c. If P1 and P2 a
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