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Mention the several levels in security measures.
A) Database system
B) Operating system
C) Network
D) Physical Human
Which database level is closest to the users? External database level is closest to the users.
Which product produces the relation that has attributes of R1 and R2 ? Cartesian product produce the relation which has attributes of R1 and R2
Question: a) What is Client/Server and what benefits can be expected from Client/Server systems? b) Explain what middleware is and what it does. Why would MIS managers be p
In which relational modes, cardinality is termed? Answer : Cardinality is termed in a number of tuples relational modes.
What are the types of reference?explain it with suitable examples? Object oriented language given the ability to refer the object attribute of the type can be referred to the s
What is the difference between serial and sequential files? How searching is applied on both? Ans: A serial file is one where the records have been stored in the order where
I am going to develop a web site to present decision tree structure. For this, I want a web application with AJAX technology to connect the database and prepare the decision tree's
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
#what is cursor its uses ? Explain it
WHY SHOULD NULL IN A RELATION BE AVOID AS possible?
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