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Which method of access uses key transformation?
A Hash method of access uses key transformation.
What is a candidate key? Minimal super keys are known as candidate keys.
You are managing the following database system: • DBMS: Oracle 11g • OS: Sun Solaris • System architecture: Web-based application using ASP.Net • Purpose of Server: HR manage
You are working for the ABC Telecom and are given some customer records for data mining. You are asked to discover, from the data, patterns that characterize low-, medium- and high
Consider the join of a relation R with relation S. If R has m tuples and S has n tuples, then the maximum size of join is: If R has m tuples and S has n tuples then maximum siz
What is the most significant feature that does not directly map into programming language structures? Why? Association, since there are complex types of association, like as qu
What is nested relational model? The nested relational model is an extension of relational model in which domains might be either atomic or relation valued.
Differance between Unordered and ordered file ? Unordered file do no has any sequence although ordered file has arranged in a few sequence and data are assigned in ordered form
Define canonical cover? A canonical cover Fc for F is a set of dependencies like F logically implies all dependencies in FC and Fc logically shows all dependencies in F.
A database to track your progress in your college program will track your progress towards graduation! A database that has information containing the classes that you have taken, c
For this application, we will consider IBM DB2 catalog data (i.e., metadata) for IBM's enterprise-class servers running the z/OS (formerly OS/390 or MVS) operating system. One of
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