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What is a security? Securities are claims on financial assets. They can be illustrated as "claim checks" which give their owners the right to receive funds in the future. Sec
Submission Requirements All answers must be computer generated (including text and diagrams). The hand-in version must include a header page (or with sufficient space)
what is relationship inheritance and attribute inheritance
define normalisation and functional dependency
Explain the Natural join Natural join is a binary operator which is written as (R* S) in which R and S are relations. The effect of the natural join is the set of all combinati
What is property - properties of a database ? It is an integrated collection of logically related records. It consolidates separate files into a common pool of data records and
What is a hash index? A hash index organizes the search keys, with their associated pointers, into a hash file structure.
Guidelines for creation of table: Table name should begin with an alphabet. In table name, single quotes and blank spaces are not allowed. Reserve words of that DBM
It is mandatory that for every table in the LDB hierarchy there should exist one GET statement in the report. False. It is not essential.
explain concept of decomposition?
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