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What will be create when a primary key if combined with a foreign key?
A primary key if combined with a foreign key it creates Parent-Child relationship between the tables that connect them.
explain exhausitively the problems associated with er diagrams with ellustrations
Why Like predicate used for? LIKE predicate: The LIKE predicate searches for strings in which have a certain pattern.
Need for Multiple Access Paths In practice, most of the online information systems need the support of multi-key files. For example, consider a banking database application hav
external and internal mapping with examples
What is meant by mean time to failure? The mean time to failure is the amount of time that the system could run continuously without failure.
complete assignment on the above title.
(a) Explain briefly the three parts of a relational Model. (b) Contrast the following terms with an appropriate example: (i) stored attribute v/s derived attribute (ii) en
What is the role of a database administrator?
What are stored and derived attributes? Stored attributes: The attributes keeps in a data base are known as stored attributes. Derived attributes: The attributes that are de
What is OMR? OMR (Optical Mark Recognition) is the translation of marks - or the absence of marks - but not the shape of the mark on forms that have small circles ("also called
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