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What is a view? A view is a logical view on one or more tables. A view on one or more tables i.e., the data from a view is not actually physically kept instead being derived f
What is Primary key? Primary Key - Primary key is one of the candidate keys which uniquely identifies each row in the relation.
What benefits can a company gain by managing its own information infrastructure and servicea
Explain the paths in the association network We can analyze use of paths in the association network as given below: Calculate each operation Find associations whic
Explain heap file with advantages? Heap File is an unordered set or a group of records, stored on a set of pages. This class gives basic support for inserting, updating, select
What is known as a search key? An attribute or set of attributes used to look up records in a file is known as a search key.
The users who use easy-to-use menu are called ? The users who use easy to use menu are called as Naïve users.
A relationship set is a set of relationships of the similar type. For example, let consider the relationship among two entities sets course and student. Collection of all the in
entity relationship diagram about finance
Your friend owns a computer store in Yuen Long, selling Desktop and Notebook PCs and other computer peripherals. Having been rather successful with his business there, he decided t
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