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What is an Operand?
The data on which the operation is to be performed is known as an Operand
What is trigger Triggers are statements that are implemented automatically by the system as the side effect of a change to the database.
What is data independence? Data Independence: Techniques which permit data to be changed without affecting the applications in which procedure it. There are two types of data
Define single valued and multivalued attributes. Single valued attributes: attributes with a single value for a particular entity are known as single valued attributes. M
Write short notes on relational model The relational model uses a collection of tables to show both data and the relationships between those data. The relational model is an ex
what is Nested relational model? Explain with examples.
What do you understand by a view? What does WITH CHECK OPTION clause for a view do? - A view is a virtual table which comprises fields from one or more real tables. - It is
what are the reasons having variable length records
prototype of a distributed information system for a national car part retail outlet chain.
er diagram on cosmetics.
Determine the minimal set of functional dependencies for the following data. This table is part of the OHSU database of extracurricular activities and tracks the DMICE band's co
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