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WHAT IS DSS? WRITE ITS REQUIREMENTS.
To delete a particular column in a relation which command is used ? To delete a particular column in a relation ALTER command is used.
What is the State Machine Engine The straightest approach to implement control is to have any way of explicitly representing and executing state machines. With the help of thi
Relations create the database. They must satisfy various properties, like no duplicate tuples, no ordering of tuples, and atomic attributes, etc. Relations that satisfy these basic
#floating point representation is used to store
What is Explicit update In explicit update, each derived attribute is defined with respect to one, or more fundamental base object(s). The object designer determines that de
Define a relation ? Relation - A relations is a named two-dimensional table of data. Mathematically, a relation can be described as a subset of the cartesian product of a lis
Explain the Strategy of Database Planning ?
In E-R diagram how generalization is represented? in E-R diagram generalization is represented by Triangle shape.
Entities Let us first be aware of the question: What are entities? An entity is an object of concern used to show the things in the actual world, e.g., table, car, bo
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