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A set of possible data values is called?
A set of possible data values is called as domain.
What is transaction? Transaction is a unit of program implementation that accesses and possibly updated several data items.
What are the types of reference?explain it with suitable examples? Object oriented language given the ability to refer the object attribute of the type can be referred to the s
How many physical thing?
what is cascading? what is rollback cascading? please explain in detail
it can be possible to create any table without primary key
Show a centralised schema to support the operation of the system you have chosen, including in particular: the product catalogue; the outlets and respective stocks; customer record
What is self-transition? If there is a transition which goes back to same state, it is known as "self- transition." With a trigger action exit action would be executed f
Introduction In large projects, we can have many different companies working together. Generally, the project or contract is awarded to one company (Principal Contractor), which
These are the binary operations; i.e., each is applied to two relations or sets. These two relations can be union compatible excluding in case of Cartesian product. Two relations R
average response time?
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