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Improved availability: The data in a distributed system may be replicated so that it is at more than one site. Thus, the failure of a node or a communication link does not necessar
A student entity type has the following attributes,name..
Explain CNT in the respects of QBE ? CNT: It is one of the aggregation commands given in QBE. It is used to identify number of tuples
usecase diagram,activity diagraM,SEQUENCE DIAGRAM
what is view?explain
why three level architecture had been developed/
composite attribute
Consider a relation s over the attributes A and B with the following characteristics: 5,000 tuples with 10 tuples per page A 2-level B+ tree index on attribute
What is OCR? OCR (Optical Character Recognition) is a technology that enables you to change different types of machine-readable documents, like scanned paper documents, PDF fil
What are the basic objects of the data dictionary? Tables Domains Data elements Structures Foreign Keys
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