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The scope of data backup can be whole data, partial ,or some files. On this basis of scope the follo....
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Cascade constraint is used to maintain the consistency of the data. It automatically deletes the row....
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select *
from stud s1
inner join result r1 on s1.key = r1.key
left outer join address a1 on s1.key....
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bcp utility copies bulk data between an instance of SQL server database and user defined file format....
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