list the set operations of sql1 union2 intersect
List the set operations of SQL?
1) Union
2) Intersect operation
3) The except operation
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q what are the kinds of fecundation that occur in arthropods what is the predominant kindin arthropods there are species having exterior fecundation
define tuple variabletuple variables are used for comparing two tuples in the same relation the tuple variables are explained in the from clause by
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list the string operations supported by sql1 pattern matching operation2 concatenation3 extracting character strings4 converting among uppercase and
list the set operations of sql1 union2 intersect operation3 the except
what is the use of union and intersection operationunion the result of this operation contains all tuples that are either in r1 or in r2 or in both
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q what are imago and nymphnymphs are larvae of hemimetabolic insects like grasshoppers they are very similar to the adult insect although smaller in
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