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Consider the following two tables and four queries in SQL. Book (isbn, bname), Stock (isbn, copies) Query 1: SELECT B.isbn, S.copies FROM Book B INNER JOIN Stock S ON B.isbn = S.isbn;   Query 2: SELECT B.isbn, S.copies FROM Book B LEFT OUTER JOIN Stock S ON B.isbn = S.isbn; Query 3: SELECT B.isbn, S.copies FROM Book B RIGHT OUTER JOIN Stock S ON B.isbn = S.isbn;   Query 4: SELECT B.isbn, S.copies FROM Book B FULL OUTER JOIN Stock S ON B.isbn = S.isbn;   Which one of the queries above is certain to have an output that is a superset of the outputs of the other three queries?
Select differences between reference type and value type: i. Memory allocated to ‘Value type’ is from heap and reference type is from ‘System. ValueType’ ii. Memory allocated to ‘Value type’ is from ‘System. ValueType’ and reference type is from ‘Heap’ iii. Structures, enumerated types derived from ‘System. ValueType’ are created on stack, hence known as ValueType and all ‘classes’ are reference type because values are stored on heap
ISBN is used to identify -
ISBN is related to
ISBN is related to ----
ISBN- এর সঠিক পূর্ণরূপ কোনটি?
ISBN is related to-
ISBN is related to --
ISBN-কোন বিষয়ের সাথে সম্পর্কিত?
ISBN কোন বিষয়ের সাথে সম্পর্কিত?