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It is not possible to make an ABAP/4 program, which having only Subroutines. False. We can make ABAP/4 program, which having only Subroutines.
Database systems have many opposite efforts ?
What's the difference between a primary key and a unique key? Both primary key and unique key enforces uniqueness of the column on which they are explained. But by default prim
what do you mean by primary key constraint?
wrie a report on whether a BSc n information systems develops the skills required by employers in Database administration
what is Nested relational model? Explain with examples.
What is a view? Make a view of EMP table named DEPT 20, to display the employees in department 20 and their annual salary. Ans: View is a virtual table that does not consist
Unrepeatable reads : Assume T7 reads X twice during its implementation. If it did not update X itself it could be very disturbing to see a dissimilar value of X in its next read. B
WOUND-WAIT
In an E-R diagram how attributes are represented ? In an E-R diagram attributes are represented in a ellipse.
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