Related Questions

When the values in one or more attributes being used as a foreign key must exist in another set of one or more attributes in another table, we have created a(n):
A Transitive Dependency
B Insertion Anomaly
C Referential Integrity Constraint
D Normal Form
General knowledge and aptitude test(Q.51-80) Match list 1 with list 2 and select the most appropriate answer. List 1(place) Barisal-Rajshahi-Sylhet. List 2 (Specially)
A Boat-Road-Rail
B River-Mango-Building
C River-Border-Border
D Hilsa-Mango-Orange
All legislative subject are mentioned in three lists union list, concurrent list and state list. Any subject is not mentioned in all three list, the law on that particular subject can be framed by-
A Parliament only
B State Legislature only
C 1 and 2
D Neither 1 nor 2
A correlated subquery is where the outer query depends on data from the inner query.
A True
B False
For reactions in parallel viz A → P (desired product) and A → Q (unwanted product), if the order of the desired reaction is higher than that of the undesired reaction, a
A Batch reactor is preferred over a single CSTR for high yield
B Tubular reactor is preferred over a single CSTR for high yield
C Both A and B
D Single CSTR is the most suitable
In SQL_____, aggregate function can be used in the select list or the _____clause of a select statement of sub query. They cannot be used in a _____clause.
A where, having
B having, where
C Group by, having
D Group by, where
Think a number and then double the number. Then add 8 and multiply the result by 6. Now divide the result by 10 the subtract the number you first thought out. what is the final result?
A 4
B 6
C 10
D 14
Think a number and then double the number. Then add 8 and multiply the result by 6. Now divide the result by 12, then subtract the number you first thought out. What u the final result?
A 4
B 6
C 10
D 14
Subtract 3 from the number n. multiply the result by 3. Add 3 and then divide this result by 3. what is the final result ?
A n
B n-1
C n-2
D n-3
Think of a number and then double the number Add 6 and multiply the result by 10. Now divide the result by 20 , then subtract the number you first thought out. What is the result?
A 2
B 3
C 4
D 5

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