1). Piggy backing is a technique for a) Flow control b) sequence c) Acknowledgement d) retransmissionans: c piggy backing2). The layer in the OST model handles terminal emulationa) session b) application
There is an employee table with key fields as employee no. Data in every n'th row are needed for a simple following queries will get required results.
A. Select A employee no. from employee A, where exists from employee B, where A employee no. >= B employeee having (count(*) mod n)=0
B. select employee no. from employee A, employee B where A employee no. >= B employ no. grouping employee no. having (count(*) mod n=0)
C. both a and b
D. none of the above
Type duplicates of a row in a table customer with non-uniform key field customer no.
A. delete from customer where customer no. exists (select distinct customer no. from customer having count)
B. delete customer a where customer no. in (select customer b where customer no. equal to b customer no.) and a rowid > b rowid
C. delete customer a where customer no. in (select customer no. from customer a, customer B.
D. none of the above
C LANGUAGE
Q is not equal to zero and k = (Q x n - s)/2 find n?
A. (2 x k + s)/Q
B. (2 x s x k)/Q
C. (2 x k - s)/Q
D. (2 x k + s x Q)/Q (E. (k + s)/Q
A right circular cylinder and a cone are there. Base radius of cone is equal to radius of cylinder. What is the ratio of height to slant side?
class B
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