Tata technologies Technical Paper

a) to initialize multiple objects

b) to lock an object 

c) option 3 

d) option 4

a) select A employe no. from employe A , where exists from employe B where A employe no. >= B employe having (count(*) mod n)=0 

b) select employe no. from employe A, employe B where A employe no.>=B employ no.grouply employe no.having(count(*) mod n=0 ) 

c) both a& b 

d) none of the above 

a. 46.75

b. 40 

c. 33.66 

d. 66.66

a. 25 

b. 20 

c. 15 

d. 30

(a) D 

(b) D and G 

(c) G and H 

(d) F and G 

(e) J 

(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) E 

(b) either B or C 

(c) both E & F 

(d) B 

(e) both B & C 

a.260

b.200 

c.234 

d.220

a) delete from customer where customer no. exists ( select distinct customer no. from customer having count ) 

b) delete customer a where customer no. in b row id 

c) delete customer a where customer no. in ( select customer no. from customer a, customer b ) 

d) none of the above 

a) -128 

b) -255 

c) -127 

d) 0 

a) it is compiled using java c compiler

b) the compiled files have .class extension.

c) such files cannot be transferred from one comp to another.

d) they use the java interpreter

Eg: char N1="123",N2="478", N3=-355(N1-N2). 

a) session 

b) application 

c) presentation 

d) transport