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41>*=/
/=-
+=*
-=+
4*16/4+20-16=56
32/4*4+20-16=28
32*4/4+32-16=2.5
16*32/4+20-16=640
46>
STRUCT U
{
INT EMP_AGE;
FLOAT EMP_SAL;
CHAR EMP_NAME[10];
} U1
UNION U1 V1,*P2;
P2=&V1;
WHICH OF THE FOLLOWING ARE CORRECT
V1.EMP_AGE
P2->EMP_SAL
P2->EMP_AGE
NONE
90 -------------stores a log of changes made to db,which are then written to
_,which are then written to _,which is used if db recovery is necc.
A) db buffer share pool
b)program global area,shared pool
c)system global area,large pool
d) redo log buffer,online redo log
76)-------------means allowing objects of difference types to be considered as
examples of a higher level set :
ans:Generalisation
77:)The primary characteristic of key field is that it must be unique
78)manager-------------- --emp managed by
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