Register
Filter

Recent activity by Shefali

1 answer
1
serializibility
My Answer is option c im i wrong if so plz correct me
My Answer is option c im i wrong if so plz correct me
2 answers
2
sql query
1 answer
3
Candidate keys
Q18). Consider the table $R$ , with attributes $A,B,C,D$ and $E$. What is the largest number of candidate keys at the same time? 1 5 10 31 As we know number of candidate keys with n number of attributes is $2^n -1$.Then how to solve this question?
Q18). Consider the table $R$ , with attributes $A,B,C,D$ and $E$. What is the largest number of candidate keys at the same time?151031As we know number of candidate keys ...
1 answer
4
madeeasy test series
why table for phones is not considered here..? :)
why table for phones is not considered here..? :)
2 answers
5
Location of element using Row Major Order
My question is : in the row [8][-8] to [8][5] will be 5-(-8)+1 = 14 elements , right ? so , it should be 1060 then considering 4 Byte is one element. I know , this is pretty basic question. But , still got me wrong :)
My question is : in the row [8][-8] to [8][5] will be 5-(-8)+1 = 14 elements , right ? so , it should be 1060 then considering 4 Byte is one element.I know , this is pret...
2 answers
7
Dense index
A block can hold either $12$ records or $42$ key pointers .A database contains $96$ records , then how many blocks are required to hold the data file and the dense Index? a). $10$ b). $12$ c). $11$ d). $13$
A block can hold either $12$ records or $42$ key pointers .A database contains $96$ records , then how many blocks are required to hold the data file and the dense Index?...
3 answers
8
N-ary tree
1 answer
11
DFA
Number of states in the minimized DFA that accepts all strings over alphabets $\Sigma=\{0,1\}$ in which number of $0's$ is divisible by $8$ or number of $0's$ is divisible by $16$ is _______.
Number of states in the minimized DFA that accepts all strings over alphabets $\Sigma=\{0,1\}$ in which number of $0's$ is divisible by $8$ or number of $0's$ is divisibl...
2 answers
13
CFG
Why is S2 not a correct option?
Why is S2 not a correct option?
9 answers
14
IPv6
1 answer
16
Counter
3 answers
17
Ethernet
Q). Ethernet implements ________ service for its operation (a). Connection oriented (b). Connection less (c). a and b (d). a or c
Q). Ethernet implements ________ service for its operation(a). Connection oriented(b). Connection less(c). a and b(d). a or c
3 answers
20
Identify the class of the language
$L=\left\{ w\in(a+b)^* \mid w \\ \text{ has at least as many occurrences of (bba)'s as (abb)'s}\right\}$     Identify the class of the language.
$L=\left\{ w\in(a+b)^* \mid w \\ \text{ has at least as many occurrences of (bba)'s as (abb)'s}\right\}$    Identify the class of the language.
1 answer
22
http://gatecse.in/wiki/Identify_the_class_of_the_language q9
http://gatecse.in/wiki/Identify_the_class_of_the_language $L=\{wxwy\mid w,x,y\in (a+b)^+\}$ how can this be regular? If w is not a or b?)
http://gatecse.in/wiki/Identify_the_class_of_the_language$L=\{wxwy\mid w,x,y\in (a+b)^+\}$how can this be regular? If w is not a or b?)
0 answers
23
View serializable schedules
  What are the view serializable schedules possible for this?
 What are the view serializable schedules possible for this?
1 answer
24
Unrepeatable read problem
1 answer
25
Serial schedule for the given schedule
1 answer
26
Consistency preservation
1 answer
27
BCNF
A Relation $R (A,B,C,D,E)$ with FD set $F=\{A→BCD, BC→D,D → B\}$ is given. Decompose to BCNF.
A Relation $R (A,B,C,D,E)$ with FD set $F=\{A→BCD, BC→D,D → B\}$ is given. Decompose to BCNF.
3 answers
28
decompose to 3nf
1 answer
29
hashing