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Answers by Shefali

0 votes
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
1 votes
2
sql query
0 votes
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 ...
0 votes
4
madeeasy test series
why table for phones is not considered here..? :)
why table for phones is not considered here..? :)
0 votes
8
database
decompose relation into 2NF ,3NF,BCNF R(ABCDE) {AB--->C, DE----->C , B------->D} R(ABCD) {AB----->C,C-------->D,D-------->A}
decompose relation into 2NF ,3NF,BCNFR(ABCDE) {AB ->C, DE ->C , B ->D}R(ABCD) {AB ->C,C >D,D >A}