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31. In a relational schema, each tuple is divided into fields called
a. Relations
b. Domains
c. Queries
d. All of these
e. None of these
a. Relations
b. Domains
c. Queries
d. All of these
e. None of these
32. An indexing operation
a. Sorts a file using a single key
b. Sorts file using two keys
c. Establishes an index for a file
d. Both a and b
e. None of these
33. Data security threats include
a. Hardware failure
b. Privacy invasion
c. Fraudulent manipulation of data
d. All of these
e. None of these
thanku mam.
ReplyDeletepls upload pdf file of it..
ReplyDeletejitna milta he bhgwaan ka prshaad smjh k le lia kro.. ;-)
DeleteGr8 work friend.... keep it up!!!!!
ReplyDeleteisn't the answer for 34th question QUERY LANGUAGE?? if not what is the difference?
ReplyDelete