Introduction to Database System Which command is used to remove an index from the database in SQL? DELETE INDEX ROLL BACK INDEX DROP INDEX REMOVE INDEX DELETE INDEX ROLL BACK INDEX DROP INDEX REMOVE INDEX ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Related fields in a data base are grouped to form data record data file None of these menu bank data record data file None of these menu bank ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Composite identifiers consist of two or more attributes. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The files stored on a secondary stage device are composed of a hierarchy of data. What does a record in a file contain? Data field Bits None of the listed here Characters Data field Bits None of the listed here Characters ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The relational model uses some unfamiliar terminology. A tuple is equivalent to a data base record field data item data base record field data item ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System If you want to organize a file in multiple ways, it is better to _____ the data rather than to sort it. None of these Sort Key Index Update Delete None of these Sort Key Index Update Delete ANSWER DOWNLOAD EXAMIANS APP
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