Introduction to Database System Prior to 1970, all data was stored in separate files, which were mostly stored on reels of magnetic tape. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A key is a group of one or more attributes that uniquely identifies a row. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A race condition occurs when Two concurrent activities interact to cause a processing error None of the listed here Both of the listed here two users of the DBMS are interacting with different files at the same time Two concurrent activities interact to cause a processing error None of the listed here Both of the listed here two users of the DBMS are interacting with different files at the same time ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In a relation, the order of the columns does not matter. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Large collections of files are called None of these file system records fields databases None of these file system records fields databases ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Data security threats include fraudulent manipulation of data hardware failure privacy invasion all of the listed here fraudulent manipulation of data hardware failure privacy invasion all of the listed here ANSWER DOWNLOAD EXAMIANS APP
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