Introduction to Database System A primary key is a composite key that was selected to be the main identifier for the relation. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A minimum cardinality is the minimum number of entity instances that may participate in a relationship instance. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In SQL, which command is used to changes data in a table? BROWSE INSERT UPDATE APPEND BROWSE INSERT UPDATE APPEND ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In any hierarchy of data organization, the smallest entity to be processed as a single unit is called None of these data record data file data field database None of these data record data file data field database ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The PROJECT command will create new table that has none of the listed here more fields than the original table both of the listed here more rows than the original table none of the listed here more fields than the original table both of the listed here more rows than the original table ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A large computer information system maintains many different computer files. Which amongst them is called a perpetual file? Log file Master file Specialized file Update file Log file Master file Specialized file Update file ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS