Introduction to Database System In SQL, which command is used to changes data in a table? APPEND UPDATE INSERT BROWSE APPEND UPDATE INSERT BROWSE 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 Data encryption techniques are particularly useful for improving data integrity reducing storage space requirements protecting data in data communication systems All of these None of these improving data integrity reducing storage space requirements protecting data in data communication systems All of these None of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A data dictionary is a special file that contains None of these the widths of all fields in all files All of these the data types of all fields in all files the names of all fields in all files None of these the widths of all fields in all files All of these the data types of all fields in all files the names of all fields in all files ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A database management system allows simultaneous access to multiple files None of the listed here Both of the listed here can do more than a record management system allows simultaneous access to multiple files None of the listed here Both of the listed here can do more than a record management system ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In SQL, which command is used to make permanent changes made by statements issue since the beginning of a transaction? ZIP PACK SAVE COMMIT ZIP PACK SAVE COMMIT ANSWER DOWNLOAD EXAMIANS APP