Introduction to Database System Keys made up of two or more attributes are called composite keys. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System When you have finished entering information into a form All of the listed here the contents of the form are written to the data file the template is written to the data file the contents of the form can be printed All of the listed here the contents of the form are written to the data file the template is written to the data file the contents of the form can be printed ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A compound key is made up a several pieces of information both (a) and (b) is a combination of each unique key None of these uniquely identifies an item in a list is made up a several pieces of information both (a) and (b) is a combination of each unique key None of these uniquely identifies an item in a list ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following is true of a network structure? It will be the dominant data base of the future It is a physical representation of the data It is conceptually simple It allows a many-to-many relationship It will be the dominant data base of the future It is a physical representation of the data It is conceptually simple It allows a many-to-many relationship ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In SQL, which command is used to changes data in a table? UPDATE APPEND INSERT BROWSE UPDATE APPEND INSERT BROWSE ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A scheme describes All of these data elements None of these records and files record relationships All of these data elements None of these records and files record relationships ANSWER DOWNLOAD EXAMIANS APP
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