Introduction to Database System The relational database model was created by E.F. Codd. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Periodically adding, changing and deleting file records is called file restructuring Updating renewing upgrading restructuring Updating renewing upgrading ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In SQL, which command is used to select data in rows and column from one or more tables? None of these SELECT CHOOSE BROWSE LIST None of these SELECT CHOOSE BROWSE LIST ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System When you have finished entering information into a form the contents of the form can be printed the template is written to the data file the contents of the form are written to the data file All of the listed here the contents of the form can be printed the template is written to the data file the contents of the form are written to the data file All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following refers to an entity in which the identifier of one entity includes the identifier of another entity? ID-independent entity Strong entity ID-dependent entity Weak entity ID-independent entity Strong entity ID-dependent entity Weak entity ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following products was an early implementation of the relational model developed by E.F. Codd of IBM? DB2 dBase-II IDMS R:base DB2 dBase-II IDMS R:base ANSWER DOWNLOAD EXAMIANS APP
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