Introduction to Database System Composite identifiers consist of two or more attributes. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In a relation, the order of the columns does not matter. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System If the record management system allows you to edit values before they are recorded on disk, you can change the name of a field All of the listed here correct spelling changes before they are recorded change the width of a field change the name of a field All of the listed here correct spelling changes before they are recorded change the width of a field ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A relational database management (RDBM) package manages data in more than one file at once. How does it organize these file? As tuple both (a) and (b) None of these tables relations tuple both (a) and (b) None of these tables relations ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A compound key both (a) and (b) uniquely identifies an item in a list is made up a several pieces of information None of these is a combination of each unique key both (a) and (b) uniquely identifies an item in a list is made up a several pieces of information None of these is a combination of each unique key ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A subtype entity is a special case of another entity called a supertype entity. False True False True ANSWER DOWNLOAD EXAMIANS APP
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