Introduction to Database System Which of the following is NOT a basic element of all versions of the E-R model? Primary keys Entities Relationships Attributes Primary keys Entities Relationships Attributes ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Composite identifiers consist of two or more attributes. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following is not the responsibility of the utilities component of DBMS software? None of these removing flagged records for deletion creating the physical and logical designs creating and maintaining the data dictionary monitoring performance None of these removing flagged records for deletion creating the physical and logical designs creating and maintaining the data dictionary monitoring performance ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A database management system might consist of application programs and a software package called AUTOFLOW TOTAL BPL FORTRAN AUTOFLOW TOTAL BPL FORTRAN ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following is a group of one or more attributes that uniquely identifies a row? Tuple Determinant Relation Key Tuple Determinant Relation Key ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A key: identifies a row. can only be one column. must always be composed of two or more columns. identifies a column. identifies a row. can only be one column. must always be composed of two or more columns. identifies a column. ANSWER DOWNLOAD EXAMIANS APP
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