Introduction to Database System Which of the following is not a restriction for a table to be a relation? The cells of the table must contain a single value. The columns must be ordered. All of the entries in any column must be of the same kind. No two rows in a table may be identical. The cells of the table must contain a single value. The columns must be ordered. All of the entries in any column must be of the same kind. No two rows in a table may be identical. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Entities can be associated with one another in which of the following? Attributes Identifiers Relationships Entities Attributes Identifiers Relationships Entities ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System One approach to standardizing storing of data None of these structured programming All of these MIS CODASYL specifications None of these structured programming All of these MIS CODASYL specifications ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A key is a group of one or more attributes that uniquely identifies a row. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System One data dictionary software package is called TOTAL None of these any of the above ACCESS DB/DC dictionary TOTAL None of these any of the above ACCESS DB/DC dictionary ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A maximum cardinality is the maximum number of entity instances that can participate in a relationship instance. False True False True ANSWER DOWNLOAD EXAMIANS APP
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