Data Models into Database Designs Each entity is represented as a(n): tuple. file. table. attribute. tuple. file. table. attribute. ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs Which of the following column properties would be used to specify that cells in a column must be immediately filled with a monetary value of $10,000? Data constraints Data type Default value Null status Data constraints Data type Default value Null status ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs For every relationship, there are six possible sets of minimum cardinalities. True False True False ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs A unique, DBMS-supplied identifier used as the primary key of a relation is called a(n): surrogate key. foreign key. composite key. primary key. surrogate key. foreign key. composite key. primary key. ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs When the parent entity is required, a new child row can always be inserted. False True False True ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs When the child entity is required, we are restricted from creating a new parent row without also creating a corresponding child row at the same time. False True False True ANSWER DOWNLOAD EXAMIANS APP
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