Data Models into Database Designs An intersection table is required to represent M:N relationships. True False True False ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs Which of the following columns is(are) are required in a table? A primary key A foreign key An alternate key A surrogate key A primary key A foreign key An alternate key A surrogate key ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs For every relationship, how many possible types of actions are there when enforcing minimum cardinalities? Two Four Three Six Two Four Three Six ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs Which of the following column properties specifies whether or not cells in a column must contain a data value? 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 In a 1:1 relationship, the foreign key is placed in: either the parent table or the child table. the child table. either table without specifying parent and child tables. the parent table. either the parent table or the child table. the child table. either table without specifying parent and child tables. the parent table. ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs Each entity is represented as a(n): file. table. tuple. attribute. file. table. tuple. attribute. ANSWER DOWNLOAD EXAMIANS APP
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