Data Models into Database Designs Which of the following columns is(are) are required in a table? A surrogate key A foreign key A primary key An alternate key A surrogate key A foreign key A primary key An alternate key ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs The terms alternate key and candidate key mean the same thing. True False True False ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs In a 1:1 relationship, the primary key placement is arbitrary. False True False True 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 type Null status Default value Data constraints Data type Null status Default value Data constraints ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs In 1:N relationships, which entity becomes the parent entity is arbitrary. False True False True ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs For every relationship, how many possible types of actions are there when enforcing minimum cardinalities? Six Two Three Four Six Two Three Four ANSWER DOWNLOAD EXAMIANS APP
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