Data Models into Database Designs Which of the following column properties would be used to specify that cells in a column must contain a monetary value? Default value Null status Data constraints Data type Default value Null status Data constraints Data type ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs If a relationship has a cascade updates constraint, then if ________ in the parent table is changed, then the same change will automatically be made to any corresponding foreign key value. a foreign key the primary key any alternate key a surrogate key a foreign key the primary key any alternate key a surrogate key ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs Which constraint requires that the binary relationship indicate all combinations that must appear in the ternary relationship? Both of the above MUST NOT MUST COVER None of these Both of the above MUST NOT MUST COVER None of these 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 Each entity is represented as a(n): attribute. tuple. table. file. attribute. tuple. table. file. ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs A foreign key is: All of these used to define data types. a column containing the primary key of another table. used to define null status. All of these used to define data types. a column containing the primary key of another table. used to define null status. ANSWER DOWNLOAD EXAMIANS APP
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