Data Models into Database Designs Surrogate keys have much meaning for users. True False True False ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs When transforming an entity-relationship model into a relational database design, each entity is represented as a table. 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? An alternate key A surrogate key A foreign key A primary key An alternate key A surrogate key A foreign key A primary key ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs Which is not true about surrogate keys? They are fixed. They are short. They have meaning to the user. They are numeric. They are fixed. They are short. They have meaning to the user. They are numeric. 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? Default value Data type Null status Data constraints Default value Data type Null status Data constraints 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 surrogate key the primary key any alternate key a foreign key a surrogate key the primary key any alternate key a foreign key ANSWER DOWNLOAD EXAMIANS APP
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