Data Models into Database Designs The identifier of an entity will become the ________ of the new table. foreign key identity key primary key main attribute foreign key identity key primary key main attribute ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs The DBMS allows surrogate keys to be changed. 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 foreign key A surrogate key A primary key An alternate key A foreign key A surrogate key A primary key ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs The terms alternate key and candidate key mean the same thing. False True False True ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs An ideal primary key is short, numeric and seldom changing. 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? Two Six Three Four Two Six Three Four ANSWER DOWNLOAD EXAMIANS APP
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