Introduction to Database System Which of the following refers to an entity in which the identifier of one entity includes the identifier of another entity? Weak entity Strong entity ID-independent entity ID-dependent entity Weak entity Strong entity ID-independent entity ID-dependent entity ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Given the functional dependency R → S , R is called the determinant. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The model for a record management system might be a Rolodex card file handwritten list None of these a business form All of these a Rolodex card file handwritten list None of these a business form All of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A compound key None of these both (a) and (b) is a combination of each unique key is made up a several pieces of information uniquely identifies an item in a list None of these both (a) and (b) is a combination of each unique key is made up a several pieces of information uniquely identifies an item in a list ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System SQL stands for ________ . Sequential Question Language Structured Question Language Structured Query Language Sequential Query Language Sequential Question Language Structured Question Language Structured Query Language Sequential Query Language ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In SQL, which command is used to add a column/integrity constraint to a table ALTER TABLE ADD COLUMN INSERT COLUMN MODIFY TABLE ALTER TABLE ADD COLUMN INSERT COLUMN MODIFY TABLE ANSWER DOWNLOAD EXAMIANS APP