Introduction to Database System In a relation, the columns are sometimes called "attributes". True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A minimum cardinality is the minimum number of entity instances that may participate in a relationship instance. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In SQL, which command(s) is(are) used to enable/disable a database trigger? MODIFY USER CHANGE USER ALTER TRIGGER All of the listed here MODIFY USER CHANGE USER ALTER TRIGGER All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In which of the following is a single-entity instance of one type of related to a single-entity instance of another type? One-to-One Relationship One-to-Many Relationship Many-to-Many Relationship Composite Relationship One-to-One Relationship One-to-Many Relationship Many-to-Many Relationship Composite Relationship ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A form defines where data is placed on the screen none of the listed here both of the listed here the width of each field where data is placed on the screen none of the listed here both of the listed here the width of each field ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System If a piece of data is stored in two places in the database, then storage space is wasted None of these changing the data is one spot will cause data inconsistency both (a) and (b) it can be more easily accessed storage space is wasted None of these changing the data is one spot will cause data inconsistency both (a) and (b) it can be more easily accessed ANSWER DOWNLOAD EXAMIANS APP