Introduction to Database System A compound key is made up a several pieces of information both (a) and (b) None of these is a combination of each unique key uniquely identifies an item in a list is made up a several pieces of information both (a) and (b) None of these is a combination of each unique key uniquely identifies an item in a list ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A _____ means that one record in a particular record type may be related to more than one record of another record type. Many-to-one relationship Many-to many relationship One-to-one relationship One-to-many relationship Many-to-one relationship Many-to many relationship One-to-one relationship One-to-many relationship ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In SQL, which command(s) is(are) used to enable/disable a database trigger? ALTER TRIGGER All of the listed here MODIFY USER CHANGE USER ALTER TRIGGER All of the listed here MODIFY USER CHANGE USER ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In a large DBMS each subschema contains every field in the logical schema each user can "see" only a small part of the entire database each user can access every sub¬schema all of the listed here each subschema contains every field in the logical schema each user can "see" only a small part of the entire database each user can access every sub¬schema all of the listed here ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Given the functional dependency R → (S,T) , then it is also true that R → S. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Keys made up of two or more attributes are called composite keys. True False True False ANSWER DOWNLOAD EXAMIANS APP
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