Introduction to Database System In SQL, which command(s) is(are) used to enable/disable a database trigger? CHANGE USER MODIFY USER ALTER TRIGGER All of the listed here CHANGE USER MODIFY USER ALTER TRIGGER All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The physical location of a record is determined by a mathematical formula that transforms a file key into a record location in None of these an indexed file a tree file a sequential file a hashed file None of these an indexed file a tree file a sequential file a hashed file ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A relation is in this form if it is in BCNF and has no multivalued dependencies: fourth normal form. third normal form. domain/key normal form. second normal form. fourth normal form. third normal form. domain/key normal form. second normal form. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In which of the following is a single-entity instance of one type related to many entity instances of another type? Composite Relationship 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 ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A candidate key is a determinant that determines all the other columns is a relation. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A recursive relationship is a relationship between an archetype and an instance of that archetype. False True False True ANSWER DOWNLOAD EXAMIANS APP
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