Entities can be associated with one another in which of the following? Relationships Attributes Identifiers Entities TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following contains a complete record of all activity that affected the contents of a database during a certain period of time? data manipulation language transaction log report writer None of these query language TRUE ANSWER : ? YOUR ANSWER : ?
A form defines the width of each field where data is placed on the screen both of the listed here none of the listed here TRUE ANSWER : ? YOUR ANSWER : ?
One of the reasons why OODBMSs have not been widely used for business information systems is that OOP is obsolete. False True TRUE ANSWER : ? YOUR ANSWER : ?
The only reason for the existence of relations is to store instances of functional dependencies. True False TRUE ANSWER : ? YOUR ANSWER : ?
If you want to group the records in the abc database, you could use the Jobcode as the _____. Delete Sort Key Index Update TRUE ANSWER : ? YOUR ANSWER : ?
The distinguishable parts of a record are called data fields database None of these files TRUE ANSWER : ? YOUR ANSWER : ?
A relation is in this form if it is in BCNF and has no multivalued dependencies: second normal form. third normal form. fourth normal form. domain/key normal form. TRUE ANSWER : ? YOUR ANSWER : ?
If you want to organize a file in multiple ways, it is better to _____ the data rather than to sort it. Update None of these Index Delete Sort Key TRUE ANSWER : ? YOUR ANSWER : ?