A tuple is a(n): column of a table. row of a table. key of a table. two dimensional table. TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following indicates the maximum number of entities that can be involved in a relationship? Greater Entity Count (GEC) Minimum cardinality Maximum cardinality ERD TRUE ANSWER : ? YOUR ANSWER : ?
Embedded pointer provide a secondary access path All of these a physical record key None of these an inverted index TRUE ANSWER : ? YOUR ANSWER : ?
In SQL, which command is used to remove a stored function from the database? DELETE FUNCTION DROP FUNCTION REMOVE FUNCTION ERASE FUNCTION None of these TRUE ANSWER : ? YOUR ANSWER : ?
In a relation, the columns are sometimes called "attributes". False True TRUE ANSWER : ? YOUR ANSWER : ?
After you _____ a record, many data management the environments require you to issue a command to save the changes you made. Delete Update Index Sort key TRUE ANSWER : ? YOUR ANSWER : ?
The model for a _____ resembles the hierarchical model in many respects. Relational database Network database Hierarchical database None of these Distributed database TRUE ANSWER : ? YOUR ANSWER : ?
An attribute is a(n): two dimensional table. column of a table. key of a table. row of a table. TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following is not the responsibility of the utilities component of DBMS software? None of these creating and maintaining the data dictionary monitoring performance creating the physical and logical designs removing flagged records for deletion TRUE ANSWER : ? YOUR ANSWER : ?
A multiple-form file management system allow you to entry data in all the forms None of these lets you define different forms for different operations lets you create a look-up form with an associated read-only password to prevent access by unauthorized users both (a) and (b) TRUE ANSWER : ? YOUR ANSWER : ?