The index consists of All of these both (a) and (b) pointers to the master list None of these a list of keys TRUE ANSWER : ? YOUR ANSWER : ?
In a relational schema, each tuple is divided into fields called Domains Queries All of the listed here Relations TRUE ANSWER : ? YOUR ANSWER : ?
An-owner-member set in the CODASYL specifications may have only one member but many member occurrence All of the listed here only one owner but many owner occurrences more than one member but only one occurrence per member TRUE ANSWER : ? YOUR ANSWER : ?
Given the functional dependency R → S , R is called the determinant. True False TRUE ANSWER : ? YOUR ANSWER : ?
A scheme describes None of these data elements record relationships All of these records and files TRUE ANSWER : ? YOUR ANSWER : ?
The model for a record management system might be None of these handwritten list a business form a Rolodex card file All of these TRUE ANSWER : ? YOUR ANSWER : ?
When performing a look-up operation using a form None of these you enter the search value into the form you type the key in an entry line, and the correct form is displayed you look at each form sequentially until you see the one you want All of these TRUE ANSWER : ? YOUR ANSWER : ?
A primary key is a composite key that was selected to be the main identifier for the relation. True False TRUE ANSWER : ? YOUR ANSWER : ?
An indexing operation sorts a file using a single key None of the listed here establishes an index for a file sorts file using two keys TRUE ANSWER : ? YOUR ANSWER : ?