Exam 2: The Relational : Introduction, QBE, and Relational Algebra

arrow
  • Select Tags
search iconSearch Question
  • Select Tags

A(n)____________________ database is a collection of tables.​

(Short Answer)
4.9/5
(31)

The relationships between tables are handled through ____________________ columns.​

(Short Answer)
4.9/5
(36)

A column whose value uniquely identifies a given row in the table is the secondary key.​

(True/False)
4.9/5
(27)

A relation is a(n)____.​

(Multiple Choice)
4.8/5
(31)

​The comparison operators are also known as relational operators.

(True/False)
4.8/5
(31)

When a structure satisfies all the properties of a relation except for the first item-in other words,some entries contain repeating groups and thus are not single-valued-it is referred to as a(n)____________________.​

(Short Answer)
4.9/5
(41)

The compound criteria (conditions)are created by using ____.​

(Multiple Choice)
5.0/5
(35)

Based on the Customer table below,which command lists all information from the table concerning customer 260?​ CustomerNum CustomerName Street City State PostalCode 126 Toys Galore 28 Laketon St. Fulton CA 90085 260 Brookings Direct 452 Columbus Dr. Grove CA 90092

(Multiple Choice)
4.8/5
(28)

In a relation,the order of rows is important.​

(True/False)
4.8/5
(41)

​Conditions that data must satisfy are called ____________________.

(Short Answer)
4.9/5
(45)
Showing 41 - 50 of 50
close modal

Filters

  • Essay(0)
  • Multiple Choice(0)
  • Short Answer(0)
  • True False(0)
  • Matching(0)