Question

Tables are joined on columns that have the same _________ and data width in the tables.

A. Data

B. Value

C. Data Type

D. Information


A


B


C


D


Question 2
The __________ returns all rows from both tables where there is a match.

A. Inner Join

B. Left outer join

C. Right Outer join

D. Full Outer Join


A


B


C


D


Question 3
Inner joins are also known as ______________.

A. Equi join

B. Semi join

C. Outer join

D. None


A


B


C


D


Question 4
A _________ key is a column with a unique value for each row.

A. Key

B. Field

C. Candidate

D. Primary


A


B


C


D


Question 5
Tables in a database can be related to each other with the help of __________.

A. Attributes

B. Tuples

C. Keys

D. Fields


A


B


C

D

Answer 1

Answer:

1. information

2. full outer join

3.

4.primary

5. keys