Question 1

To retrieve data from multiple tables in a query you can use the ____ operator with a subquery.​

Accepted Answer

A) AND 
B) ​IN 
C) OR 
D) ​NOT 
A) AND 
B) ​IN 
C) OR 
D) ​NOT

Question 2

In small databases,there is a significant time difference between different query approaches.

Accepted Answer

A) True 
 B)False

Question 3

You can join tables by using a condition in the WHERE clause.

Accepted Answer

A) True 
 B)False

Question 4

Oracle supports the INTERSECT operator.

Accepted Answer

A) True 
 B)False

Question 5

One reason for using an alias is simplicity.

Accepted Answer

A) True 
 B)False

Question 6

Sometimes you need to list all the rows from one of the tables in a join,regardless of whether they match any rows in the other table.This type of join is called a(n)____________________ join.​

Accepted Answer

The answer of Sometimes you need to list all the...

Question 7

Why do you use the ANY and ALL operators? What is the difference between the two operators?​

Accepted Answer

You can use the ALL and ANY operators wi

Question 8

You can use the ALL and ANY operators with subqueries to produce a single column of numbers.

Accepted Answer

A) True 
 B)False

Question 9

To produce the same results as the MINUS operator,use NOT,the IN operator and a subquery.

Accepted Answer

A) True 
 B)False

Question 10

When joining tables,it is always necessary to qualify a column name.

Accepted Answer

A) True 
 B)False

Question 11

To relate two tables,in the FROM clause list all columns involved in the query.

Accepted Answer

A) True 
 B)False

Question 12

When the innermost subquery is evaluated,a permanent table is produced.

Accepted Answer

A) True 
 B)False

Question 13

The ____ of two tables is the set of all rows that are in the first table but that are not in the second table.​

Accepted Answer

A) union 
B) ​intersect 
C) intersection 
D) ​difference 
A) union 
B) ​intersect 
C) intersection 
D) ​difference

Question 14

SQL Server does not support the MINUS operator.

Accepted Answer

A) True 
 B)False

Question 15

Table A has 10 rows and table B has 7 rows.The product of Table A and Table B would have 70 rows.

Accepted Answer

A) True 
 B)False

To retrieve data from multiple tables in a query you can use the ____ operator with a subquery.

In small databases,there is a significant time difference between different query approaches.

You can join tables by using a condition in the WHERE clause.

Oracle supports the INTERSECT operator.

One reason for using an alias is simplicity.

Sometimes you need to list all the rows from one of the tables in a join,regardless of whether they match any rows in the other table.This type of join is called a(n)____________________ join.

Why do you use the ANY and ALL operators? What is the difference between the two operators?

You can use the ALL and ANY operators with subqueries to produce a single column of numbers.

To produce the same results as the MINUS operator,use NOT,the IN operator and a subquery.

When joining tables,it is always necessary to qualify a column name.

To relate two tables,in the FROM clause list all columns involved in the query.

When the innermost subquery is evaluated,a permanent table is produced.

The ____ of two tables is the set of all rows that are in the first table but that are not in the second table.

SQL Server does not support the MINUS operator.

Table A has 10 rows and table B has 7 rows.The product of Table A and Table B would have 70 rows.

Introduction to TAL Distributors, Colonial Adventure Tours, and Solmaris Condominium Group

Database Design Fundamentals

Creating Tables

Single-Table Queries

Updating Data

Database Administration

SQL Functions and Procedures

Filters

Exam 5: Multiple-Table Queries

To retrieve data from multiple tables in a query you can use the ____ operator with a subquery.​

In small databases,there is a significant time difference between different query approaches.

You can join tables by using a condition in the WHERE clause.

Oracle supports the INTERSECT operator.

One reason for using an alias is simplicity.

Sometimes you need to list all the rows from one of the tables in a join,regardless of whether they match any rows in the other table.This type of join is called a(n)____________________ join.​

Why do you use the ANY and ALL operators? What is the difference between the two operators?​

You can use the ALL and ANY operators with subqueries to produce a single column of numbers.

To produce the same results as the MINUS operator,use NOT,the IN operator and a subquery.

When joining tables,it is always necessary to qualify a column name.

To relate two tables,in the FROM clause list all columns involved in the query.

When the innermost subquery is evaluated,a permanent table is produced.

The ____ of two tables is the set of all rows that are in the first table but that are not in the second table.​

SQL Server does not support the MINUS operator.

Table A has 10 rows and table B has 7 rows.The product of Table A and Table B would have 70 rows.

Introduction to TAL Distributors, Colonial Adventure Tours, and Solmaris Condominium Group

Database Design Fundamentals

Creating Tables

Single-Table Queries

Updating Data

Database Administration

SQL Functions and Procedures

Filters

To retrieve data from multiple tables in a query you can use the ____ operator with a subquery.

Sometimes you need to list all the rows from one of the tables in a join,regardless of whether they match any rows in the other table.This type of join is called a(n)____________________ join.

Why do you use the ANY and ALL operators? What is the difference between the two operators?

The ____ of two tables is the set of all rows that are in the first table but that are not in the second table.