To remove duplicate rows from the results of an SQL SELECT statement, the ________ qualifier specified must be included.

Introduction to SQL
To remove duplicate rows from the results of an SQL SELECT statement, the ________ qualifier specified must be included.

ONLY

SINGLE

DISTINCT

UNIQUE

ONLY

SINGLE

DISTINCT

UNIQUE

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Introduction to SQL
The condition in a WHERE clause can refer to only one value.

False

True

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Introduction to SQL
Table Employee has 10 records. It has a non-NULL SALARY column which is also UNIQUE.The SQL statementSELECT COUNT(*) FROM Employee WHERE SALARY > ANY (SELECT SALARY FROM EMPLOYEE);prints

5

0

10

9

5

0

10

9

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Introduction to SQL
Find the name of those cities with temperature and condition whose condition is either sunny or cloudy but temperature must be greater than 70oF.

SELECT city, temperature, condition FROM weather WHERE condition = 'sunny' AND condition = 'cloudy' AND temperature > 70;

SELECT city, temperature, condition FROM weather WHERE condition = 'sunny' AND condition = 'cloudy' OR temperature > 70;

SELECT city, temperature, condition FROM weather WHERE condition = 'sunny' OR condition = 'cloudy' OR temperature > 70;

SELECT city, temperature, condition FROM weather WHERE condition = 'sunny' OR condition = 'cloudy' AND temperature > 70;

SELECT city, temperature, condition FROM weather WHERE condition = 'sunny' AND condition = 'cloudy' AND temperature > 70;

SELECT city, temperature, condition FROM weather WHERE condition = 'sunny' AND condition = 'cloudy' OR temperature > 70;

SELECT city, temperature, condition FROM weather WHERE condition = 'sunny' OR condition = 'cloudy' OR temperature > 70;

SELECT city, temperature, condition FROM weather WHERE condition = 'sunny' OR condition = 'cloudy' AND temperature > 70;

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Introduction to SQL
Which of the following is a SQL aggregate function?

AVG

LEN

JOIN

LEFT

AVG

LEN

JOIN

LEFT

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Introduction to SQL
Which of the following is the original purpose of SQL?

To define the data structures

All of these

To specify the syntax and semantics of SQL manipulation language

To specify the syntax and semantics of SQL data definition language

To define the data structures

All of these

To specify the syntax and semantics of SQL manipulation language

To specify the syntax and semantics of SQL data definition language

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Introduction to SQL

Introduction to SQL To remove duplicate rows from the results of an SQL SELECT statement, the ________ qualifier specified must be included.

Introduction to SQL The condition in a WHERE clause can refer to only one value.

Introduction to SQL Table Employee has 10 records. It has a non-NULL SALARY column which is also UNIQUE.The SQL statementSELECT COUNT(*) FROM Employee WHERE SALARY > ANY (SELECT SALARY FROM EMPLOYEE);prints

Introduction to SQL Find the name of those cities with temperature and condition whose condition is either sunny or cloudy but temperature must be greater than 70oF.

Introduction to SQL Which of the following is a SQL aggregate function?

Introduction to SQL Which of the following is the original purpose of SQL?

Introduction to SQL
To remove duplicate rows from the results of an SQL SELECT statement, the ________ qualifier specified must be included.

Introduction to SQL
The condition in a WHERE clause can refer to only one value.

Introduction to SQL
Table Employee has 10 records. It has a non-NULL SALARY column which is also UNIQUE.The SQL statementSELECT COUNT(*) FROM Employee WHERE SALARY > ANY (SELECT SALARY FROM EMPLOYEE);prints

Introduction to SQL
Find the name of those cities with temperature and condition whose condition is either sunny or cloudy but temperature must be greater than 70oF.

Introduction to SQL
Which of the following is a SQL aggregate function?

Introduction to SQL
Which of the following is the original purpose of SQL?