COUNT(field_name) tallies only those rows that contain a value; it ignores all null values.

Introduction to SQL
COUNT(field_name) tallies only those rows that contain a value; it ignores all null values.

False

True

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Introduction to SQL
Indexes may be created or dropped at any time.

False

True

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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
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' 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;

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

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Introduction to SQL
The SQL keyword BETWEEN is used:

as a wildcard.

to limit the columns displayed.

None of these

for ranges.

as a wildcard.

to limit the columns displayed.

None of these

for ranges.

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Introduction to SQL
What is the full form of SQL?

None of these

Structured Query Language

Simple Query Language

Structured Query List

None of these

Structured Query Language

Simple Query Language

Structured Query List

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Introduction to SQL

Introduction to SQL COUNT(field_name) tallies only those rows that contain a value; it ignores all null values.

Introduction to SQL Indexes may be created or dropped at any time.

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

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 The SQL keyword BETWEEN is used:

Introduction to SQL What is the full form of SQL?

Introduction to SQL
COUNT(field_name) tallies only those rows that contain a value; it ignores all null values.

Introduction to SQL
Indexes may be created or dropped at any time.

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

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
The SQL keyword BETWEEN is used:

Introduction to SQL
What is the full form of SQL?