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Introduction to SQL

Introduction to SQL
You can add a row using SQL in a database with which of the following?

INSERT
MAKE
CREATE
ADD

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Introduction to SQL
To establish a range of values, < and > can be used.

False
True

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

True
False

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Introduction to SQL
Find all the cities whose humidity is 89

SELECT humidity = 89 FROM weather;
SELECT city WHERE humidity = 89;
SELECT city FROM weather WHERE humidity = 89;
SELECT city FROM weather;

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Introduction to SQL
SQL can be used to:

All of these
create database structures only.
query database data only.
modify database data only.

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Introduction to SQL
DISTINCT and its counterpart, ALL, can be used more than once in a SELECT statement.

False
True

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