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Introduction to SQL

Introduction to SQL
There is an equivalent join expression that can be substituted for all subquery expressions.

False
True

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

MAKE
ADD
INSERT
CREATE

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Introduction to SQL
Which SQL statement is used to update data in a database?

SAVE AS
UPDATE
SAVE
MODIFY

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

True
False

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Introduction to SQL
Which of the SQL statements is correct?

None of these
SELECT Username, Password FROM Users
SELECT Username, Password WHERE Username = 'user1'
SELECT Username AND Password FROM Users

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Introduction to SQL
Let the statementSELECT column1 FROM myTable;return 10 rows. The statementSELECT ALL column1 FROM myTable;will return

None of these
exactly 10 rows
less than 10 rows
more than 10 rows

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