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Introduction to SQL

Introduction to SQL
Which of the following must be enclosed in double quotes?

Strings
All of these
Dates
Column Alias

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Introduction to SQL
SQL provides the AS keyword, which can be used to assign meaningful column names to the results of queries using the SQL built-in functions.

True
False

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

CREATE
MAKE
ADD
INSERT

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Introduction to SQL
The SELECT statement SELECT 'Hi' FROM DUAL WHERE NULL = NULL; Outputs

TRUE
Hi
Nothing
FLASE

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Introduction to SQL
In SQL, which of the following is not a data definition language commands?

UPDATE
GRANT
RENAME
REVOKE

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Introduction to SQL
Which of the SQL statements is correct?

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

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