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Introduction to SQL

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

UPDATE
SAVE
MODIFY
SAVE AS

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

All of these
Dates
Column Alias
Strings

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Introduction to SQL
Which of the following do you need to consider when you make a table in SQL?

Primary keys
Default values
All of these
Data types

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

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

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Introduction to SQL
If you are going to use a combination of three or more AND and OR conditions, it is often easier to use the NOT and NOT IN operators.

False
True

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Introduction to SQL
Which of the following is valid SQL for an Index?

CHANGE INDEX ID;
ADD INDEX ID;
REMOVE INDEX ID;
CREATE INDEX ID;

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