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Introduction to SQL

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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Introduction to SQL
In SQL, which command(s) is(are) used to change a table's storage characteristics?

All of these
ALTER TABLE
MODIFY TABLE
CHANGE TABLE

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Introduction to SQL
The SQL statement: SELECT Name, COUNT(*) FROM NAME_TABLE; counts the number of name rows and displays this total in a table with a single row and a single column.

True
False

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

Default values
Data types
All of these
Primary keys

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Introduction to SQL
A subquery in an SQL SELECT statement is enclosed in:

parenthesis -- (...) .
braces -- {...}.
CAPITAL LETTERS.
brackets -- [...].

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Introduction to SQL
To sort the results of a query use:

SORT BY.
GROUP BY.
ORDER BY.
None of these

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