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Introduction to SQL

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
SQL query and modification commands make up a(n) ________ .

HTML
DDL
DML
XML

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

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

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Introduction to SQL
The SQL statement: SELECT Number1 + Number 2 AS Total FROM NUMBER_TABLE; adds two numbers from each row together and lists the results in a column named Total.

False
True

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Introduction to SQL
Scalar aggregate are multiple values returned from an SQL query that includes an aggregate function.

False
True

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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
CHANGE TABLE
MODIFY TABLE

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