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Negative Conditions: NOTLocate this document in the navigation structure

Use

To obtain the opposite of a particular condition, you have to place the keyword NOT before the relevant expression. If you want to negate a compound expression, you have to place it in parentheses.

Prerequisites

You can use the demo data for the SQL tutorial. Start the Database Studio as database administrator MONA with the password RED and log on to demo database DEMODB: Logging On to a Database.

Activities

You can use Database Studio to enter and execute SQL statements. More information: Working with SQL Statements: Overview

Negating an Expression

SELECT name, state

  FROM hotel.city

    WHERE NOT (state = 'CA' OR state = 'WA' OR state = 'IL' OR state = 'NY')

Selecting cities that are not in the states of CA, WA, IL or NY

Result

NAME

STATE

Silver Spring

MD

Daytona Beach

FL

Deerfield Beach

FL

Clearwater

FL

Cincin n a ti

OH

Detroit

MI

New Orleans

LA

Dallas

TX

Portland

OR

See also: SQL Reference Manual, Search Condition (search_condition)

When the BETWEEN, IN, LIKE and NULL predicates are used, you can place NOT before the predicate or immediately before the relevant keyword ( BETWEEN, IN, LIKE, NULL).

NOT BETWEEN

SELECT name, state

  FROM hotel.city

    WHERE NOT (state BETWEEN 'CA' AND 'NY')

or

SELECT name, state

  FROM hotel.city

    WHERE state NOT BETWEEN 'CA' AND 'NY'

Selecting cities that are not in the states of CA, FL, IL, LA, MD, MI or NY

Result

NAME

STATE

Seattle

WA

Seattle

WA

Seattle

WA

Cincinnati

OH

Dallas

TX

Portland

OR

See also: SQL Reference Manual, BETWEEN Predicate (between_predicate)

NOT IN

SELECT name, state

  FROM hotel.city

    WHERE NOT (state IN ('CA','IL','NY'))

or

SELECT name, state

  FROM hotel.city

    WHERE state NOT IN ('CA','IL','NY')

Selecting cities that are not in the states of CA, IL or NY

Result

NAME

STATE

Seattle

WA

Seattle

WA

Seattle

WA

Silver Spring

MD

Daytona Beach

FL

Deerfield Beach

FL

Clearwater

FL

Cincin na ti

OH

Detroit

MI

New Orleans

LA

Dallas

TX

Portland

OR

See also: SQL Reference Manual, IN Predicate (in_predicate)

NOT LIKE

SELECT firstname, name

  FROM hotel.customer

    WHERE NOT (firstname LIKE '%e%')

or

SELECT firstname, name

  FROM hotel.customer

    WHERE firstname NOT LIKE '%e%'

Selecting the customers whose first names do not contain e

Result

FIRSTNAME

NAME

Mary

Griffith

Martin

Randolph

Sally

Smith

Rita

Doe

Frank

Miller

Susan

Baker

Antony

Jenkins

See also: SQL Reference Manual, LIKE Predicate (like_predicate)

NOT NULL

SELECT firstname, name

  FROM hotel.customer

    WHERE NOT (firstname IS NULL)

or

SELECT firstname, name

  FROM hotel.customer

    WHERE firstname IS NOT NULL

Selecting the customers with a first name, that is, customers who are not companies

Result

FIRSTNAME

NAME

Jenny

Porter

Peter

Brown

Rose

Brian

Mary

Griffith

Martin

Randolph

Sally

Smith

Mike

Jackson

Rita

Doe

George

Howe

Frank

Miller

Susan

Baker

Joseph

Peters

Antony

Jenkins

See also: SQL Reference Manual, NULL Predicate (null_predicate), Predicate (predicate)

More Information

More examples for Data Query