EXCLUDE column_list - Amazon Redshift
SyntaxParametersExamples

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EXCLUDE column_list

The EXCLUDE column_list names the columns that are excluded from the query results. Using the EXCLUDE option is helpful when only a subset of columns need to be excluded from a wide table, which is a table that contains many columns.

Syntax

EXCLUDE column_list

Parameters

column_list

A comma-separated list of one or more column names that exist in the tables referenced by the query. The column_list can optionally be enclosed in parentheses. Only column names are supported in the exclude list of column names, not expressions (such as upper(col1)) or asterisk (*).

column-name, ... | ( column-name, ... )

For example: 

SELECT * EXCLUDE col1, col2 FROM tablea;
SELECT * EXCLUDE (col1, col2) FROM tablea;

Examples

The following examples use the SALES table that contains columns: salesid, listid, sellerid, buyerid, eventid, dateid, qtysold, pricepaid, commission, and saletime. For more information about the SALES table, see Sample database.

The following example returns rows from the SALES table, but excludes the SALETIME column.

SELECT * EXCLUDE saletime FROM sales;

salesid | listid  | sellerid | buyerid | eventid | dateid  | qtysold  | pricepaid  | commission
--------+---------+----------+---------+---------+---------+----------+------------+-----------
150314  | 173969  | 48680    | 816     | 8762    | 1827    | 2        | 688        | 103.2	
8325    | 8942    | 23600    | 1078    | 2557    | 1828    | 5        | 525        |  78.75	
46807   | 52711   | 34388    | 1047    | 2046    | 1828    | 2        | 482        |  72.3	
...

The following example returns rows from the SALES table, but excludes the QTYSOLD and SALETIME columns.

SELECT * EXCLUDE (qtysold, saletime) FROM sales;

salesid | listid  | sellerid | buyerid | eventid | dateid  | pricepaid  | commission
--------+---------+----------+---------+---------+---------+------------+-----------
150314  | 173969  | 48680    | 816     | 8762    | 1827    | 688        | 103.2	
8325    | 8942    | 23600    | 1078    | 2557    | 1828    | 525        |  78.75	
46807   | 52711   | 34388    | 1047    | 2046    | 1828    | 482        |  72.3	
...

The following example creates a view that returns rows from the SALES table, but excludes the SALETIME column.

CREATE VIEW sales_view AS SELECT * EXCLUDE saletime FROM sales;
SELECT * FROM sales_view;

salesid | listid  | sellerid | buyerid | eventid | dateid  | qtysold  | pricepaid  | commission
--------+---------+----------+---------+---------+---------+----------+------------+-----------
150314  | 173969  | 48680    | 816     | 8762    | 1827    | 2        | 688        | 103.2	
8325    | 8942    | 23600    | 1078    | 2557    | 1828    | 5        | 525        |  78.75	
46807   | 52711   | 34388    | 1047    | 2046    | 1828    | 2        | 482        |  72.3	
...

The following example selects only the columns that are not excluded into a temp table.

SELECT * EXCLUDE saletime INTO TEMP temp_sales FROM sales;
SELECT * FROM temp_sales;

salesid | listid  | sellerid | buyerid | eventid | dateid  | qtysold  | pricepaid  | commission
--------+---------+----------+---------+---------+---------+----------+------------+-----------
150314  | 173969  | 48680    | 816     | 8762    | 1827    | 2        | 688        | 103.2	
8325    | 8942    | 23600    | 1078    | 2557    | 1828    | 5        | 525        |  78.75	
46807   | 52711   | 34388    | 1047    | 2046    | 1828    | 2        | 482        |  72.3	
...