Example: Using UNPIVOT with the INCLUDE NULLS Clause - Advanced SQL Engine - Teradata Database

SQL Functions, Expressions, and Predicates

Product
Advanced SQL Engine
Teradata Database
Release Number
17.10
Published
July 2021
Language
English (United States)
Last Update
2021-07-28
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dita:id
B035-1145
lifecycle
previous
Product Category
Teradata Vantageā„¢

In this example, there are some rows with nulls in the sales and cogs columns. The rows are included in the output when using the INCLUDE NULLS clause.

SELECT *
FROM star1p UNPIVOT INCLUDE NULLS ((sales,cogs)  FOR  yr_qtr IN
((Q101Sales, Q101Cogs) AS 'Q101', (Q201Sales, Q201Cogs) AS 'Q201', (Q301Sales, Q301Cogs) AS 'Q301')) Tmp;

country  state    yr_qtr        sales         cogs
-------  -----   ------    -----------  -----------
Canada     BC     Q101              ?            ?
Canada     ON     Q101              ?            ?
Canada     ON     Q201             10            0
Canada     ON     Q301             10            0
USA        NY     Q101             45           25
USA        CA     Q101             30           15
Canada     BC     Q201              ?            ?
USA        NY     Q201              ?            ?
USA        CA     Q201             50           20
Canada     BC     Q301              ?            ?
USA        NY     Q301              ?            ?
USA        CA     Q301              ?            ?