Example: Subquery in PIVOT IN-List - Analytics Database - Teradata Vantage

SQL Functions, Expressions, and Predicates

Deployment
VantageCloud
VantageCore
Edition
Enterprise
IntelliFlex
VMware
Product
Analytics Database
Teradata Vantage
Release Number
17.20
Published
June 2022
Language
English (United States)
Last Update
2024-01-12
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lifecycle
latest
Product Category
Teradata Vantageā„¢

This is an example of having a subquery in PIVOT IN-list.

Table s1 is defined as:

CREATE TABLE s1(yr INTEGER, mon VARCHAR (5), sales INTEGER);
CREATE TABLE s2(yr INTEGER, mon VARCHAR (5), sales INTEGER);

The table contains:

SELECT * FROM s1;
yr      mon      sales
-----   ---      -----
2001    Jan       100
2003    Jan       300
2002    Jan       150
2001    Feb       110
2003    Feb       310
2002    Feb       200
2001    Mar       120
2002    Mar       250

SELECT * FROM s2;
 yr     mon      sales
-----  -----    -------
2001    Jan       100
2002    Mar       250
2003    Feb       310
The table as a source to a PIVOT query having a subquery in PIVOT IN-list:
SELECT * FROM s1 PIVOT (SUM (sales) FOR mon in (SELECT mon FROM s2)) dt;

The output pivoted table:

*** Query completed. 3 rows found. 4 columns returned.
 *** Total elapsed time was 1 second.

         yr        'Feb'        'Jan'        'Mar'
-----------  -----------  -----------  -----------
       2001          110          100          120
       2003          310          300           ?
       2002          200          150          250