Results of Aggregation on Zero Rows - 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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SQL_Functions__Expressions__and_Predicates.Upload_071421/djk1612415574830.ditamap
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SQL_Functions__Expressions__and_Predicates.Upload_071421/wrg1590696035526.ditaval
dita:id
B035-1145
lifecycle
previous
Product Category
Teradata Vantage™

Aggregation on zero rows behaves as indicated by the following table.

This form of aggregate function … Returns this result when there are zero rows …
COUNT(expression) WHERE … 0
all other forms of aggregate_operator (expression) WHERE … Null
aggregate_operator (expression) … GROUP BY …

aggregate_operator (expression) … HAVING …

No Record Found