GROUP BY Clause Syntax | Teradata Vantage - 17.05 - GROUP BY Clause Syntax - Advanced SQL Engine - Teradata Database

Teradata Vantage™ - SQL Data Manipulation Language

Product
Advanced SQL Engine
Teradata Database
Release Number
17.05
Release Date
January 2021
Content Type
Programming Reference
Publication ID
B035-1146-175K
Language
English (United States)

Syntax Elements

GROUP BY group_by_spec [,...]
group_by_spec
{ ordinary_grouping_set |
  empty_grouping_set |
  rollup_list |
  cube_list |
  grouping_sets_specification
}
ordinary_grouping_set
Column expression by which the rows returned by the statement are grouped.
You cannot specify BLOB, CLOB, Period, ARRAY, VARRAY, XML, or JSON columns in the grouping expression.
ordinary_grouping_set can include:
  • column_name
  • column_position
  • column_expression
For the definitions of these expressions, see Ordinary Grouping Set Expressions.
empty_grouping_set
Contiguous LEFT PARENTHESIS, RIGHT PARENTHESIS pair without an argument. You use this syntax to request a grand total, that is, a summation of all the individual group totals, not a summation of the nonaggregate data.
The term grand total refers to .
rollup_list
ROLLUP expression that reports result rows in a single dimension with one or more levels of detail. For more information, see ROLLUP Option.
The expression cannot group result rows that have a BLOB, CLOB, ARRAY, or VARRAY type.
cube_list
A CUBE expression that reports result rows in multiple dimensions with one or more levels of detail. For more information, see CUBE Option.
The expression cannot group result rows that have a BLOB, CLOB, ARRAY, or VARRAY type.
grouping_sets_specification
A GROUPING SETS expression that reports result rows in one of two ways:
  • As a single dimension, but without a full ROLLUP.
  • As multiple dimensions, but without a full CUBE.
For more information, see GROUPING SETS Option.