7.00.02 - LAG and LEAD Expression Rules - Aster Analytics
Teradata Aster® Analytics Foundation User GuideUpdate 2
- Aster Analytics
- Release Number
- Release Date
- September 2017
- Content Type
- Programming Reference
- User Guide
- Publication ID
- English (United States)
- A symbol definition can have multiple LAG expressions.
- A symbol definition that has a LAG expression cannot have an OR operator.
- If a symbol definition has a LAG expression and the input is not a table, you must create an alias of the input query, as in LAG and LEAD Expressions Example 1.