15.00 - Effect of Changing Column Data Type on Statistics - Teradata Database

Teradata Database SQL Data Definition Language Detailed Topics

Product
Teradata Database
Release Number
15.00
Content Type
Programming Reference
Publication ID
B035-1184-015K
Language
English (United States)

Effect of Changing Column Data Type on Statistics

If you change the data type of a column, Teradata Database no longer uses the statistics that reference the column. Recollecting the statistics on the modified column makes them usable again.