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

Teradata Database SQL Data Definition Language Detailed Topics

prodname
Teradata Database
vrm_release
15.00
category
Programming Reference
featnum
B035-1184-015K

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.