16.20 - Lock-Related Restrictions - Teradata Database - Teradata Vantage NewSQL Engine

Teradata Vantage™ SQL Data Definition Language Detailed Topics

Product
Teradata Database
Teradata Vantage NewSQL Engine
Release Number
16.20
Release Date
March 2019
Content Type
Programming Reference
Publication ID
B035-1184-162K
Language
English (United States)

The system places row-hash-level WRITE locks on DBC.StatsTbl while dropping statistics. These locks prevent parsing of new requests against the data table for which the statistics had been collected until the drop operation completes.