DROP STATISTICS (Optimizer Form) Request | Teradata Vantage - Lock-Related Restrictions - Advanced SQL Engine - Teradata Database

SQL Data Definition Language Detailed Topics

Product
Advanced SQL Engine
Teradata Database
Release Number
17.05
17.00
Published
June 2020
Language
English (United States)
Last Update
2021-01-24
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jpx1556733107962.ditamap
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dita:id
B035-1184
lifecycle
previous
Product Category
Teradata Vantage™

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.