HUT Locks in Copy and Restore | Teradata DSA - HUT Locks in Copy and Restore Operations - BAR - Data Stream Architecture

Teradata® DSA User Guide
Deployment
VantageCloud
VantageCore
Edition
Enterprise
IntelliFlex
VMware
Product
BAR
Data Stream Architecture
Release Number
17.20
Published
November 2022
Language
English (United States)
Last Update
2023-11-30
dita:mapPath
bis1632417576364.ditamap
dita:ditavalPath
vwp1576617377804.ditaval
dita:id
cyv1467242268519
Product Category
Software
Teradata Tools and Utilities

Copy and restore operations apply exclusive host utility (HUT) locks on all objects to be copied or restored.

SQL User-Defined Function

When you copy a SQL User-Defined Function, the corresponding DBC.DBASE row is locked with a write hash lock. This prevents the user from using any Data Definition Language on that database for the dictionary phase of the copy operation.