16.10 - ReadLockOnly - Teradata Database

Teradata Database Utilities

Product
Teradata Database
Release Number
16.10
Published
June 2017
Language
English (United States)
Last Update
2018-04-26
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Purpose

Enables or disables the special read-or-access lock protocol on the DBC.AccessRights table during privileges validation and on other dictionary tables accessed by read-only queries during request parsing.

Field Group

Performance

Valid Settings

Setting Description
TRUE Disable the read-or-access lock protocol.
FALSE Enable the read-or-access lock protocol.

Default

FALSE

Changes Take Effect

After the DBS Control record has been written.

Usage Notes

ReadLockOnly can be set to TRUE for problem isolation troubleshooting if you suspect a concurrency issue is caused by competing locks, such as if a query returns “object does not exist” for an object that you know exists in the database.