CHECKSUM - Advanced SQL Engine - Teradata Database

SQL Data Definition Language Syntax and Examples

Product
Advanced SQL Engine
Teradata Database
Release Number
17.00
Published
September 2020
Language
English (United States)
Last Update
2021-01-23
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B035-1144
lifecycle
previous
Product Category
Teradata Vantage™

A table-specific disk I/O integrity checksum. Specifies the integrity checking level.

The checksum setting applies to primary data rows, fallback data rows, and all secondary index rows for the table.

If you do not specify a value, then the system assumes the system-wide default value for this table type. This is equivalent to specifying DEFAULT.

If you are changing the checksum for this table to the system-wide default value, then specify DEFAULT.

ON
Calculate checksums using the entire disk block. Sample 100% of the disk blocks to generate a checksum. ON is equivalent to ALL, which is deprecated.
OFF
Disables checksum disk I/O integrity checks. OFF is equivalent to NONE, which is deprecated.
DEFAULT
The default setting is the current DBS Control checksum setting specified for this table type.