15.00 - WDBD - Teradata Database

Teradata Database Support Utilities

prodname
Teradata Database
vrm_release
15.00
category
Configuration
featnum
B035-1180-015K

WDBD

Purpose  

The WDBD (WAL Data Block Descriptors) command shows a formatted display of the WDBDs in the current WCI.

Syntax  

Note: The online help lists the display options (/S, /X, /H) as /dispopt.

 

Syntax Element

Description

/S

Displays the WDBDs in a short format. This is the default.

/X

Displays the WDBDs in an extended format.

/H

Displays all of the WDBDs, followed by a display of the WDBDs in hexadecimal.

WLSN = WlsnNum

Specifies a WAL log sequence number for which WDBDs will be displayed.

WlsnNum is an 64-bit value, the format of which is determined by the radix setting. For more information, see “RADIX” on page 177.

SECTOR = sectornum

Specifies a sector number for which WDBDs will be displayed.

sectornum is a hexadecimal or decimal value, subject to the radix setting. For more information, see “RADIX” on page 177.

Usage Notes  

WDBDs are used to determine which WDBs exists and where they are located on a cylinder.

The WDBD command must be invoked from a WCI or WCI:WDBD context. The resulting context is the selected range of WDBDs within the WCI.