<SEC-DOCUMENT>0000816761-19-000021-index.html : 20190625
<SEC-HEADER>0000816761-19-000021.hdr.sgml : 20190625
<ACCEPTANCE-DATETIME>20190625160127
ACCESSION NUMBER:		0000816761-19-000021
CONFORMED SUBMISSION TYPE:	11-K
PUBLIC DOCUMENT COUNT:		2
CONFORMED PERIOD OF REPORT:	20181231
FILED AS OF DATE:		20190625
DATE AS OF CHANGE:		20190625

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			TERADATA CORP /DE/
		CENTRAL INDEX KEY:			0000816761
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-PREPACKAGED SOFTWARE [7372]
		IRS NUMBER:				753236470
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		11-K
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-33458
		FILM NUMBER:		19918511

	BUSINESS ADDRESS:	
		STREET 1:		10000 INNOVATION DRIVE
		CITY:			DAYTON
		STATE:			OH
		ZIP:			45342
		BUSINESS PHONE:		937-242-4800

	MAIL ADDRESS:	
		STREET 1:		10000 INNOVATION DRIVE
		CITY:			DAYTON
		STATE:			OH
		ZIP:			45342
</SEC-HEADER>
<DOCUMENT>
<TYPE>11-K
<SEQUENCE>1
<FILENAME>tdc1231201811-k.htm
<DESCRIPTION>11-K
<TEXT>
Document 1 - file: tdc1231201811-k.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-23
<SEQUENCE>2
<FILENAME>a2018exhibit23.htm
<DESCRIPTION>EXHIBIT 23
<TEXT>
Document 2 - file: a2018exhibit23.htm

</DOCUMENT>
</SEC-DOCUMENT>