-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
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 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 JaqDySqBNa0a1yXD+twdxJufSzsqh7dS/RkKkUJKiXBOtKzGuDqV5qTvtbwKbs2m
 86DiytN0s8jzp+EQLIye1A==

<SEC-DOCUMENT>0001181431-09-000854.txt : 20090105
<SEC-HEADER>0001181431-09-000854.hdr.sgml : 20090105
<ACCEPTANCE-DATETIME>20090105163918
ACCESSION NUMBER:		0001181431-09-000854
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20081231
FILED AS OF DATE:		20090105
DATE AS OF CHANGE:		20090105

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Fair Robert
		CENTRAL INDEX KEY:			0001410633

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-33458
		FILM NUMBER:		09505845

	BUSINESS ADDRESS:	
		BUSINESS PHONE:		937-242-4030

	MAIL ADDRESS:	
		STREET 1:		2835 MIAMI VILLAGE DR
		CITY:			MIAMISBURG
		STATE:			OH
		ZIP:			45342

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			TERADATA CORP /DE/
		CENTRAL INDEX KEY:			0000816761
		STANDARD INDUSTRIAL CLASSIFICATION:	ELECTRONIC COMPUTERS [3571]
		IRS NUMBER:				753236470
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		2835 MIAMI VILLAGE DR
		CITY:			MIAMISBURG
		STATE:			OH
		ZIP:			45342
		BUSINESS PHONE:		937-242-4800

	MAIL ADDRESS:	
		STREET 1:		2835 MIAMI VILLAGE DR
		CITY:			MIAMISBURG
		STATE:			OH
		ZIP:			45342
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>rrd228452.xml
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0303</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2008-12-31</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000816761</issuerCik>
        <issuerName>TERADATA CORP /DE/</issuerName>
        <issuerTradingSymbol>TDC</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001410633</rptOwnerCik>
            <rptOwnerName>Fair Robert</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>2835 MIAMI VILLAGE DR</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>MIAMISBURG</rptOwnerCity>
            <rptOwnerState>OH</rptOwnerState>
            <rptOwnerZipCode>45342</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>EVP, Global Field Operations</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2008-12-31</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>F</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>331</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>14.83</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>40532</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Shares withheld by the company to satisfy tax obligation upon vesting of restricted stock units.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>Margaret A. Treese, Attorney-in-fact for Robert Fair</signatureName>
        <signatureDate>2009-01-05</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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