<SEC-DOCUMENT>0001209191-21-015472.txt : 20210301
<SEC-HEADER>0001209191-21-015472.hdr.sgml : 20210301
<ACCEPTANCE-DATETIME>20210301200055
ACCESSION NUMBER:		0001209191-21-015472
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20210225
FILED AS OF DATE:		20210301
DATE AS OF CHANGE:		20210301

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Ashton Hillary
		CENTRAL INDEX KEY:			0001822747

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-33458
		FILM NUMBER:		21700618

	MAIL ADDRESS:	
		STREET 1:		17095 VIA DEL CAMPO
		CITY:			SAN DIEGO
		STATE:			CA
		ZIP:			92127

ISSUER:		

	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

	BUSINESS ADDRESS:	
		STREET 1:		17095 VIA DEL CAMPO
		CITY:			SAN DIEGO
		STATE:			CA
		ZIP:			92127
		BUSINESS PHONE:		866-548-8348

	MAIL ADDRESS:	
		STREET 1:		17095 VIA DEL CAMPO
		CITY:			SAN DIEGO
		STATE:			CA
		ZIP:			92127
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>doc4.xml
<DESCRIPTION>FORM 4 SUBMISSION
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2021-02-25</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

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

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001822747</rptOwnerCik>
            <rptOwnerName>Ashton Hillary</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>17095 VIA DEL CAMPO</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>SAN DIEGO</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>92127</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
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        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Chief Product Officer</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2021-02-25</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F1"/>
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            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>11454</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>41.03</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
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            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>118031</value>
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                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
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        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
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            <transactionDate>
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                <value></value>
            </transactionTimeliness>
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                <transactionShares>
                    <value>5784</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>41.03</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
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        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2021-03-01</value>
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            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F4"/>
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                <value></value>
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                <transactionShares>
                    <value>5670</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>40.03</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>106577</value>
                    <footnoteId id="F2"/>
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                <directOrIndirectOwnership>
                    <value>D</value>
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    <footnotes>
        <footnote id="F1">Shares acquired from the issuer under the Teradata Incentive Stock Purchase Plan (the &quot;ISPP&quot;).</footnote>
        <footnote id="F2">The total beneficial holdings on this report include 140.873 shares acquired from the issuer under the Teradata Employee Stock Purchase Plan on January 29, 2021.</footnote>
        <footnote id="F3">Shares withheld by the issuer and disposed of to satisfy tax obligation upon acquisition of shares under the ISPP.</footnote>
        <footnote id="F4">Sale of shares acquired under the ISPP pursuant to 10b5-1 trading plan adopted by the reporting person.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>Peter A. Christou, Attorney-in-fact for Hillary Ashton</signatureName>
        <signatureDate>2021-03-01</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
