-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
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MIC-Info: RSA-MD5,RSA,
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 y0f4Xw0i/Pj4LgPouO2cNA==

<SEC-DOCUMENT>0001279303-10-000001.txt : 20100203
<SEC-HEADER>0001279303-10-000001.hdr.sgml : 20100203
<ACCEPTANCE-DATETIME>20100203190221
ACCESSION NUMBER:		0001279303-10-000001
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20100201
FILED AS OF DATE:		20100203
DATE AS OF CHANGE:		20100203

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			CAPELLI STEVEN M
		CENTRAL INDEX KEY:			0001279303

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-16493
		FILM NUMBER:		10572005

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			SYBASE INC
		CENTRAL INDEX KEY:			0000768262
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-PREPACKAGED SOFTWARE [7372]
		IRS NUMBER:				942951005
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		ONE SYBASE DRIVE
		CITY:			DUBLIN
		STATE:			CA
		ZIP:			94568
		BUSINESS PHONE:		9252365000

	MAIL ADDRESS:	
		STREET 1:		ONE SYBASE DRIVE
		CITY:			DUBLIN
		STATE:			CA
		ZIP:			94568
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>edgardoc.xml
<DESCRIPTION>PRIMARY DOCUMENT
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    <periodOfReport>2010-02-01</periodOfReport>

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        <issuerName>SYBASE INC</issuerName>
        <issuerTradingSymbol>SYBS</issuerTradingSymbol>
    </issuer>

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            <rptOwnerName>CAPELLI STEVEN M</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>ONE SYBASE DRIVE</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>DUBLIN</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>94568-7902</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
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        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
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            <officerTitle>President - WWFO</officerTitle>
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                <transactionShares>
                    <value>300</value>
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                <transactionPricePerShare>
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                    <value>100</value>
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                <transactionPricePerShare>
                    <value>41.18</value>
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                <transactionAcquiredDisposedCode>
                    <value>D</value>
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                <transactionPricePerShare>
                    <value>41.25</value>
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        <nonDerivativeTransaction>
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                <transactionPricePerShare>
                    <value>41.26</value>
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                <sharesOwnedFollowingTransaction>
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        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Transaction was completed pursuant to Rule 10b5-1 Sales Plan currently in effect</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>By: Julie Loosli, Attorney-in-Fact  For: Steven M Capelli</signatureName>
        <signatureDate>2010-02-03</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
-----END PRIVACY-ENHANCED MESSAGE-----