FORM 3
        	UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES
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                      	Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940	                      	

1. Name and Address of Reporting Person *

Nyquist Laura K	2. Date of Event Requiring Statement (MM/DD/YYYY)
8/24/2007 
	3. Issuer Name and Ticker or Trading Symbol

TERADATA CORP /DE/ [TDC]	
(Last)        (First)        (Middle)

1700 S. PATTERSON BOULEVARD	4. Relationship of Reporting Person(s) to Issuer (Check all applicable)

__ X __ Director                            _____ 10% Owner
___ X ___ Officer (give title below)          _____ Other (specify below)
General Counsel and Secretary /	
(Street)

DAYTON, OH 45479       

(City)              (State)              (Zip)	5. If Amendment, Date Original Filed (MM/DD/YYYY)

	6. Individual or Joint/Group Filing (Check Applicable Line)

_ X _ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person	

Table I - Non-Derivative Securities Beneficially Owned	
1.Title of Security
(Instr. 4)	2. Amount of Securities Beneficially Owned
(Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I)
(Instr. 5)	4. Nature of Indirect Beneficial Ownership
(Instr. 5)	
No Securities Beneficially Owned  	0  	D  	 	

Table II - Derivative Securities Beneficially Owned ( e.g. , puts, calls, warrants, options, convertible securities)	
1. Title of Derivate Security
(Instr. 4)	2. Date Exercisable and Expiration Date
(MM/DD/YYYY)	3. Title and Amount of Securities Underlying Derivative Security
(Instr. 4)	4. Conversion or Exercise Price of Derivative Security	5. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 5)	6. Nature of Indirect Beneficial Ownership
(Instr. 5)	
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares				

Explanation of Responses:	

Reporting Owners	
Reporting Owner Name / Address	Relationships	
	Director	10% Owner	Officer	Other	
Nyquist Laura K
1700 S. PATTERSON BOULEVARD
DAYTON, OH 45479	X		General Counsel and Secretary		

Signatures		
Nelson F. Greene, Attorney-in-fact for Laura K. Nyquist		8/24/2007	
** Signature of Reporting Person		Date

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.	
*	If the form is filed by more than one reporting person, see Instruction 5(b)(v).	
**	Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).	
Note:	File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.	
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB control number.	
  
POWER OF ATTORNEY

        KNOW ALL BY THESE PRESENTS, that the undersigned hereby constitutes
and appoints each of Peter M. Lieb, Nelson F. Greene, and Noelle D. Gumm, signing
singly, the undersigned's true and lawful attorney-in-fact to:

(1)     To apply for electronic access codes with the Securities and Exchange
Commission on my behalf;
(2)     execute for and on behalf of the undersigned, in the undersigned's capacity
as an officer and/or director of Teradata Corporation (the "Company"),
Forms 3, 4, and 5 in accordance with Section 16(a) of the Securities
Exchange Act of 1934 and the rules thereunder;
(3)     do and perform any and all acts for and on behalf of the undersigned which
may be necessary or desirable to complete and execute any such Form 3, 4,
or 5 and timely file such form with the United States Securities and
Exchange Commission and any stock exchange or similar authority; and
(4)     take any other action of any type whatsoever in connection with the
foregoing which, in the opinion of such attorney-in-fact, may be of benefit
to, in the best interest of, or legally required by, the undersigned, it being
understood that the documents executed by such attorney-in-fact on behalf
of the undersigned pursuant to this Power of Attorney shall be in such form
and shall contain such terms and conditions as such attorney-in-fact may
approve in such attorney-in-fact's discretion.
        The undersigned hereby grants to each such attorney-in-fact full power and
authority to do and perform any and every act and thing whatsoever requisite, necessary,
or proper to be done in the exercise of any of the rights and powers herein granted, as
fully to all intents and purposes as the undersigned might or could do if personally
present, with full power of substitution or revocation, hereby ratifying and confirming all
that such attorney-in-fact, or such attorney-in-fact's substitute or substitutes, shall
lawfully do or cause to be done by virtue of this power of attorney and the rights and
powers herein granted.  The undersigned acknowledges that the foregoing attorneys-in-
fact, in serving in such capacity at the request of the undersigned, are not assuming, nor is
the Company assuming, any of the undersigned's responsibilities to comply with Section
16 of the Securities Exchange Act of 1934.

        This Power of Attorney shall remain in full force and effect until the undersigned
is no longer required to file Forms 3, 4, and 5 with respect to the undersigned's holdings
of and transactions in securities issued by the Company, unless earlier revoked by the
undersigned in a signed writing delivered to the foregoing attorneys-in-fact.

        IN WITNESS WHEREOF, the undersigned has caused this Power of Attorney to
be executed as of this 9th day of August, 2007.

                                                By:    /s/ Laura K. Nyquist
                                                        Laura K. Nyquist