Documents

TERADATA REFRESH TEST FOR.doc

Description
QUESTION 1: A Unique Primary Index (UPI) is chosen for which three reasons? (Choose three) A. A UPI guarantees even data distribution B. A UPI is the Primary Key of the table C. A UPI access is a one AMP operation D. A UPI requires no duplicate row checking during loads QUESTION 2: Which of the following are two architectural attributes of a Teradata system? (Choose two.) A. Disk space associated with an AMP is divided into three areas: system, permanent, and spool. B. Parallelism is achieved th
Categories
Published
of 6
All materials on our website are shared by users. If you have any questions about copyright issues, please report us to resolve them. We are always happy to assist you.
Related Documents
Share
Transcript
  QUESTION 1: A Unique Primary Index (UPI) is chosen for hich !hree reasons (#hoose !hree)A$ A UPI %uaran!ees e&en da!a dis!ri'u!ion$ A UPI is !he Primary ey of !he !a'*e#$ A UPI access is a one A+P o,era!ion-$ A UPI requires no du,*ica!e ro chec.in% durin% *oadsQUESTION /: 0hich of !he fo**oin% are !o archi!ec!ura* a!!ri'u!es of a Terada!a sys!em (#hoose !o$)A$ -is. s,ace associa!ed i!h an A+P is di&ided in!o !hree areas: sys!em ,ermanen!and s,oo*$$ Para**e*ism is achie&ed !hrou%h o,era!in% sys!em !ime s*icin%$#$ The A+Ps access da!a from !heir associa!ed &dis.s as required$-$ The PEs communica!e i!h !he A+Ps across !he 2NET$QUESTION 3: 0hich of !he fo**oin% is a s!a!emen! !ha! is !rue re%ardin% !em,orary s,ace A$ Tem,orary s,ace is s,oo* s,ace curren!*y no! used$$ Tem,orary s,ace is ,ermanen! s,ace curren!*y no! used$#$ Tem,orary s,ace is su'!rac!ed from SysAdmin$-$ Tem,orary s,ace is assi%ned a! !he !a'*e *e&e*$QUESTION 4: 0ha! o,!ion can 'es! descri'e Terada!a5s archi!ec!ure A$ shared e&ery!hin%$ shared memory#$ shared no!hin%-$ shared da!aQUESTION 6: 0hy ou*d you choose a Non7Unique Primary Index (NUPI) ins!ead of a Unique Primary Index (UPI) A$ A NUPI requires *ess dis. s,ace !o s!ore !he da!a ro$$ A NUPI may 'e more effec!i&e for query access and 8oins$#$ A NUPI query sim,*ifies !he o,!imi9a!ion ,rocess in !he PE$-$ A NUPI ,ro&ides 'e!!er da!a dis!ri'u!ionQUESTION : 2ou are a da!a'ase adminis!ra!or a! OA $com and ha&e defined a user i!h no ,ermanen! s,ace$ 0hich are !hree o'8ec!s !ha! can 'e found in !his user (#hoose !hree)A$ !a'*es$ !ri%%ers#$ macros-$ &ies  QUESTION ;: Of !he fo**oin% ha! are !hree ma8or a!!ri'u!es of !he Terada!a da!a'ase (#hoose !hree)A$ ,ara**e* aare o,!imi9er$ ,or!a'*e !o any ,*a!form#$ uncondi!iona* ,ara**e*ism-$ au!oma!ic da!a dis!ri'u!ionQUESTION <: 0hich of !he fo**oin% are !hree charac!eris!ics of !he func!ions of !he PE (#hoose !hree)A$ I! de!ermines hich A+P shou*d recei&e a messa%e$ I! 'rea.s don SQ= reques!s in!o s!e,s$#$ I! can mana%e u, !o 1/> indi&idua* sessions-$ I! hand*es ou!,u! con&ersion and forma!!in%E$ I! &erifies SQ= reques!s for ,ro,er syn!axQUESTION ?: 2ou are an adminis!ra!or a! OA  OA has a Terada!a sys!em i!h 1>> @ of ,ermanen! s,ace of hich 6> @ is reser&ed for s,oo* s,ace$ The sys!em curren!*y has 3> @ of user da!a$ 0ha! is !he !o!a* a&ai*a'*e s,oo* s,ace for user queries A$ ;> @$ 6> @#$ 3> @-$ <> @QUESTION 1>: 0hich of !he fo**oin% are !hree ,ur,oses !ha! A+P ser&es (#hoose !hree) A$ I! does !he ,hysica* or. associa!ed i!h %enera!in% an anser se!$ I! de&e*o,s !he *eas! ex,ensi&e ,*an !o re!urn !he reques!ed res,onse se!#$ I! does ou!,u! con&ersion and forma!!in%-$ I! has access !o a sin%*e &dis. QUESTION 11: 2ou are an adminis!ra!or a! OA$ OA has a Terada!a sys!em i!h 1>> @ of ,ermanen! s,ace and you crea!e User A i!h 3> @ ,ermanen! s,ace$ o much s,ace i** User A ha&e if User A crea!es User  i!h /> @ ,ermanen! s,ace A$ ;> @$ <> @#$ 1> @-$ 3> @QUESTION 1/: 0ha! does *inear sca*a'*i*i!y ,ro&ide (#hoose /)A$Pro!ec!ion on in&es!men! for a,,*ica!ion de&e*o,men!$ $Uncondi!iona* quic. res,onse !imes for da!a queries$#$Increase or.*oad i!hou! decreased !hrou%h,u!$  -$#onsis!en! resu*!s i!h inconsis!en! da!aQUESTION 13: Say True or Ba*se $ Tem,orary S,ace is S,oo* S,ace !ha! is no! curren!*y 'ein% used$QUESTION 14: Terada!a ac!s as a da!a s!ore !o mu*!i,*e hos!s !o ,ro&ide CCCCC$ (#hoose !o$)A$A sin%*e &ersion of !he !ru!h $+u*!i,*e com,*ex queries !ha! run concurren!*y #$Ease of da!a re,*ica!ion -$A da!a mar! im,*emen!a!ion 'ased on func!iona* uni!s QUESTION 16: 0hich !o s!a!emen!s are !rue a'ou! !he ay !he Terada!a da!a'ase is adminis!ered (#hoose !o$)A$+anua* ,ar!i!ionin% schemes are required$$S,ace mana%emen! is hand*ed in!erna**y 'y !he A+Ps$#$The -a!a'ase Adminis!ra!or de!ermines here da!a is ,*aced$-$-a!a dis!ri'u!ion is au!oma!ic QUESTION 1: Select the correct type of connection (network-attached client or channel- attached client) from the below that corresponds to the listed software and hardware components. _________ Teradata Gateway ___________ Teradata Director Program ___________ hannel Dri!er  CCCCCCCC E!herne! #ard CCCCCCCCCCC Dhos!DQUESTION 1;: hat are the trade-offs of a #$ll Table Scan (#TS) compared to an %nde& access' A$Some da!a is re,*ica!ed on a** A+Ps$ $A** da!a '*oc.s are read in a sin%*e ,ass$#$ A** da!a is !ra&ersed mu*!i,*e !imes$ -$ I! is a fe7A+P o,era!ion$QUESTION 1<: 0ha! are !o reasons for choosin% a Unique Primary Index (UPI) &erses aNon Unique Primary Index (NUPI) (#hoose !o$)A UPI access is a !o7A+P o,era!ion$A UPI %uaran!ees e&en da!a dis!ri'u!ion$A UPI requires no du,*ica!e ro chec.in% durin% *oads$A UPI is !he Primary ey of !he !a'*e$  QUESTION 1?:#onsider !he fo**oin% se! of SQ= s!a!emen!s:#EATE +U=TISET TA=E !1 (a INTE@E ' INTE@E)UNIQUE PI+A2 IN-EF (a)GINSET INTO !1 HA=UES (11)GINSET INTO !1 HA=UES (1/)GUP-ATE !1 SET '  ' J 1 0EE '  1G0hich s!a!emen! is !rue A$The INSETs and !he UP-ATE succeed$$The #EATE TA=E fai*s$#$The INSETs succeed 'u! !he UP-ATE fai*s$-$The second INSET fai*s$QUESTION />:-e,!CNo -e,!CName In!erna*C#os!1 esearch 6>/ -e&e*o,men! 4>3 +ar.e!in% NU==SE=E#T AH@(In!erna*C#os!) BO+ de,ar!men!G@i&en !he !a'*e and !he query a'o&e ha! is !he resu*! se! A$NU==$46#$3>-$6>E$?>/1$ Terada!a Archi!ec!ure
We Need Your Support
Thank you for visiting our website and your interest in our free products and services. We are nonprofit website to share and download documents. To the running of this website, we need your help to support us.

Thanks to everyone for your continued support.

No, Thanks