Download - 3.4 Accra DB2 Certification Sample
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8/13/2019 3.4 Accra DB2 Certification Sample
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2010 IBM Corporation
Information Management
Information Management Ecosystem PartnershipsIBM Canada Lab
Summer/Fall 2010
DB2
Certification Sample Test
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2 2010 IBM Corporation
Information Management
Which of the following is the major difference betweenrelational data and XML data?
! "elational #ata is self$#escri%ing& 'M( #ata is not B! "elational #ata )as in)erent or#ering& 'M( #ata #oes not C! "elational #ata must %e ta%ular& 'M( #ata #oes not )a*e
to %e ta%ular
D! "elational #ata is comprise# of entities& 'M( #ata iscomprise# of num%ers+ c)aracters+ an# #ates
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, 2010 IBM Corporation
Information Management
A table named DEPARTMET has the following col!mns"
DEPT#ID
DEPT#AME
MAA$ER
A%$#&ALAR'
Which of the following is the best wa( to )re*ent most !sersfrom *iewing A%$#&ALAR' data?
! -ncr.pt t)e ta%les #ata
B! Create a *ie t)at #oes not contain t)e 3S("4column C! "e*o5e S-(-CT access for t)e 3S("4 column
from users )o s)oul# not see 3S("4 #ata D! Store 3S("4 #ata in a separate ta%le an# grant
S-(-CT pri*ilege for t)at ta%le to t)e appropriate users
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6 2010 IBM Corporation
Information Management
Which of the following statements will catalog the database
M'D+ on the node M',DE and assign it the aliasM'EWD+?
! CT(7 DTBS- m.ne#% T 87D- m.no#e B! CT(7 DTBS- m.ne#% S m.#% T 87D-
m.no#e
C! CT(7 DTBS- m.#% T 87D- m.no#e D! CT(7 DTBS- m.#% S m.ne#% T 87D-
m.no#e
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9 2010 IBM Corporation
Information Management
In which of the following scenarios wo!ld a stored )roced!re
be beneficial? ! n application running on a remote client nee#s to %e
a%le to con*ert #egrees Celsius to #egrees Fa)ren)eit an#*ice *ersa
B! n application running on a remote client nee#s to collect
t)ree input *alues+ perform a calculation using t)e *aluespro*i#e#+ an# store t)e input #ata+ along it) t)e results oft)e calculation in to #ifferent %ase ta%les
C! n application running on a remote client nee#s to trac5e*er. mo#ification ma#e to a ta%le t)at contains sensiti*e
#ata D! n application running on a remote client nee#s to
ensure t)at e*er. ne emplo.ee t)at :oins t)e compan. isassigne# a uni;ue+ se;uential emplo.ee num%er
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< 2010 IBM Corporation
Information Management
If the following &-L statements are e.ec!ted in the order shown"
REATE TABLE orders(order_num INTEGER NOT NULL,buyer_name VAR HAR(35,amoun! NU"ERI (5,#$REATE UNI%UE IN&E' d)_orderno ON orders(order_num$ Which of the following describes the res!lting beha*ior?
! -*er. 7"D-"38=M *alue entere# must %e uni;ue& )ene*ert)e 7"D-"S ta%le is ;uerie# ros s)oul# %e #ispla.e# in or#er ofincreasing 7"D-"38=M *alues
B! -*er. 7"D-"38=M *alue entere# must %e uni;ue& )ene*ert)e 7"D-"S ta%le is ;uerie# ros ill %e #ispla.e# in no
particular or#er C! Duplicate 7"D-"38=M *alues are alloe#& no ot)er in#e>
can %e create# for t)e 7"D-"S ta%le t)at reference t)e7"D-"38=M column
D! -*er. 7"D-"38=M *alue entere# must %e uni;ue& no ot)er
in#e> can %e create# for t)e 7"D-"S ta%le t)at reference t)e7"D-"38=M column
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8/13/2019 3.4 Accra DB2 Certification Sample
7/28? 2010 IBM Corporation
Information Management
An alias can be an alternate name for which two of the
following D+/ objects? ! Se;uence B! Trigger C! ie D! Sc)ema
-! Ta%le
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8/13/2019 3.4 Accra DB2 Certification Sample
8/28@ 2010 IBM Corporation
Information Management
Which of the following e*ents will ,T ca!se a trigger to be
acti*ated? ! select operation B! n insert operation C! n up#ate operation D! #elete operation
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10/2810 2010 IBM Corporation
Information Management
A se0!ence was created with the DDL statement shown below"
CREATE *E%UENCE my_se+ *TART ITH -. INCRE"ENT B/ -. CACHE -.
1ser 1&ER2 s!ccessf!ll( e.ec!tes the following statements in the order shown"
VALUE* NE'T VALUE 0OR my_se+ INTO 12ar$
VALUE* NE'T VALUE 0OR my_se+ INTO 12ar$
1ser 1&ER/ s!ccessf!ll( e.ec!tes the following statements in the order shown"
ALTER *E%UENCE my_se+ RE*TART ITH 5 INCRE"ENT B/ 5 CACHE 5$VALUE* NE'T VALUE 0OR my_se+ INTO 12ar$
After !sers 1&ER2 and 1&ER/ are finished3 !ser 1&ER4 e.ec!tes the following 0!er("
*ELECT NE'T VALUE 0OR my_se+ 0RO" sysbm4sysdummy-
What *al!e will be ret!rned b( the 0!er(?! 9B! 10C! 20D! ,0
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11 2010 IBM Corporation
Information Management
$i*en the following two tables"
5ow man( rows wo!ld be ret!rned !sing the followingstatement?
&ELE6T name 7R,M names3 )oints ! 0 B! 9 C! 10 D! 29
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12 2010 IBM Corporation
Information Management
$i*en the following two tables"
Ass!ming the following res!lts are desired"
Which of the following joins will )rod!ce the desired res!lts? A4 *ELECT 0RO" !ab- INNER 6OIN !ab# ON 7o8_- 9 7o8_a B4 *ELECT 0RO" !ab- LE0T OUTER 6OIN !ab# ON 7o8_- 9 7o8_a C4 *ELECT 0RO" !ab- RIGHT OUTER 6OIN !ab# ON 7o8_- 9 7o8_a &4 *ELECT 0RO" !ab- 0ULL OUTER 6OIN !ab# ON 7o8_- 9 7o8_a
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1, 2010 IBM Corporation
Information Management
If the following &-L statements are e.ec!ted in the ordershown"
CREATE TABLE !ab8e- (7- INTEGER, 7# INTEGER$IN*ERT INTO !ab8e- VALUE* (-#3, :5;$
U
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16 2010 IBM Corporation
Information Management
$i*en the following table"
Ass!ming the following res!lts are desired"
Which of the following statements will )rod!ce the desiredres!lts?
! *ELECT UNI%UE 0RO" !ab- B!*ELECT &I*TINCT 0RO" !ab- C! *ELECT UNI%UE( 0RO" !ab- D! *ELECT &I*TINCT( 0RO" !ab-
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19 2010 IBM Corporation
Information Management
Ass!ming table TA+2 contains 288 rows3 which of the
following 0!eries will ret!rn onl( half of the rows a*ailable?
! S-(-CT F"7M ta%1 FI8D FI"ST 90 "7S B! S-(-CT F"7M ta%1 F-TC FI"ST 90 "7S 78(4
C! S-(-CT F"7M ta%1 I(- "738=M E 90 D! S-(-CT F"7M ta%1 M'"7S 90
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1< 2010 IBM Corporation
Information Management
$i*en the following two tables"
Which two of the following 0!eries will dis)la( the em)lo(eename and de)artment name for all em)lo(ees that are in&ales?
A4
B4
C4
&4
E4
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1? 2010 IBM Corporation
Information Management
$i*en the following table definition"
Which of the following 0!eries will ret!rn &ALE&information3 sorted b( &ALEPER&,3 from A to 93 and&ALEDATE3 from most recent to earliest?
A4 *ELECT no7e_no, sa8es_=erson, sa8es_da!e, sa8es_am!
0RO" sa8es *ORT B/ sa8es_=erson,sa8es_da!e &E*C B4 *ELECT no7e_no, sa8es_=erson, sa8es_da!e, sa8es_am!0RO" sa8es *ORT B/ sa8es_=erson &E*C, sa8es_da!e
C4 *ELECT no7e_no, sa8es_=erson, sa8es_da!e, sa8es_am!0RO" sa8es OR&ER B/ sa8es_=erson, sa8es_da!e &E*C
&4 *ELECT no7e_no, sa8es_=erson, sa8es_da!e, sa8es_am!0RO" sa8es OR&ER B/ sa8es_=erson &E*C, sa8es_da!e
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1@ 2010 IBM Corporation
Information Management
$i*en the following table definition"
Which of the following 0!eries will ret!rn &ALE&information3 sorted b( &ALEPER&,3 from A to 93 and&ALEDATE3 from most recent to earliest?
A4 *ELECT no7e_no, sa8es_=erson, sa8es_da!e, sa8es_am!
0RO" sa8es *ORT B/ sa8es_=erson,sa8es_da!e &E*C B4 *ELECT no7e_no, sa8es_=erson, sa8es_da!e, sa8es_am!0RO" sa8es *ORT B/ sa8es_=erson &E*C, sa8es_da!e
C4 *ELECT no7e_no, sa8es_=erson, sa8es_da!e, sa8es_am!0RO" sa8es OR&ER B/ sa8es_=erson, sa8es_da!e &E*C
&4 *ELECT no7e_no, sa8es_=erson, sa8es_da!e, sa8es_am!0RO" sa8es OR&ER B/ sa8es_=erson &E*C, sa8es_da!e
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1A 2010 IBM Corporation
Information Management
Which two of the following statements are tr!e abo!t the
5A%I$ cla!se?
! T)e I8 clause is use# in place of t)e -"-clause!
B! T)e I8 clause uses t)e same s.nta> as t)e-"- clause! C! T)e I8 clause can onl. %e use# it) t)e "7=
B4 clause! D! T)e I8 clause accepts il#car#s!
-! T)e I8 clause uses t)e same s.nta> as t)e I8clause!
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21 2010 IBM Corporation
Information Management
$i*en the following table definition"
Which of the following &-L statements will remo*e all rowsthat had a &ALEDATE in the (ear 2::;?
! D-(-T- F"7M sales -"- 4-"Gsales3#ateH 1AA9 B! D-(-T- F"7M sales -"- 4-"Gsales3#ateH 1AA9
C! D"7 F"7M sales -"- 4-"Gsales3#ateH 1AA9 D! D"7 F"7M sales -"- 4-"Gsales3#ateH 1AA9
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22 2010 IBM Corporation
Information Management
$i*en the following 6REATE TA+LE statement"
CREATE TABLE !ab8e# LI>E !ab8e-
Which two of the following will ,T occ!r when thestatement is e.ec!ted?
! TB(-2 ill )a*e t)e same column names an# column
#ata t.pes as TB(-1 B! TB(-2 ill )a*e t)e same column #efaults as TB(-1 C! TB(-2 ill )a*e t)e same nulla%ilit. c)aracteristics as
TB(-1 D! TB(-2 ill )a*e t)e same in#e>es as TB(-1!
-! TB(-2 ill )a*e t)e same referential constraints asTB(-1
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26 2010 IBM Corporation
Information Management
Data Concurrenc.
Which of the following isolation le*els will loc< all rows
scanned to b!ild a res!lt data set? ! =ncommitte# "ea# B! Cursor Sta%ilit. C! "ea# Sta%ilit. D! "epeata%le "ea#
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29 2010 IBM Corporation
Information Management
Data%ase Transactions
Create ta%le t%1 G
c1 integer primar. 5e.+
c2 *arc)arG10HH
Consi#ering t)e folloing statements are successfull. e>ecute# inC( it) auto$commit #isa%le#+ )o man. ros are I8S-"T-D
in t)e ta%le t%1JInsert into t%1 *alues G@+ paulH
Insert into t%1 *alues G@+ paulH
commit
Insert into t%1 *alues G@+ paulH
roll%ac5
! 0 B! 1 C! 2 D! ,
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2< 2010 IBM Corporation
Information Management
Data%ase "eco*er.
db2 backup database sample to /home/db2inst1/backups
Backup successful. The timestamp for this backup image
is:
)ic) of t)e %elo ill restore t)e #ata%aseJ
! #%2 restore #ata%ase sample offline from/)ome/#%2inst1/%ac5ups ta5en at it)out rolling forar#
B! #%2 restore #ata%ase sample offline from/)ome/#%2inst1/%ac5ups ta5en at it)out rolling forar#
C! #%2 restore #ata%ase sample online from
/)ome/#%2inst1/%ac5ups ta5en at it)out rolling forar# D! #%2 restore #ata%ase sample from /)ome/#%2inst1/%ac5upsta5en at it)out rolling forar#
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2? 2010 IBM Corporation
Information Management
$i*en the following table definition"
Which of the following will retrie*e the rows that ha*e amissing *al!e in the &ALEPER&,?
A4 *ELECT 0RO" sa8es HERE mdn! 9 ? ? B4 *ELECT 0RO" sa8es HERE mdn! 9 NULL
C4 *ELECT 0RO" sa8es HERE mdn! 9 @ &4 *ELECT 0RO" sa8es HERE mdn! I* NULL
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2@ 2010 IBM Corporation
Information Management
$i*en the following store )roced!re e.ists"
Proced!re )roc2 =I *ar2 *archar=28>3 ,1T rc ITE$ER>
@@
Which is the correct wa( to in*o
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2A 2010 IBM Corporation
Information Management
Which is tr!e abo!t an I+M D+/ Instance
@@
? A4 Can on8y 2ae one =er serer
B4 one a8s, a88 ns!ean7es on !2e serer a8 C4 T2ere on8y be one &a!abase =er ns!an7e &4
2a! s a dr!y read 2a! s deC oC A I& !erms D durab8!y444e!7
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2010 IBM Corporation
Information Management
Information Management Ecosystem PartnershipsIBM Canada Lab
Summer/Fall 2010Questions?
E-mail: [email protected]: DB2 Academic Wo!sho"#