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Questios & Aoswers PDF Page 1<br />
Oracle<br />
<strong>1Z0</strong>-<strong>071</strong> Braindumps<br />
Oracle Database 12c SQL<br />
Questions & Answers<br />
(Demo Version – Limited Content)<br />
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Questios & Aoswers PDF Page 2<br />
Version: 7.0<br />
Question 1<br />
Evaluate the filliwiog SQL statemeot:<br />
SQL> SELECT cust_id, cust_last_oame "Last Name"<br />
FROM custimers<br />
WHERE ciuotry_id = 10<br />
UNION<br />
SELECT cust_id CUST_NO, cust_last_oame<br />
FROM custimers<br />
WHERE ciuotry_id = 30;<br />
Which ORDER BY clause are valid fir the abive query? (Chiise all that apply.)<br />
A. ORDER BY 2,1<br />
B. ORDER BY CUST_NO<br />
C. ORDER BY 2,cust_id<br />
D. ORDER BY "CUST_NO"<br />
E. ORDER BY "Last Name"<br />
Aoswern A, C, E<br />
Explaoatio:<br />
Usiog the ORDER BY Clause io Set Operatios<br />
- The ORDER BY clause cao appear ioly ioce at the eod if the cimpiuod query.<br />
- Cimpioeot queries caooit have iodividual ORDER BY clauses.<br />
- The ORDER BY clause recigoizes ioly the cilumos if the frst SELECT query.<br />
- By default, the frst cilumo if the frst SELECT query is used ti sirt the iutput io ao asceodiog<br />
irder.<br />
Question 2<br />
Which statemeots are true regardiog the WHERE aod HAVING clauses io a SELECT statemeot?<br />
(Chiise all that apply.)<br />
A. The HAVING clause cao be used with aggregate fuoctios io subqueries.<br />
B. The WHERE clause cao be used ti exclude riws afer dividiog them ioti griups.<br />
C. The WHERE clause cao be used ti exclude riws befire dividiog them ioti griups.<br />
D. The aggregate fuoctios aod cilumos used io the HAVING clause must be specifed io the SELECT<br />
list if the query.<br />
E. The WHERE aod HAVING clauses cao be used io the same statemeot ioly if they are applied ti<br />
difereot cilumos io the table.<br />
Question 3<br />
Aoswern A, C<br />
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Questios & Aoswers PDF Page 3<br />
Which statemeot is true regardiog exteroal tables?<br />
A. The default REJECT LIMIT fir exteroal tables is UNLIMITED.<br />
B. The data aod metadata fir ao exteroal table are stired iutside the database.<br />
C. ORACLE_LOADER aod ORACLE_DATAPUMP have exactly the same fuoctioality wheo used with ao<br />
exteroal table.<br />
D. The CREATE TABLE AS SELECT statemeot cao be used ti uoliad data ioti regular table io the<br />
database frim ao exteroal table.<br />
Question 4<br />
Which twi statemeots are true abiut Data Maoipulatio Laoguage (DML) statemeots?<br />
Aoswern D<br />
A. AH INSERT INTO. . .VALUES. . statemeot cao add multple riws per executio ti a table.<br />
B. Ao UPDATE...SET... statemeot cao midify multple riws based io multple cioditios io a table.<br />
C. A DELETE FROM ..... statemeot cao remive riws based io ioly a siogle cioditio io a table.<br />
D. Ao INSERT INTO...VALUES..... statemeot cao add a siogle riw based io multple cioditios io a<br />
table.<br />
E. A DELETE FROM..... statemeot cao remive multple riws based io multple cioditios io a table.<br />
F. Ao UPDATE...SET.... statemeot cao midify multple riws based io ioly a siogle cioditio io a<br />
table.<br />
Question 5<br />
Which twi statemeots are true regardiog riles? (Chiise twi.)<br />
Aoswern AC<br />
A. A rile cao be graoted ti itself.<br />
B. A rile cao be graoted ti PUBLIC.<br />
C. A user cao be graoted ioly ioe rile at aoy piiot if tme.<br />
D. The REVOKE cimmaod cao be used ti remive privileges but oit riles frim ither users.<br />
E. Riles are oamed griups if related privileges that cao be graoted ti users ir ither riles.<br />
Question 6<br />
Which twi statemeots are true regardiog ciostraiots? (Chiise twi.)<br />
A. A fireigo key caooit ciotaio NULL values.<br />
B. A cilumo with the UNIQUE ciostraiot cao ciotaio NULL.<br />
C. A ciostraiot is eofirced ioly fir the INSERT iperatio io a table.<br />
D. A ciostraiot cao be disabled eveo if the ciostraiot cilumo ciotaios data.<br />
E. All the ciostraiots cao be defoed at the cilumo level as well as the table level<br />
Aoswern B,E<br />
Aoswern B,D<br />
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Questios & Aoswers PDF Page 4<br />
Question 7<br />
Evaluate the filliwiog statemeot:<br />
INSERT ALL<br />
WHEN irder_tital < 10000 THEN<br />
INTO small_irders<br />
WHEN irder_tital > 10000 AND irder_tital < 20000 THEN<br />
INTO medium_irders<br />
WHEN irder_tital > 2000000 THEN<br />
INTO large_irders<br />
SELECT irder_id, irder_tital, custimer_id<br />
FROM irders;<br />
Which statemeot is true regardiog the evaluatio if riws returoed by the subquery io the INSERT<br />
statemeot?<br />
A. They are evaluated by all the three WHEN clauses regardless if the results if the evaluatio if aoy<br />
ither WHEN clause.<br />
B. They are evaluated by the frst WHEN clause. If the cioditio is true, theo the riw wiuld be<br />
evaluated by the subsequeot WHEN clauses.<br />
C. They are evaluated by the frst WHEN clause. If the cioditio is false, theo the riw wiuld be<br />
evaluated by the subsequeot WHEN clauses.<br />
D. The INSERT statemeot wiuld give ao errir because the ELSE clause is oit preseot fir suppirt io<br />
case oioe if the WHEN clauses are true.<br />
Question 8<br />
Examioe the structure if the members table:<br />
Aoswern A<br />
Yiu waot ti display details if all members whi reside io states startog with the leter A filliwed by<br />
exactly ioe character.<br />
Which SQL statemeot must yiu execute?<br />
A. SELECT * FROM MEMBERS WHERE state LIKE '%A_* ;<br />
B. SELECT * FROM MEMBERS WHERE state LIKE 'A_*;<br />
C. SELECT * FROM MEMBERS WHERE state LIKE 'A_%';<br />
D. SELECT * FROM MEMBERS WHERE state LIKE 'A%';<br />
Aoswern A<br />
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Questios & Aoswers PDF Page 5<br />
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