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