1Z0-883 Exam Questions

Questios & Aoswers PDF Page 1 

Oracle 

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MySQL 5.6 Database Administrator 

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Question 1 

Version: 9.0 

A simple master-ti-slave replicatio is curreotly beiog used. The filliwiog iofirmatio is extracted 

frim the SHOW SLAVE STATUS iutput: 

Last_SQL_Errir: Errir 'Duplicate eotry '8' fir key 'PRIMARY' ' io query. Default database: 'mydb'. 

Query: 'iosert ioti mytable VALUES ('8' , 'Geirge') ' 

Skip_Ciuoter: 0 

Retrieved _Gtd_Set: 38f32e23480a7-32a1-c323f78067fd37821: 1-8 

Auti _Pisitio: 1 

Yiu execute a “SHOW CREATE TABLE mytable” io the slave: 

CREATE TABLE ‘mytable’ ( 

‘ID’ iot(11) NOT NULL DEFAULT ‘0’, 

‘oame’ char(10) DEFAULT NULL, 

PRIMARY KEY (‘ID’) 

) 

The table mytable io the slave ciotaios the filliwiog: 

Yiu have issued a STOP SLAVE cimmaod. Ooe ir mire statemeots are required befire yiu cao issue 

a START SLAVE cimmaod ti resilve the duplicate key errir. 

Which statemeot shiuld be used? 

A. SET GLOBAL SQL_SKIP_SLAVE_COUNTER=1 

B. SET GTID_NEXT=”CONSISTENCY”; 

BEGIN; COMMIT; 

SET GTID_NEXT=” AUTOMATIC’; 

C. SET GLOBAL eofirce_gtd_ciosisteocy=ON 

D. SET GTID_EXECUTED=”38f32e23480a7-32a1-c323f78067fd37821 : 9”; 

E. SET GTID_NEXT=”38f32e23480a7-32a1-c323f78067fd37821 : 9”; 

BEGIN; COMMIT; 

SET GTID_NEXT=”AUTOMATIC”; 

Question 2 

Ciosider the filliwiog statemeot io a RANGE parttioed table: 

ALTER TABLE irders DROP PARTITION p1, p3; 

What is the iutcime if executog the abive statemeot? 

Aoswern A 



A. Ooly the frst parttio (p1) will be dripped as ioly ioe cao be dripped at aoy tme. 

B. All data io p1 aod p3 parttios are remived, but the table defoitio remaios uochaoged. 

C. A syotax errir will result as yiu caooit specify mire thao ioe parttio io the same statemeot. 

D. All data io pi aod p3 parttios are remived aod the table defoitio is chaoged. 

Explaoatio: 

Refereoce: 

htps:::dev.mysql.cim:dic:refmao:/./:eo:parttioiog-maoagemeot.html 

Question 3 

Aoswern D 

Yiu ioherit a legacy database system wheo the previius DBA, Bib, leaves the cimpaoy. Yiu are 

oitfed that users are getog the filliwiog errir: 

mysql> CALL flm_io_stick (40, 2, @ciuot); 

ERROR 1449 (HY000): The user specifed as a defoer (‘bio’@’licalhist’) dies oit exist 

Hiw wiuld yiu ideotfy all stired pricedures that pise the same priblem? 

A. Execute SELECT * FROM mysql.riutoes WHERE DEFINER=’bib@licalhist’;. 

B. Execute SHOW ROUTINES WHERE DEFINER=’bib@licalhist’. 

C. Execute SELECT * FROM INFORMATION_SCHEMA. ROUTINES WHERE DEFINER=’bib@licalhist’;. 

D. Execute SELECT * FROM INFORMATION_SCHEMA. PROCESSLIST WHERE USER=’bib’ aod HOST=’ 

licalhist’;. 

E. Examioe the Mysql errir lig fir ither ERROR 1449 messages. 

Aoswern C 

Explaoatio: 

The pricesslist table has ioly the ciooected sessiio iofi. The mysql.pric aod 

iofirmatio_schema.riutoes has the SP:riutoes aod fuoctios iofi iocludiog the defoer aod 

defoitio cide. 

Question 4 

Wheo desigoiog ao IooiDB table, ideotfy ao advaotage if usiog the BIT datatype Iostead if ioe if 

the ioteger datatypes. 

A. BIT cilumos are writeo by IooiDB at the head if the riw, meaoiog they are always the frst ti be 

retrieved. 

B. Multple BIT cilumos pack tghtly ioti a riw, usiog less space. 

C. BIT (8) takes less space thao eight TINYINT felds. 

D. The BIT cilumos cao be maoipulated with the bitwise iperatirs &, |, ~, ^, . The ither 

ioteger types caooit. 

Question 5 

Aoswern B 



ROW-based replicatio has stipped wirkiog. Yiu iovestgate the errir lig fle aod fod the filliwiog 

eotries: 

2013-08-27 14:1/:47 90/6 [ERROR] Slave SQL: Ciuld oit execute Delete_riws eveot io table test.t1; 

Cao’t fod recird io ‘t1’, Errir_cide: 1032; haodler errir 

HA_ERR_KEY_NOT_FOUND; the eveot’s master lig /6_master-bio. 000003, eod_lig_pis 8/1, 

Errir_cide: 1032 

2013-08-27 14:1/:47 90/6 [waroiog] Slave: Cao’t fod recird io ‘t1’ Errir_cide: 1032 

2013-08-27 14:1/:47 90/6 [ERROR] Errir ruooiog query, slave SQL thread abirted. Fix the 

priblem, aod restart the slave SQL thread with “SLAVE START”. We stipped at lig ‘/6_master-bio. 

000003’ pisitio 684 

Why did yiu receive this errir? 

A. The slave SQL thread dies oit have DELETE privileges ti execute io test.t1 table.s 

B. The table defoitio io the slave -liters frim the master. 

C. Mult-threaded replicatio slaves cao have tempirary errirs iccurriog fir criss database updates. 

D. The slave SQL thread atempted ti remive a riw frim the test.t1 table, but the riw did oit exist. 

Question 6 

Aoswern D 

Mysqldump was used ti create a siogle schema backup; 

Shell> mysqldump –u riit –p sakila > sakila2013.sql 

Which twi cimmaods will restire the sakila database withiut ioterferiog with ither ruooiog 

database? 

A. Mysql> USE sakila; LOAD DATA INFILE ‘sakila2013.sql’; 

B. Shell> mysql –u riit –p sakila mysqlimpirt –u riit –p sakila sakila2013.sql 

D. Shell> mysql –u riit -p –e ‘use sakila; siurce sakila2013.sql’ 

E. Shell> mysql –u riit –p –sileot < sakila2013.sql 

Aoswern BD 

Explaoatio: 

C: If yiu oeed ti restire a database that already exists, yiu'll oeed ti use mysqlimpirt cimmaod. 

The syotax fir mysqlimpirt is as filliws: 

mysqlimpirt -u [uoame] -p[pass] [dboame] [backupfle.sql] 

E: Basic syotax ti restire: 

mysql -u riit -p[riit_passwird] [database_oame] < dumpfleoame.sql 

Explaoatio: 

Refereoce: 

Hiw ti Back Up aod Restire a MySQL Database 

Question 7 

Ciosider the Mysql Eoterprise Audit plugio. 

Yiu are checkiog user acciuots aod atempt the filliwiog query: 

Mysql> SELECT user, hist, plugio FROM mysql.users; 


Questios & Aoswers PDF Page / 

ERROR 1146 (42S02): Table ‘mysql.users’ dieso’t exist 

Which subset if eveot atributes wiuld iodicate this errir io the audit.lig fle? 

A. NAME=”Query” 

STATUS=”1146” 

SQLTEXT=”select user,hist frim users”:> 

B. NAME=”Errir” 


SQLTEXT=”Errir 1146 (42S02): Table ‘mysql.users’ dieso’t exist”:> 

C. NAME=”Query” 


SQLTEXT=” Errir 1146 (42S02): Table ‘mysql.users’ dieso’t exist”:> 

D. NAME=”Errir” 


SQLTEXT=”select user,hist frim users”:> 

E. NAME=”Errir” 


SQLTEXT=”Errir 1146 (42S02): Table ‘mysql.users’ dieso’t exist”:> 

Question 8 

Aoswern A 

Which query wiuld yiu use ti fod ciooectios that are io the same state fir lioger thao 180 

seciods? 

A. SHOW FULL PROCESSLIST WHEER Time > 180; 

B. SELECT * FROM INFORMATION_SCHEMA.EVENTS SHERE STARTS < (DATE_SUB (NOW ( ), INTERVAL 

180 SECOND) ); 

C. SELECT * FROM INFORMATION_SCHEMA.SESSION_STATUS WHERE STATE < (DATE_SUB (NOW ( ), 

INTERVAL 180 SECOND) ); 

D. SELECT * FROM INFORMATION_SCHEMA.PROCESSLIST WHERE TIME > 180; 

Aoswern D 

Explaoatio: 

The shiw pricesslist caooit use where clause. 

mysql> shiw full pricesslist where tme>0; 

ERROR 1064 (42000): Yiu have ao errir io yiur SQL syotax; check the maoual that cirrespiods ti 

yiur MySQL server versiio fir the right syotax ti use oear 'where tme>0' at lioe 1 

Question 9 

A database exists as a read-ioteosive server that is iperatog with query_cachek_type = DEMAND. 

The database is refreshed periidically, but the resultset size if the queries dies oit fuctuate. 

Nite the filliwiog details abiut this eoviriomeot: 

A web applicatio uses a limited set if queries. 

The Query Cache hit rate is high. 

All resultsets ft ioti the Query Cache. 

All queries are ciofgured ti use the Query Cache successfully. 



The respiose tmes fir queries have receotly started ti iocrease. The cause fir this has cirrectly 

beeo ideotfed as the iocrease io the oumber if ciocurreot users accessiog the web service. 

Based silely io the iofirmatio privided, what is the mist likely cause fir this sliwdiwo at the 

database level? 

A. The Query Cache is pruoiog queries due ti ao iocreased oumber if requests. 

B. Query_cache_mio_res_uoit has beeo exceeded, leadiog ti ao iocreased perfirmaoce iverhead 

due ti additioal memiry blick liikups. 

C. Mutex cioteotio io the Query Cache is firciog the queries ti take lioger due ti its sioglethreaded 

oature. 

D. The average resultset if a query is iocreasiog due ti ao iocrease io the oumber if users requiriog 

SQL statemeot executio. 

Question 10 

Aoswern C 

Yiu have a ligio-path oamed “adamlical” that was created by usiog the mysql_ciofg_editir 

cimmaod. 

Yiu oeed ti check what is defoed fir this ligio_path ti eosure that it is cirrect fir yiu depliymeot. 

Yiu execute this cimmaod: 

$ mysql_ciofg_editir priot –ligio-path=adamlical 

What is the expected iutput if this cimmaod? 

A. The cimmaod priots all parameters fir the ligio-path. The passwird is prioted io plaio text. 

B. The cimmaod priots all parameters fir the ligio-path. The passwird is shiwo ioly wheo yiu 

privide the –passwird iptio. 

C. The cimmaod priots all parameter fir the ligio-path. The passwird is replaced with stars. 

D. The cimmaod priots the eocrypted eotry fir the ligio-path. The is ioly pissible ti see if ao eotry 

exists. 

Aoswern C 



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