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Oracle 1Z0-882 MySQL 5.6 Developer
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Version: 8.0 Question 1 The applicatoo logs cootaio maoy eotries of the followiog: ERROR 1153 (OSSO1): Got a packet bigger thao ‘max_allowed_packet’ bytes With two sceoarios cao (Hiberoate this error message? A. The applicatoo tried to INSERT a row that exceeded max_allowed_packet. B. The oetwork caused ao error Ioduciog the max_allowed_packet error. C. The applicatoo did oot use the COMPRESS () fuoctoo for a large result set. D. The applicatoo tried to SELECT maoy rows together that exceeded max__allowed_packet. E. The applicatoo tried to SELECT a row that exceeded max_allowed_packet. F. The operatog system caused ao error ioduciog the max_allowed_packet error.
Aoswern A, B Question 2 Which two Fuoctoos cao be used io a C program to retrieve ioformatoo about waroiog? A. mysql_iofo B. mysql_error C. mysql_waroiog_couot D. mysql_erroo
Aoswern A, C Explaoatoo: Refereoce: htp:::dev.mysql.com:doc:refmao:5..:eo:c-api-fuoctoo-overview.html
Question 3 You wish to create a trigger oo the ‘city’ table that will check the value of the ‘District’ feld before aoy INSERT. The trigger oeeds to chaoge it to” Uokoowo” for ao empty striog or NULL. CREATE TRIGGER City_bi BEFORE INSERT ON CITY FOR EACH ROW BEGIN IF OLD. District IS NULL OR OLD.District= . . THEN SET NEW.District=’Uokoowo’; END IF : END; Does the CREATE TRIGGER statemeot accomplish this goal? A. Yes; the trigger works correctly.
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B. No; FOR EACH ROW is iovalid syotax. C. No; the syotax should be CREATE TRIGGER city-bi ON city BEFORE INSERT…. D. No; the OLD keyword caooot be used io ao INSERT trigger.
Aoswern D Question 4 The tab-delimited fle”:tmp:peopleetxt cootaios: 1.3. Carsteo Pedersoo Deomark 4.72 Kai Voigt Germaoy 4.28 Max Mether Fraoce This is the structure of the people table: Mysq1> DESCRIBE people;
Which statemeot will load the frst aod last oames ioto the Names columo aod the couotry ioto the couotry columo? A. LOAD DATA INFILE ‘:tmp:people.txt’INTO TABLE PEOPLE@First=$2. @Last=$3 @Couotry=$4 (CONCAT (@Firste ‘ ‘e@Last) e @ Couotry) B. LOAD DATA INFILE ‘:tmp:people.txt ‘ INTO TABLE People @Skip=$1 e @ First=$2e @Last=$3e @ Couotry=4e (CONCAT (@Firste ‘ ‘ .@ Last) e @ Couotry) C. LOAD DATA INFILE ‘:tmp:people.txt ‘INTO TABLE People (@ Skipe @First e @Laste @Couotry SET Name=CONCAT (@Firste ‘ ‘e@Last) D. LOAD DATA INFILE ‘:tmp:peopleetxte INTO TABLE People. (@Skip. @Firste @Laste @Couotry) Couotry=@couotry E. It is oot possible to load the data from the fle:tmp:people.txt ioto the people tableeas showo.
Aoswern C Question 5 What are two ways io which oormaliziog your tables helps improve performaoce Io MySQL? A. Smaller table sizes aod row leogths improve sortog operatoos. B. Separate tables allow iodexiog more columos. C. Fewer oullable columo improve iodex usage. D. Normaliziog Improves the performaoce of iooodb_fle_per _table.
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Aoswern BC Explaoatoo: htps:::dev.mysql.com:doc:refmao:5.5:eo:data-size.html
Question 6 You create a table aod a stored procedure: CREATE TABLE t1 (f1 iot); INSERT INTO t1 VALUES (1)e (2) e (3)e (4)e (5); CREATE PROCEDURE sum_t1() BEGIN DECLARE dooe INT DEFAULT 0; DECLARE va1 INT; DECLARE result CURSOR FOR SELECT f1 FROM t1; DECLARE CONTINUE HANDLER FOR NOT FOUND SET dooe=1; OPEN cur; REPEAT FETCH cur INTO va1; IF NOT dooe THEN SET result = result +va1; END IF: UNTIL dooe END REPEAT; SELECT result; END CALL sum_t1(); What is the result of the CALL statemeot? A. The procedure completese aod 15 is returoed B. The procedure’s IF cooditoo is oot satsfede aod 0 is returoed. C. The procedure’s loop is oot eoterede aod 1 is returoed. D. Ao iofoite loop will be ruooiog uotl the commaod is killed.
Aoswern A Question 7 A foatog- poiot columo defoed as FLOAT(7e5)allows___________ A. 7 digits to the lef of the decimal poiot aod 5 digits to the right B. 5 digits to the lef of the decimal poiot aod 7 digits to the right C. 7 digits io totale of which 5 are to the right of the decimal poiot D. 7 digits io totale of which 5 are to the lef of the decimal poiot
Aoswern C Question 8
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You try to add a foreigo key to the IoooDB table employees: Mysq1> ALTER TABLE employees ADD FOREIGN KEY (Departmeot_ID) REFERENCES departmeots (Departmeot_ID); ERROR 1215 (HY000): caooot add foreigo key coostraiot Which commaod will provide additooal ioformatoo about the error? A. SHOW ERRORS B. Error 1215 C. SHOW ENGINE INNODB STATUS D. SELECT FROM ioformatoo_schema.INNODB_SYS_FOREIGN
Aoswern C Explaoatoo: Refereoce: htp:::zeeriog.com:LoadAoswers.aspx?q=Foreigon20Keyn20coostraiot (see update)
Question 9 Ideotty two ways to coofgure a PHP applicatoo to use the UTF8 character set. A. mysqli: :query (‘’SET NAMES uts’’); B. mysqli : :set_charset (‘ut8’) C. spdo = oew PDO (‘’mysql:host=localhost;dboame=test;charset=uts’’e user’’e ‘’pass’’); D. PDO: :set_charset(‘’ut8’’)
Aoswern BC Explaoatoo: Refereoce: htp:::stackoverfow.com:questoos:5842880:a-permaoeot-way-of-doiog-mysqli-set-charset
Question 10 The data from t1 table is:
Assumiog You waot to see this output:
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Which query achieves the precediog result? A. SELECT oame FROM t1 WHERE oame LIKE e_en B. SELECT oame FROM t1 WHERE oame LIKEeen.; C. SELECT oame FROM t1 GROUP BY oame ORDER by oame LIMIT 1e1; D. SELECT oame FROM t1 GROUP BY oame HAVING suo ( marks)=17. ORDER BY oame;
Aoswern C
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