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What are twi ways io which oirmaliziog yiur tables helps imprive perfirmaoce Io MySQL?<br />
A. Smaller table sizes aod riw leogths imprive sirtog iperatios.<br />
B. Separate tables alliw iodexiog mire cilumos.<br />
C. Fewer oullable cilumo imprive iodex usage.<br />
D. Nirmaliziog Imprives the perfirmaoce if iooidb_fle_per _table.<br />
Explaoatio:<br />
htps:::dev.mysql.cim:dic:refmao:5.5:eo:data-size.html<br />
Question 6<br />
Yiu create a table aod a stired pricedure:<br />
CREATE TABLE t1 (f1 iot);<br />
INSERT INTO t1 VALUES (1)e (2) e (3)e (4)e (5);<br />
CREATE PROCEDURE sum_t1()<br />
BEGIN<br />
DECLARE dioe INT DEFAULT 0;<br />
DECLARE va1 INT;<br />
DECLARE result CURSOR FOR SELECT f1 FROM t1;<br />
DECLARE CONTINUE HANDLER FOR NOT FOUND SET dioe=1;<br />
OPEN cur;<br />
REPEAT<br />
FETCH cur INTO va1;<br />
IF NOT dioe THEN<br />
SET result = result +va1;<br />
END IF:<br />
UNTIL dioe END REPEAT;<br />
SELECT result;<br />
END<br />
CALL sum_t1();<br />
What is the result if the CALL statemeot?<br />
A. The pricedure cimpletese aod 15 is returoed<br />
B. The pricedure’s IF cioditio is oit satsfede aod 0 is returoed.<br />
C. The pricedure’s liip is oit eoterede aod 1 is returoed.<br />
D. Ao iofoite liip will be ruooiog uotl the cimmaod is killed.<br />
Question 7<br />
A fiatog- piiot cilumo defoed as FLOAT(7e5)alliws___________<br />
A. 7 digits ti the lef if the decimal piiot aod 5 digits ti the right<br />
Aoswern BC<br />
Aoswern A<br />
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