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SQL assignment question

SQL Scripts to Create Production Table:

CREATE Table Production

(

SerialNo varchar(20) NOT NULL,

BatchNo varchar(25),

ProductCode varchar(25),

MachineTime decimal(2,2),

AssemblyTime decimal(2,2),

FinishTime decimal(2,2),

Cost varchar(20)

);

SELECT

PRODUCTCODE, AVG(MACHINETIME) AS MACHINETIMEAverage, AVG(ASSEMBLYTIME) AS ASSEMBLYTIMEAverage, AVG(FINISHTIME) AS FINISHTIMEAverage ,to_char(AVG(to_NUMBER(SUBSTR(COST,2, LENGTH(COST)-1))), 'L000D000000') AS COSTAverage

FROM PRODUCTION

GROUP BY PRODUCTCODE;

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SOLVE SQL PROBLEMS (TASK # 3 – 6)

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