CALL (?????????) ???

CALL (?????????)?????????????????????????????????????????????????????? ??????????????????????????????????????????????????????

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CALL ????????? ( [ ??? [, ???]* ] )

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CREATE PROCEDURE SALES.TOTAL_REVENUE(IN S_MONTH INTEGER,
IN S_YEAR INTEGER, OUT TOTAL DECIMAL(10,2))
PARAMETER STYLE JAVA READS SQL DATA LANGUAGE JAVA EXTERNAL NAME 
'com.acme.sales.calculateRevenueByMonth';
CALL SALES.TOTAL_REVENUE(?,?,?);