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单选题
How should the following UDF be invoked in order to convert US currency values stored in the EXPENSES table into Canadian currency?CREATE FUNCTION getratews11 ( country1 VARCHAR(100), country2 VARCHAR(100) ) RETURNS DOUBLE LANGUAGE SQL CONTAINS SQL EXTERNAL ACTION NOT DETERMINISTIC BEGIN ... END()
A

CALL getratews11('USA','CANADA')

B

CALL expenses.getratews11('USA','CANADA')

C

SELECT getratews11('USA','CANADA') FROM expenses

D

SELECT * FROM TABLE(getratews11('USA','CANADA')) AS convert_currency


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更多 “单选题How should the following UDF be invoked in order to convert US currency values stored in the EXPENSES table into Canadian currency?CREATE FUNCTION getratews11 ( country1 VARCHAR(100), country2 VARCHAR(100) ) RETURNS DOUBLE LANGUAGE SQL CONTAINS SQL EXTERNAL ACTION NOT DETERMINISTIC BEGIN ... END()A CALL getratews11('USA','CANADA')B CALL expenses.getratews11('USA','CANADA')C SELECT getratews11('USA','CANADA') FROM expensesD SELECT * FROM TABLE(getratews11('USA','CANADA')) AS convert_currency” 相关考题
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