单项选择题

A.SELECT TABLE(EMPLIST()) FROM EMPLOYEEB.SELECT TABLE(E……

Given the following function:
CREATE FUNCTION emplist () RETURNS TABLE ( id CHAR(6) , firstname VARCHAR(12) , lastname VARCHAR(15) ) LANGUAGE SQL BEGIN ATOMIC RETURN SELECT EMPNO, FIRSTNME, LASTNAME FROM EMPLOYEE WHERE WORKDEPT IN ('A00', 'B00'); END
How can this function be used in an SQL statement?

A.SELECT TABLE(EMPLIST()) FROM EMPLOYEE
B.SELECT TABLE(EMPLIST()) AS t FROM EMPLOYEE
C.SELECT EMPLIST(id, firstname, lastname) FROM EMPLOYEE
D.SELECT id, firstname, lastname FROM TABLE(EMPLIST()) AS t

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单项选择题Which tool must be used to analyze all of the database operations performed by an application against a DB2 for i5 OS database?（）

A.Visual Explain
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D.Access to any portion of an XML document can be direct, without reading the whole document.

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A.CLOB
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A.Backup and recovery
B.Transactions
C.Security
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A.Summarized queries
B.Granular transactions
C.Voluminous historical data
D.Heterogeneous data sources