Vendor: IBM
Exam Code: C2090-545
Exam Name: DB2 9.7 SQL Procedure Developer

QUESTION 1
Which three optional clauses can be used when creating an external function? (Choose three.)

A.    SCRATCHPAD
B.    NOTEPAD
C.    LANGUAGE
D.    EXTERNAL NAME
E.    DATABASEINFO

Answer: ACD

QUESTION 2
Which statement is permitted within a scalar user-defined function body?

A.    COMMIT
B.    INSERT
C.    SIGNAL
D.    LOOP

Answer: C

QUESTION 3
Which statement correctly describes characteristics of external functions?

A.    External functions cannot return tables.
B.    All cursors opened within an external function should stay open until the database isquiesced.
C.    Scratchpads can be used to allocate dynamic memory required for multiple function invocations.
D.    Transactions can be terminated within external functions.

Answer: C

QUESTION 4
Given the following SQL:

Which of the following statements is true?

A.    The procedure declaration requires the DYNAMIC RESULT SETS 1 clause in order to return a result set.
B.    The cursor declaration requires WITH RETURN TO CLIENT clause in order to return a result set.
C.    The cursor declaration requires WITH RETURN TO CALLER clause in order to return a result set.
D.    The cursor declaration requires WITH RETURN clause in order to return a result set.

Answer: B

QUESTION 5
In the stored procedure below:

What will the value of the P_ID parameter be if the procedure is invoked and a value of 2 is specified for the START_VALUE parameter?

A.    1
B.    2
C.    3
D.    4

Answer: C

QUESTION 6
Which procedure demonstrates the correct use of dynamic SQL?

A.    CREATE PROCEDURE update_count1 (INnew_count INTEGER, IN item_code INTEGER) BEGIN
DECLARE v_dynSQL VARCHAR(200);
SET v_dynSQL = ‘UPDATE stock SET quantity_on_hand=? WHERE item_number=?’;
PREPARE v_stmt1 FROM v_dynSQL;
EXECUTE v_stmt1 USING new_count, item_code;
END
B.    CREATE PROCEDURE update_count2 (INtab_name VARCHAR(128), IN new_count INTEGER,
IN item_code INTEGER)
BEGIN
DECLARE v_dynSQL VARCHAR(200);
SET v_dynSQL = ‘UPDATE ? SET quantity_on_hand=? WHERE item_number=?’;
PREPARE v_stmt1 FROM v_dynSQL;
EXECUTE v_stmt1 USING tab_name, new_count, item_code; END
C.    CREATE PROCEDURE update_count4 (INtab_name VARCHAR(128), IN col_name1
VARCHAR(128), IN col_name2 VARCHAR(128), IN
new_countINTEGER, IN item_code INTEGER)
BEGIN
DECLARE v_dynSQL VARCHAR(200);
SET v_dynSQL = ‘UPDATE ? SET ?=? WHERE ?=?’;
PREPARE v_stmt1 FROM v_dynSQL;
EXECUTE v_stmt1 USING tab_name, col_name1, new_count, col_name2, item_code; END
D.    CREATE PROCEDURE update_count5 (INnew_count INTEGER, IN item_code INTEGER)
BEGIN
DECLARE v_dynSQL VARCHAR(200);
DECLARE v_col_name VARCHAR(128);
SET v_col_name = ‘item_number’;
SET v_dynSQL = ‘UPDATE stock SET quantity_on_hand=? WHERE ?=?’; PREPARE v_stmt1
FROM v_dynSQL;
EXECUTE v_stmt1 USING new_count, v_col_name, item_code; END

Answer: A

QUESTION 7
A developer wants to code the following statements in an SQL procedure:

What order must these statements be coded in?

A.    1, 2, 3, 4
B.    2, 4, 3, 1
C.    3, 4, 2, 1
D.    4, 3, 2, 1

Answer: B

QUESTION 8
A developer needs to create a user-defined function that will return a list of employees who work in a particular department. Which statement will successfully create a function that meets this objective?

A.    CREATE FUNCTIONdept_employees (deptno CHAR(3))
RETURNS TABLE
LANGUAGE SQL
READS SQL DATA
RETURN
SELECT empno, lastname AS l_name, firstnme AS f_name FROM employee
WHERE employee.workdept = dept_employees.deptno
B.    CREATE FUNCTIONdept_employees (deptno CHAR(3))
RETURNS TABLE
DYNAMIC RESULT SETS 1
LANGUAGE SQL
READS SQL DATA
DECLARE emp_info CURSOR WITH RETURN FOR
SELECT empno, lastname AS l_name, firstnme AS f_name FROM employee
WHERE employee.workdept = dept_employees.deptno
OPEN emp_info;
RETURN
C.    CREATE FUNCTIONdept_employees (deptno CHAR(3))
RETURNS TABLE (empno CHAR(6),
l_nameVARCHAR(15),
f_nameVARCHAR(12))
LANGUAGE SQL
READS SQL DATA
RETURN
SELECT empno, lastname AS l_name, firstnme AS f_name FROM employee
WHERE employee.workdept = dept_employees.deptno
D.    CREATE FUNCTIONdept_employees (deptno CHAR(3))
RETURNS TABLE (empno CHAR(6),
l_nameVARCHAR(15),
f_nameVARCHAR(12))
DYNAMIC RESULT SETS 1
LANGUAGE SQL
READS SQL DATA
DECLARE emp_info CURSOR WITH RETURN FOR
SELECT empno, lastname AS l_name, firstnme AS f_name FROM employee
WHERE employee.workdept = dept_employees.deptno
OPEN emp_info;
RETURN

Answer: C

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