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IBM Assessment: DB2 9.7 SQL Procedure Developer Sample Questions:

1. Which SQL procedure declaration is coded correctly?

A) CREATE PROCEDURE myproc(IN salary DOUBLE, OUT commission DOUBLE)
BEGIN
DECLARE a DOUBLE;
DECLARE my_cur CURSOR FOR SELECT * FROM employee;
DECLARE EXIT HANDLER FOR SQLEXCEPTION
SET commission = 0;
SET a = .06 * salary;
SET commission = a;
END
B) CREATE PROCEDURE myproc(IN salary DOUBLE, OUT commission DOUBLE)
BEGIN
DECLARE EXIT HANDLER FOR SQLEXCEPTION
SET commission = 0;
DECLARE a DOUBLE;
DECLARE my_cur CURSOR FOR SELECT * FROM employee;
SET a = .06 * salary;
SET commission = a;
END
C) CREATE PROCEDURE myproc(IN salary DOUBLE, OUT commission DOUBLE)
BEGIN
DECLARE EXIT HANDLER FOR SQLEXCEPTION
SET commission = 0;
DECLARE my_cur CURSOR FOR SELECT * FROM employee;
DECLARE a DOUBLE;
SET a = .06 * salary;
SET commission = a;
END
D) CREATE PROCEDURE myproc(IN salary DOUBLE, OUT commission DOUBLE)
BEGIN
DECLARE a DOUBLE;
DECLARE EXIT HANDLER FOR SQLEXCEPTION
SET commission = 0;
DECLARE my_cur CURSOR FOR SELECT * FROM employee;
SET a = .06 * salary;
SET commission = a;
END

2. The CREATE PROCEDURE statement shown below was executed against a database called MYDB.
CREATE PROCEDURE myschema.proc1(IN p1 INTEGER, OUT p2 CHAR(4), OUT p3 SMALLINT)
BEGIN
SET p2 = 'abc';
END
Which two CREATE PROCEDURE statements, when executed against the same database, will succeed? (Choose two.)

A) CREATE PROCEDURE myschema.proc1(IN p1 CHAR(4), OUT p2 INTEGER)
BEGIN
SET p2 = 123;
END
B) CREATE PROCEDURE myschema.proc1(IN p1 INTEGER, OUT p2 CHAR(4), OUT p3
CHAR(4))
BEGIN
SET p2 = 'abc';
END
C) CREATE PROCEDURE myschema.proc1(IN p1 NUMBER, OUT p2 NUMBER, OUT p3 NUMBER) BEGIN SET p2 = 'abc'; END
D) CREATE PROCEDURE otherschema.proc1(IN p1 CHAR(4), OUT p2 CHAR(4), OUT p3 CHAR(4)) BEGIN SET p2 = 'abc'; END
E) CREATE PROCEDURE myschema.proc1(IN p1 CHAR(4), OUT p2 INTEGER, OUT p3
SMALLINT)
BEGIN
SET p2 = 123;
END

3. Assuming C1 and C2 are cursor type variables, which of the following operations cannot be performed?

A) SET c2 = c1;
B) IF (c1 = c2) THEN ?END;
C) SET c1 = CURSOR FOR SELECT * FROM t;
D) SET c1 = CURSOR FOR VALUES ('a', 'b', 'c');

4. Which statement can be used to define an array of 30 names that have a maximum size of 25 characters each?

A) CREATE TYPE names AS VARCHAR(25) ARRAY[30];
B) CREATE TYPE names[30] VARCHAR(25);
C) CREATE ARRAY names[30] VARCHAR(25);
D) CREATE ARRAY names AS VARCHAR(25);

5. Which declaration is not valid?

A) DECLARE var1 INTEGER DEFAULT;
B) DECLARE var1 CHAR;
C) DECLARE var1 VARCHAR(20);
D) DECLARE var1 DECIMAL(9,2);

Solutions: