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IBM A2090-545 Exam Syllabus Topics:

IBM Assessment: DB2 9.7 SQL Procedure Developer Sample Questions:

1. Which procedure demonstrates the correct use of dynamic SQL?

A) CREATE PROCEDURE update_count5 (IN new_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
B) CREATE PROCEDURE update_count1 (IN new_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
C) CREATE PROCEDURE update_count2 (IN tab_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
D) CREATE PROCEDURE update_count4 (IN tab_name VARCHAR(128), IN col_name1
VARCHAR(128), IN col_name2 VARCHAR(128), IN
new_count INTEGER, 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

2. Which of the following statements is true for declared global temporary tables?

A) Declared temporary tables support LONG VARCHAR columns.
B) Declared global temporary tables are persistent and can be shared with multiple sessions.
C) Declared global temporary table descriptions are stored in the system catalog
D) When a session terminates, all declared global temporary tables created in the session are dropped.

3. Click the Exhibit button.

How many rows will be in table INFO2 after the procedure MOVE_DATA shown in the exhibit is executed?

A) 5
B) 4
C) 0
D) 7

4. How is the FOR statement distinct from other conditional statements?

A) FOR statements are used to iterate over rows in a defined read-only result set.
B) FOR statements have a terminating condition clause.
C) FOR statements are evaluated before each iteration of the loop.
D) FOR statements are evaluated at the completion of each iteration of the loop.

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

Solutions: