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IBM C2090-545 Exam Syllabus Topics:

IBM DB2 9.7 SQL Procedure Developer Sample Questions:

1. Given the following SQL:

Which statement is incorrect?

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

2. What is a reason to use SQL procedures in DB2?

A) to use different programming languages
B) to eliminate the need for testing
C) to reduce code sharing
D) to move business logic rules into the database

3. When considering authorization for CREATE OR REPLACE PROCEDURE statements, the authorization id must have:

A) DBADM authority
B) group privileges on the table or view specified in the procedure
C) IMPLICIT_SCHEMA authority on the database
D) ownership of the existing procedure

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

A) 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
B) 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
C) 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
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

5. Which declaration is not valid?

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

Solutions: