IBM IBM Certified Solution Developer C2090-545 Questions & Answers

• Question 101:

  The CREATE PROCEDURE statement shown below was executed against a database called MYDB.

  CREATE PROCEDURE myschema.proc1(INp1 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 CHAR(4), OUT p2 INTEGER, OUT p3 SMALLINT) BEGIN SET p2 = 123; END

  D. CREATE PROCEDUREotherschema.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

  Correct Answer: AD

• Question 102:

  A developer wants to code the following statements in an SQL procedure: What order must thesestatements be coded in?

  

  A. 1, 2, 3, 4

  B. 2, 4, 3, 1

  C. 3, 4, 2, 1

  D. 4, 3, 2, 1

  Correct Answer: B

• Question 103:

  What is a reason to use SQL procedures in DB2?

  A. to use different programming languages

  B. to reduce code sharing

  C. to move business logic rules into the database

  D. to eliminate the need for testing

  Correct Answer: C

• Question 104:

  Which SQL procedure declaration is coded correctly?

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

  D. 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

  Correct Answer: D

• Question 105:

  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_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

  D. 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 SETquantity_on_hand=? WHERE ?=?'; PREPARE v_stmt1 FROM v_dynSQL; EXECUTE v_stmt1 USING new_count, v_col_name, item_code; END

  Correct Answer: A

• Question 106:

  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 forthe START_VALUE parameter?

  A. 1

  B. 2

  C. 3

  D. 4

  Correct Answer: C

• Question 107:

  Given the following SQL:

  

  Which statement is incorrect?

  A. The procedure declarationrequires 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 toreturn a result set.

  D. The cursor declaration requires the WITH RETURN clause in order to return a result set.

  Correct Answer: A

• Question 108:

  Given the following SQL:

  

  Which of the following statements is true?

  A. The procedure declaration requires theDYNAMIC 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.

  Correct Answer: B

• Question 109:

  In the function shown below:

  

  Which statement can be used to invoke the function above?

  A. SELECT * FROM TABLE(fcn1('B01'))

  B. SELECT TABLE(fcn1('B01')) FROM SYSIBM.SYSDUMMY1

  C. SELECT * FROM fcn1('B01')

  D. SELECT fcn1('B01') FROM SYSIBM.SYSDUMMY1

  Correct Answer: A

• Question 110:

  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 thedatabase is quiesced.

  C. Scratchpads can be used to allocate dynamic memory required for multiple function invocations.

  D. Transactions can be terminated within external functions.

  Correct Answer: C