最新的IBM Assessment: DB2 9.7 SQL Procedure Developer - A2090-545免費考試真題

A. If the EMPLOYEE_TEMP table exists, the execution order is 4,1,2,3.

B. If the EMPLOYEE_TEMP table does not exist, the execution order is 4,1,3.

C. If the messages table does not exist, the SQL procedure will still compile.

D. If the EMPLOYEE_TEMP table does not exist, the execution order is 1,4,3.

E. If the EMPLOYEE_TEMP table exists, the execution order is 1,2,3.

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 my_cur CURSOR FOR SELECT * FROM employee;
DECLARE a DOUBLE;
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
SET commission = 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 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

A. 100

B. 50

C. 51

D. 102

A. Re-execute the current statement.

B. Change the value of any variables used.

C. Change the order of statements being executed.

D. Edit the procedure and continue.

A. The VARCHAR2 data type treats empty strings as null; the VARCHAR data type treats empty strings as not null with zero length.

B. The VARCHAR2 data type length is limited to 2000 bytes; the VARCHAR data type length can be up to 32K.

C. The VARCHAR data type cannot be used with a database that has been created in Oracle compatibility mode.

D. The VARCHAR2 data type cannot be used in a database that has not been created in Oracle compatibility mode.

A. 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

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_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

A. Values cannot be assigned to variables inside ERROR HANDLERS.

B. The result of a GET DIAGNOSTICS statement cannot be assigned to a variable.

C. A DATETIME value can be assigned to a DATE variable.

D. A TIMESTAMP value can be assigned to a TIME variable.

A. Declaring a column as NUMBER(10,-2) is valid both in Oracle and in DB2 provided the DB2 database was created in Oracle compatibility mode.

B. In DB2, the NUMBER data type is the same as in Oracle, provided the DB2 database was created in Oracle compatibility mode.

C. In DB2, the NUMBER data type has maximum precision of 31; in Oracle, it has a maximum precision of 38.

D. Declaring a column as NUMBER(6,8) is valid both in Oracle and in DB2 provided the DB2 database was created in Oracle compatibility mode.

A. 66

B. 0

C. 2323

D. 1010