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By Maria Sueli Almeida; et al

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Sample text

01 MARK-ERROR-TEXT PIC X(240). * ***************************************************** * Procedure Division * ***************************************************** * PROCEDURE DIVISION USING CUST-FNAME, CUST-LNAME, CUST-ADDR, CUST-NO, MARK, MARK-ERROR-TEXT. EXEC SQL WHENEVER SQLERROR GOTO SQL-ERROR END-EXEC. DISPLAY "ADD_CUSTOMER: START". MOVE "OK" TO MARK-ERROR-TEXT. * * Get new customer number * * MOVE "ADD_CUSTOMER: GET HIGH CUSTOMER NO" TO MARK. DISPLAY "ADD_CUSTOMER: GET HIGH CUSTOMER NO".

ExecuteUpdate(sql2); } // while Chapter 3. 2 SQLJ enhanced sample Below is the SQLJ version of the Query_oi_summ stored procedure. //////////////////////////////////////////////////////////// // SQLJ Stored Procedure Query_oi_summ // // This stored procedure demonstrates: // 1) Handling null input fields. // 2) Generating interim values // into an interim results table which is returned // as a ResultSet to the client. // 3) Debugging by writing to a local file. // 4) Handling nulls returned from a query.

DISPLAY "ADD_CUSTOMER: UPDATE HIGH CUSTOMER NO". EXEC SQL UPDATE HI_CUST_NO 30 DB2 Java Stored Procedures: Learning by Example SET HI_CUST_NO = :NEW-CUST-NO END-EXEC. * * Insert into Customer table * MOVE "ADD_CUSTOMER: INSERT INTO CUSTOMER" TO MARK. DISPLAY "ADD_CUSTOMER: INSERT INTO CUSTOMER". EXEC SQL INSERT INTO CUSTOMER (CUST_NO, CUST_FIRSTNAME, CUST_LASTNAME, CUST_ADDRESS) VALUES (:NEW-CUST-NO, :CUST-FNAME, :CUST-LNAME, :CUST-ADDR) END-EXEC. MOVE NEW-CUST-NO TO CUST-NO. MOVE "ADD_CUSTOMER: COMPLETE" TO MARK.

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