part.sqlj

orale培训教材包括了所有的sql说明和实例

// IMPORT NECESSARY Classes
import sqlj.runtime.*;
import sqlj.runtime.ref.*;
import java.sql.*;

public class Part {

  // METHODS TO INSERT, UPDATE, AND DELETE PARTS

  public static void insert (
     oracle.sql.NUMBER id,
     oracle.sql.CHAR description,
     oracle.sql.NUMBER unitPrice,
     oracle.sql.NUMBER onHand, 
     oracle.sql.NUMBER reorder ) throws SQLException {
    try {
      #sql {
        INSERT INTO parts
          VALUES (:id, :description, :unitPrice, :onHand, :reorder) };
    } catch (SQLException e) {System.err.println(e.getMessage());}      
  }

  public static void update (
     oracle.sql.NUMBER id,
     oracle.sql.CHAR description,
     oracle.sql.NUMBER unitPrice,
     oracle.sql.NUMBER onHand, 
     oracle.sql.NUMBER reorder ) throws SQLException {
    try {
      #sql {
        UPDATE parts
          SET description = :description,
              unitprice = :unitPrice,
              onhand = :onHand,
              reorder = :reorder
          WHERE id = :id };
    } catch (SQLException e) {System.err.println(e.getMessage());}      
  }

  public static void delete (oracle.sql.NUMBER id) throws SQLException {
    try {
      #sql {DELETE FROM parts WHERE id = :id };
    } catch (SQLException e) {System.err.println(e.getMessage());}      
  }
}