Java Y Oracle

Java y Oracle ,[object Object]

Java y Oracle ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Java y Oracle ,[object Object],/ / STEP 1:Declare a Connection Variable Connection conn = null; try{ / / STEP 2: Register JDBC driver String driver = "oracle.jdbc.driver.OracleDriver"; Class.forName(driver); //STEP 3: Open a connection System.out.println("Connecting to database..."); / / Print Connecting to Database String jdbcUrl = "jdbc:oracle:thin:@3.211.62.156:1521:orcl"; / / database host String user = "hr"; / / Database User String password = “tiger"; / / Database Password conn = DriverManager.getConnection(jdbcUrl,user,password); //STEP 4: Execute a query Statement stmt = conn.createStatement(); String sql; sql = "SELECT * from jobs"; / / Querie statement ResultSet rs = stmt.executeQuery(sql); / / Executing user

Java y Oracle ,[object Object],//STEP 5: Printing the result while(rs.next()){ //Retrieve by column name String ssn= rs.getString(1); String name = rs.getString(2); System.out.println("Job ID: " + ssn); System.out.println(", Name: " + name); } //Se cierran las conexiones rs.close(); stmt.close(); conn.close(); }

Java y Oracle ,[object Object],[object Object],catch(SQLException se){ //Handle errors for JDBC se.printStackTrace(); }catch(Exception e){ //Handle errors for Class.forName e.printStackTrace(); }finally{ //finally block used to close resources try{ if(conn!=null) conn.close(); } catch(SQLException se) { se.printStackTrace(); }//end finally try }//end try System.out.println(“Error, revisar codigo!!!"); }//end main }//end FirstQuery

Java y Oracle ,[object Object],[object Object],[object Object]

Java Y Oracle

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