Example usage for java.sql ResultSet previous

Introduction

In this page you can find the example usage for java.sql ResultSet previous.

Prototype

boolean previous() throws SQLException;

Source Link

Document

Moves the cursor to the previous row in this ResultSet object.

Usage

From source file:Main.java

public static void main(String[] args) throws Exception {
    Class.forName("com.mysql.jdbc.Driver");
    Connection connection = DriverManager.getConnection("jdbc:mysql://localhost/testdb", "root", "");

    Statement statement = connection.createStatement(ResultSet.TYPE_SCROLL_INSENSITIVE,
            ResultSet.CONCUR_READ_ONLY);
    ResultSet resultSet = statement.executeQuery("SELECT * FROM products");
    resultSet.afterLast();//from w ww . j a v a 2 s .  com
    while (resultSet.previous()) {
        String productCode = resultSet.getString("product_code");
        String productName = resultSet.getString("product_name");
        int quantity = resultSet.getInt("quantity");
        double price = resultSet.getDouble("price");

        System.out.println(productCode + "\t" + productName + "\t" + quantity + "\t" + price);
    }
    connection.close();
}

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From source file:Main.java

public static void main(String[] args) throws Exception {
    try {/* w w  w.  j  ava 2 s.  c  om*/
        String url = "jdbc:odbc:yourdatabasename";
        String driver = "sun.jdbc.odbc.JdbcOdbcDriver";
        String user = "guest";
        String password = "guest";

        Class.forName(driver);
        Connection connection = DriverManager.getConnection(url, user, password);
        Statement stmt = connection.createStatement(ResultSet.TYPE_SCROLL_INSENSITIVE,
                ResultSet.CONCUR_READ_ONLY);

        String sqlQuery = "SELECT EMPNO, EName, Job, MGR, HIREDATE FROM EMP";
        ResultSet rs = stmt.executeQuery(sqlQuery);
        rs.last();

        // Move the cursor backwards through the ResultSet
        while (rs.previous()) {
            String nbr = rs.getString(1);
            String name = rs.getString(2);
            String job = rs.getString(3);
            String mgr = rs.getString(4);
            Timestamp hireDate = rs.getTimestamp(5);
            System.out.println(name);
        }

        rs.close();
        stmt.close();
        connection.close();
    } catch (Exception e) {
        System.err.println(e);
    }
}

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From source file:Main.java

public static void main(String[] args) throws Exception {
    Connection conn = getConnection();
    Statement st = conn.createStatement(ResultSet.TYPE_SCROLL_SENSITIVE, ResultSet.CONCUR_READ_ONLY);

    st.executeUpdate("create table survey (id int,name varchar(30));");
    st.executeUpdate("insert into survey (id,name ) values (1,'nameValue')");
    st.executeUpdate("insert into survey (id,name ) values (2,null)");
    st.executeUpdate("insert into survey (id,name ) values (3,'Tom')");
    ResultSet rs = st.executeQuery("SELECT * FROM survey");

    // Move cursor to the end, after the last row
    rs.afterLast();//  ww w.j ava 2 s  .  co  m
    //String id = rs.getString("id");//Exception
    rs.previous();
    // Get data at cursor
    String id = rs.getString("id");
    System.out.println(id);

    rs.close();
    st.close();
    conn.close();
}

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From source file:Main.java

public static void main(String[] argv) throws Exception {
    String driverName = "com.jnetdirect.jsql.JSQLDriver";
    Class.forName(driverName);// w  w w. j  av  a  2  s  . c  o m

    String serverName = "127.0.0.1";
    String portNumber = "1433";
    String mydatabase = serverName + ":" + portNumber;
    String url = "jdbc:JSQLConnect://" + mydatabase;
    String username = "username";
    String password = "password";

    Connection connection = DriverManager.getConnection(url, username, password);
    // Create a scrollable result set
    Statement stmt = connection.createStatement(ResultSet.TYPE_SCROLL_INSENSITIVE, ResultSet.CONCUR_READ_ONLY);
    ResultSet resultSet = stmt.executeQuery("SELECT * FROM my_table");

    while (resultSet.next()) {
        // Get data at cursor
        String s = resultSet.getString(1);
    }

    while (resultSet.previous()) {
        // Get data at cursor
        String s = resultSet.getString(1);
    }

    // Move cursor to the first row
    resultSet.first();

    // Move cursor to the last row
    resultSet.last();

    // Move cursor to the end, after the last row
    resultSet.afterLast();

}

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From source file:Main.java

public static void main(String[] args) throws Exception {
    Connection conn = getConnection();
    Statement st = conn.createStatement(ResultSet.TYPE_SCROLL_SENSITIVE, ResultSet.CONCUR_READ_ONLY);

    st.executeUpdate("create table survey (id int,name varchar(30));");
    st.executeUpdate("insert into survey (id,name ) values (1,'nameValue')");
    st.executeUpdate("insert into survey (id,name ) values (2,null)");
    st.executeUpdate("insert into survey (id,name ) values (3,'Tom')");
    ResultSet rs = st.executeQuery("SELECT * FROM survey");
    // Move cursor forward
    while (rs.next()) {
        String id = rs.getString("id");
        System.out.println(id);/*from w  w w  . j  a v a2  s. co m*/
    }
    // Move cursor backward
    while (rs.previous()) {
        // Get data at cursor
        String id = rs.getString("id");
        System.out.println(id);
    }

    rs.close();
    st.close();
    conn.close();
}

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From source file:Main.java

public static void main(String[] argv) throws Exception {
    String driverName = "com.jnetdirect.jsql.JSQLDriver";
    Class.forName(driverName);//w  ww . j  ava2  s  .  co m

    String serverName = "127.0.0.1";
    String portNumber = "1433";
    String mydatabase = serverName + ":" + portNumber;
    String url = "jdbc:JSQLConnect://" + mydatabase;
    String username = "username";
    String password = "password";

    Connection connection = DriverManager.getConnection(url, username, password);
    // Create a scrollable result set
    Statement stmt = connection.createStatement(ResultSet.TYPE_SCROLL_INSENSITIVE, ResultSet.CONCUR_READ_ONLY);
    ResultSet resultSet = stmt.executeQuery("SELECT * FROM my_table");

    // Move cursor forward
    while (resultSet.next()) {
        // Get data at cursor
        String s = resultSet.getString(1);
    }

    // Move cursor backward
    while (resultSet.previous()) {
        // Get data at cursor
        String s = resultSet.getString(1);
    }

}

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From source file:Main.java

public static void main(String[] argv) throws Exception {
    String driverName = "com.jnetdirect.jsql.JSQLDriver";
    Class.forName(driverName);/*from  www . j  a v a  2 s  .com*/

    String serverName = "127.0.0.1";
    String portNumber = "1433";
    String mydatabase = serverName + ":" + portNumber;
    String url = "jdbc:JSQLConnect://" + mydatabase;
    String username = "username";
    String password = "password";

    Connection connection = DriverManager.getConnection(url, username, password);
    // Create a scrollable result set
    Statement stmt = connection.createStatement(ResultSet.TYPE_SCROLL_INSENSITIVE, ResultSet.CONCUR_READ_ONLY);
    ResultSet resultSet = stmt.executeQuery("SELECT * FROM my_table");

    // Move cursor forward
    while (resultSet.next()) {
        // Get data at cursor
        String s = resultSet.getString(1);
    }

    // Move cursor backward
    while (resultSet.previous()) {
        // Get data at cursor
        String s = resultSet.getString(1);
    }
    // Move cursor to the last row
    resultSet.last();

}

---

From source file:Main.java

public static void main(String[] argv) throws Exception {
    String driverName = "com.jnetdirect.jsql.JSQLDriver";
    Class.forName(driverName);/*from   w w w.  j  a  va2s . co  m*/

    String serverName = "127.0.0.1";
    String portNumber = "1433";
    String mydatabase = serverName + ":" + portNumber;
    String url = "jdbc:JSQLConnect://" + mydatabase;
    String username = "username";
    String password = "password";

    Connection connection = DriverManager.getConnection(url, username, password);
    // Create a scrollable result set
    Statement stmt = connection.createStatement(ResultSet.TYPE_SCROLL_INSENSITIVE, ResultSet.CONCUR_READ_ONLY);
    ResultSet resultSet = stmt.executeQuery("SELECT * FROM my_table");

    // Move cursor forward
    while (resultSet.next()) {
        // Get data at cursor
        String s = resultSet.getString(1);
    }

    // Move cursor backward
    while (resultSet.previous()) {
        // Get data at cursor
        String s = resultSet.getString(1);
    }

    // Move cursor to the end, after the last row
    resultSet.afterLast();
}

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From source file:Main.java

public static void main(String[] argv) throws Exception {
    String driverName = "com.jnetdirect.jsql.JSQLDriver";
    Class.forName(driverName);//from w w w  .jav  a 2s.c o m

    String serverName = "127.0.0.1";
    String portNumber = "1433";
    String mydatabase = serverName + ":" + portNumber;
    String url = "jdbc:JSQLConnect://" + mydatabase;
    String username = "username";
    String password = "password";

    Connection connection = DriverManager.getConnection(url, username, password);
    // Create a scrollable result set
    Statement stmt = connection.createStatement(ResultSet.TYPE_SCROLL_INSENSITIVE, ResultSet.CONCUR_READ_ONLY);
    ResultSet resultSet = stmt.executeQuery("SELECT * FROM my_table");

    // Move cursor forward
    while (resultSet.next()) {
        // Get data at cursor
        String s = resultSet.getString(1);
    }

    // Move cursor backward
    while (resultSet.previous()) {
        // Get data at cursor
        String s = resultSet.getString(1);
    }

    // Move cursor up 3 rows from the current row. If this moves cursor beyond the first row, cursor is put before the first row
    resultSet.relative(-3);

}

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From source file:SqlWarning.java

public static void main(String[] args) {
    try {/*from  ww  w  .j  a v  a2  s . c o m*/
        Class.forName("oracle.jdbc.driver.OracleDriver").newInstance();

        String jdbcUrl = "jdbc:oracle:thin:@localhost:1521:ORCL";
        Connection conn = DriverManager.getConnection(jdbcUrl, "yourName", "mypwd");

        Statement stmt = conn.createStatement(ResultSet.TYPE_SCROLL_SENSITIVE, ResultSet.CONCUR_UPDATABLE);
        SQLWarning sw = null;

        ResultSet rs = stmt.executeQuery("Select * from employees");
        sw = stmt.getWarnings();
        System.out.println(sw.getMessage());

        while (rs.next()) {
            System.out.println("Employee name: " + rs.getString(2));
        }
        rs.previous();
        rs.updateString("name", "Jon");

    } catch (SQLException se) {
        System.out.println("SQLException occurred: " + se.getMessage());

    } catch (Exception e) {
        e.printStackTrace();

    }
}

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