Example usage for java.sql DriverManager getConnection

Introduction

In this page you can find the example usage for java.sql DriverManager getConnection.

Prototype

private static Connection getConnection(String url, java.util.Properties info, Class<?> caller)
            throws SQLException

Source Link

Usage

From source file:Main.java

public static void main(String[] argv) throws Exception {

    int records = 0;

    Class.forName("com.mysql.jdbc.Driver");
    Connection con = DriverManager.getConnection("jdbc:mysql://localhost:3306/jdbctutorial", "root", "root");

    String sql = "SELECT COUNT(*) FROM mytable";
    PreparedStatement prest = con.prepareStatement(sql);
    ResultSet rs = prest.executeQuery();
    while (rs.next()) {
        records = rs.getInt(1);/*from   w w w.j av  a 2  s  . c  o m*/
    }
    System.out.println("Number of records: " + records);
    con.close();
}

From source file:Main.java

public static void main(String[] args) throws Exception {
    Class.forName("com.microsoft.jdbc.sqlserver.SQLServerDriver");

    Connection m_Connection = DriverManager.getConnection(
            "jdbc:microsoft:sqlserver://localhost:1433;DatabaseName=MyDatabase", "userid", "password");

    Statement m_Statement = m_Connection.createStatement();
    String query = "SELECT * FROM MyTable";

    ResultSet m_ResultSet = m_Statement.executeQuery(query);

    while (m_ResultSet.next()) {
        System.out.println(/*  www.jav  a2 s .  c  o  m*/
                m_ResultSet.getString(1) + ", " + m_ResultSet.getString(2) + ", " + m_ResultSet.getString(3));

    }
}

From source file:Main.java

public static void main(String[] argv) throws Exception {
    Class.forName("com.microsoft.sqlserver.jdbc.SQLServerDriver");

    Connection con = DriverManager.getConnection("jdbc:sqlserver://MYSERVER;databaseName=MYDATABASE", "USERID",
            "PASSWORD");

    CallableStatement proc_stmt = con.prepareCall("{ call generateID(?) }");

    proc_stmt.setString(1, "employee");
    ResultSet rs = proc_stmt.executeQuery();

    if (rs.next()) {
        int employeeId = rs.getInt(1);
        System.out.println("Generated employeeId: " + employeeId);
    } else {//  www .j  a v  a  2s. c  o  m
        System.out.println("Stored procedure couldn't generate new Id");
    }
}

From source file:Main.java

public static void main(String[] argv) throws Exception {
    int count = 0;
    Class.forName("com.mysql.jdbc.Driver");
    Connection con = DriverManager.getConnection("jdbc:mysql://localhost:3306/jdbctutorial", "root", "root");

    String sql = "SELECT title,year_made FROM product WHERE year_made >= ? AND year_made <= ?";
    PreparedStatement prest = con.prepareStatement(sql);
    prest.setInt(1, 2000);//  ww w.ja v  a 2  s .  c om
    prest.setInt(2, 2009);
    ResultSet rs = prest.executeQuery();
    while (rs.next()) {
        String mov_name = rs.getString(1);
        int mov_year = rs.getInt(2);
        count++;
        System.out.println(mov_name + "\t" + "- " + mov_year);
    }
    System.out.println("Number of records: " + count);
    prest.close();
    con.close();
}

From source file:Main.java

public static void main(String[] args) throws Exception {
    String hostname = "", dbname = "", username = "", password = "";
    Class.forName("org.postgresql.Driver");
    Connection connection = DriverManager.getConnection("jdbc:postgresql://" + hostname + "/" + dbname,
            username, password);//from  w w  w  .j ava  2 s  .c  o m
    ResultSet rs = connection.createStatement().executeQuery("select version() as version");
    while (rs.next()) {
        System.out.println(rs.getString("version"));
    }
}

From source file:ResultSetExample.java

public static void main(String args[]) {
    try {/*from  w  ww  .j  a  v  a  2  s . co  m*/
        Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");

        Connection con = DriverManager.getConnection("jdbc:odbc:Inventory", "", "");

        Statement stmt = con.createStatement();

        ResultSet rs = stmt.executeQuery("SELECT SupplierName,ProductName, Price "
                + "FROM ProductSuppliersView WHERE CategoryName LIKE '%BEVERAGES%' ");
        while (rs.next()) {
            String supplier = rs.getString("SupplierName");
            String product = rs.getString("ProductName");
            int price = rs.getInt("Price");

            System.out.println(supplier + " sells " + product + " for $" + price);
        }

        stmt.close();
        con.close();
    } catch (Exception e) {
        System.out.println(e);
    }
}

From source file:Main.java

public static void main(String args[]) throws Exception {
    String connectionURL = "jdbc:mysql://localhost:3306/test";
    Class.forName("com.mysql.jdbc.Driver");
    Connection con = DriverManager.getConnection(connectionURL, "login", "password");
    Statement stmt = con.createStatement();
    stmt.execute("CREATE TRIGGER obs_update BEFORE UPDATE ON obs " //
            + "FOR EACH ROW "//
            + "BEGIN "//
            + "IF OLD.voided = 0 AND NEW.voided = 1 THEN "//
            + "   DELETE FROM emp WHERE id = OLD.obs_id; "//
            + "ELSE "//
            + "   UPDATE emp SET emp.revision_token = NOW() "//
            + "   WHERE NEW.id = emp.id; "//
            + "END IF; "//
            + "END;");
    con.close();/* w  w  w .  j  av a  2 s  .com*/
}

From source file:Main.java

public static void main(String[] argv) throws Exception {

    Class.forName("com.mysql.jdbc.Driver");

    System.out.println("MySQL JDBC Driver Registered!");
    Connection connection = null;

    connection = DriverManager.getConnection("jdbc:mysql://localhost:3306/dbName", "root", "password");

    if (connection != null) {
        System.out.println("database now!");
    } else {/*from  w w  w. j  a va 2  s  .c  om*/
        System.out.println("Failed to make connection!");
    }
}

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_SENSITIVE,
            ResultSet.CONCUR_UPDATABLE);

    String query = "SELECT id, code, name, quantity, price FROM products";
    ResultSet uprs = statement.executeQuery(query);

    while (uprs.next()) {
        System.out.println(uprs.getString("id") + ":" + uprs.getString("code") + ":" + uprs.getString("name")
                + ":" + uprs.getInt("quantity") + ":" + uprs.getDouble("price"));
    }//  w  ww  . j  a  va 2s  . c o m
    uprs.first();
    uprs.updateString("name", "Java");
    uprs.updateRow();
    uprs.next();
    uprs.deleteRow();

    uprs.moveToInsertRow();
    uprs.updateString("code", "1");
    uprs.updateString("name", "Data Structures");
    uprs.updateInt("quantity", 1);
    uprs.updateDouble("price", 5.99);
    uprs.insertRow();

    uprs.beforeFirst();
    while (uprs.next()) {
        System.out.println(uprs.getString("id") + "\t" + uprs.getString("code") + "\t" + uprs.getString("name")
                + "\t" + uprs.getInt("quantity") + "\t" + uprs.getDouble("price"));
    }
    connection.close();
}

From source file:Main.java

public static void main(String args[]) throws Exception {
    Connection con = null;// w  w  w .  j av  a2 s.co m
    Class.forName("oracle.jdbc.driver.OracleDriver");
    con = DriverManager.getConnection("jdbc:oracle:thin:@192.201.32.92:1521:psprd1", "username", "password");
    String query = null;
    ResultSet rset = null;
    query = "UPDATE t1 " + " SET id = ?";
    PreparedStatement stmt = con.prepareStatement(query);
    // stmt.setInt(paramIndex++, null);
    stmt.setNull(1, java.sql.Types.INTEGER);
    stmt.executeUpdate();
    stmt.close();
    query = "select id from t1 ";
    stmt = con.prepareStatement(query);
    rset = stmt.executeQuery();
    rset.next();
    System.out.println(rset.getString("id"));
    rset.close();
    stmt.close();
    con.close();
}