Example usage for java.sql Connection prepareStatement

List of usage examples for java.sql Connection prepareStatement

  1. HOME
  2. Java
  3. java
  4. java.sql.*
  5. Connection
  6. prepareStatement

Introduction

In this page you can find the example usage for java.sql Connection prepareStatement.

Prototype

PreparedStatement prepareStatement(String sql) throws SQLException;

Source Link

Document

Creates a PreparedStatement object for sending parameterized SQL statements to the database.

Usage

From source file:Main.java

public static void main(String[] args) throws Exception {
    Class.forName("org.sqlite.JDBC");

    Connection conn = DriverManager.getConnection("jdbc:sqlite:test.db");

    Statement stat = conn.createStatement();
    stat.executeUpdate("drop table if exists people;");
    stat.executeUpdate("create table people (name, occupation);");
    PreparedStatement prep = conn.prepareStatement("insert into people values (?, ?);");

    prep.setString(1, "G");
    prep.setString(2, "politics");
    prep.addBatch();/*from  ww  w. ja v a 2  s . c om*/
    prep.setString(1, "Turing");
    prep.setString(2, "computers");
    prep.addBatch();
    prep.setString(1, "W");
    prep.setString(2, "Tester");
    prep.addBatch();

    conn.setAutoCommit(false);
    prep.executeBatch();
    conn.setAutoCommit(true);

    ResultSet rs = stat.executeQuery("select * from people;");
    while (rs.next()) {
        System.out.println("name = " + rs.getString("name"));
        System.out.println("job = " + rs.getString("occupation"));
    }
    rs.close();
    conn.close();
}

From source file:DemoPreparedStatementSetBlob.java

public static void main(String[] args) throws Exception {
    Connection conn = null;
    PreparedStatement pstmt = null;
    ResultSet rs = null;//  w  w w  .j  av  a  2 s.c  om
    java.sql.Blob blob = null;
    try {
        conn = getConnection();
        // prepare blob object from an existing binary column
        pstmt = conn.prepareStatement("select photo from my_pictures where id = ?");
        pstmt.setString(1, "0001");
        rs = pstmt.executeQuery();
        rs.next();
        blob = rs.getBlob(1);

        // prepare SQL query for inserting a new row using setBlob()
        String query = "insert into blob_table(id, blob_column) values(?, ?)";
        // begin transaction
        conn.setAutoCommit(false);

        pstmt = conn.prepareStatement(query);
        pstmt.setString(1, "0002");
        pstmt.setBlob(2, blob);

        int rowCount = pstmt.executeUpdate();
        System.out.println("rowCount=" + rowCount);
        // end transaction
        conn.commit();
    } finally {
        rs.close();
        pstmt.close();
        conn.close();
    }
}

From source file:DemoDisplayBinaryDataFromDatabase.java

public static void main(String args[]) throws Exception {
    Connection conn = null;
    ResultSet rs = null;/*ww w . j ava  2 s. c  o  m*/
    PreparedStatement pstmt = null;
    String query = "SELECT raw_column, long_raw_column FROM binary_table WHERE id = ?";
    try {
        conn = getConnection();
        Object[] results = new Object[2];
        pstmt = conn.prepareStatement(query);
        pstmt.setString(1, "0001");
        rs = pstmt.executeQuery();
        rs.next();
        // materialize binary data onto client
        results[0] = rs.getBytes("RAW_COLUMN");
        results[1] = rs.getBytes("LONG_RAW_COLUMN");
    } finally {
        rs.close();
        pstmt.close();
        conn.close();
    }
}

From source file:Main.java

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

    st.executeUpdate("create table survey (id int, name VARCHAR(30) );");

    String INSERT_RECORD = "insert into survey(id, name) values(?,?)";

    PreparedStatement pstmt = conn.prepareStatement(INSERT_RECORD);
    pstmt.setString(1, "1");
    pstmt.setString(2, "name1");
    pstmt.executeUpdate();/*from www. ja v a  2s . com*/

    ResultSet rs = st.executeQuery("SELECT * FROM survey");
    outputResultSet(rs);

    pstmt.setString(1, "2");
    pstmt.setString(2, "name2");
    pstmt.executeUpdate();

    rs = st.executeQuery("SELECT * FROM survey");
    outputResultSet(rs);

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

From source file:Main.java

public static void main(String[] args) throws Exception {
    Connection conn = getConnection();
    Statement stmt = conn.createStatement();
    stmt.executeUpdate("create table survey (id int, id2 tinyint, id3 smallint, id4 bigint, id5 real);");
    String sql = "INSERT INTO survey (id2,id3,id4,id5) VALUES(?,?,?,?)";
    PreparedStatement pstmt = conn.prepareStatement(sql);
    byte b = 1;//from   w  w w .j a  va2s .c o m
    short s = 2;
    pstmt.setByte(1, b);
    pstmt.setShort(2, s);
    pstmt.setInt(3, 3);
    pstmt.setLong(4, 4L);
    pstmt.executeUpdate();

    ResultSet rs = stmt.executeQuery("SELECT * FROM survey");
    while (rs.next()) {
        System.out.println(rs.getString(2));
    }
    rs.close();
    stmt.close();
    conn.close();
}

From source file:DemoPreparedStatementSetClob.java

public static void main(String[] args) throws Exception {
    String id = "0001";
    String newID = "0002";

    ResultSet rs = null;/* www  .  ja v  a  2s  .  c o m*/
    Connection conn = null;
    PreparedStatement pstmt = null;
    try {
        conn = getConnection();
        // begin transaction
        conn.setAutoCommit(false);
        String query1 = "select clob_column from clob_table where id = ?";
        pstmt = conn.prepareStatement(query1);
        pstmt.setString(1, id);
        rs = pstmt.executeQuery();
        rs.next();
        java.sql.Clob clob = (java.sql.Clob) rs.getObject(1);
        String query = "insert into clob_table(id, clob_column) values(?, ?)";
        pstmt = conn.prepareStatement(query);
        pstmt.setString(1, newID);
        pstmt.setClob(2, clob);

        int rowCount = pstmt.executeUpdate();
        System.out.println("rowCount=" + rowCount);
        conn.commit();
    } finally {
        rs.close();
        pstmt.close();
        conn.close();
    }
}

From source file:Main.java

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

    st.executeUpdate("create table images (Id int, b BLOB);");

    File file = new File("myimage.gif");
    FileInputStream fis = new FileInputStream(file);
    PreparedStatement ps = conn.prepareStatement("insert into images values (?,?)");
    ps.setString(1, "10");
    ps.setBinaryStream(2, fis);//w w w. j a  v  a  2  s  .c o  m
    ps.executeUpdate();

    ResultSet rset = st.executeQuery("select b from images");
    InputStream stream = rset.getBinaryStream(1);
    ByteArrayOutputStream output = new ByteArrayOutputStream();
    int a1 = stream.read();
    while (a1 >= 0) {
        output.write((char) a1);
        a1 = stream.read();
    }
    Image myImage = Toolkit.getDefaultToolkit().createImage(output.toByteArray());
    output.close();

    ps.close();

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

From source file:DemoPreparedStatementSetClob.java

public static void main(String[] args) throws Exception {
    String id = "0001";
    String newID = "0002";

    ResultSet rs = null;/*from w w w  .j  a  v  a  2 s.  c om*/
    Connection conn = null;
    PreparedStatement pstmt = null;
    try {
        conn = getConnection();
        // begin transaction
        conn.setAutoCommit(false);
        String query1 = "select clob_column from clob_table where id = ?";
        pstmt = conn.prepareStatement(query1);
        pstmt.setString(1, id);
        rs = pstmt.executeQuery();
        rs.next();
        java.sql.Clob clob = (java.sql.Clob) rs.getObject(1);
        String query = "insert into clob_table(id, clob_column) values(?, ?)";
        pstmt = conn.prepareStatement(query);
        pstmt.setString(1, newID);
        pstmt.setClob(2, clob);

        // execute query, and return number of rows created
        int rowCount = pstmt.executeUpdate();
        System.out.println("rowCount=" + rowCount);
        // end transaction
        conn.commit();
    } finally {
        rs.close();
        pstmt.close();
        conn.close();
    }
}

From source file:Main.java

public static void main(String[] argv) throws Exception {
    Connection dbConnection = null;
    PreparedStatement preparedStatement = null;
    Class.forName(DB_DRIVER);//from   www .  j  av  a 2 s  . co m
    dbConnection = DriverManager.getConnection(DB_CONNECTION, DB_USER, DB_PASSWORD);
    String updateTableSQL = "UPDATE Person SET USERNAME = ? " + " WHERE USER_ID = ?";
    preparedStatement = dbConnection.prepareStatement(updateTableSQL);

    preparedStatement.setString(1, "newValue");
    preparedStatement.setInt(2, 1001);

    preparedStatement.executeUpdate();

    preparedStatement.executeUpdate();
    preparedStatement.close();
    dbConnection.close();

}

From source file:Main.java

public static void main(String[] args) throws Exception {
    Connection conn = getConnection();
    Statement stmt = conn.createStatement();

    stmt.executeUpdate("create table survey (id int, id2 tinyint, id3 smallint, id4 bigint, id5 real);");

    String sql = "INSERT INTO survey (id2,id3,id4,id5) VALUES(?,?,?,?)";
    PreparedStatement pstmt = conn.prepareStatement(sql);

    byte b = 1;//from w w  w .  j  a  v a  2  s  . co m
    short s = 2;
    pstmt.setByte(1, b);
    pstmt.setShort(2, s);
    pstmt.setInt(3, 3);
    pstmt.setLong(4, 4L);
    pstmt.executeUpdate();

    ResultSet rs = stmt.executeQuery("SELECT * FROM survey");
    while (rs.next()) {
        System.out.println(rs.getString(2));
    }

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