Example usage for java.sql Connection createStatement

Introduction

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

Prototype

Statement createStatement() throws SQLException;

Source Link

Document

Creates a Statement object for sending SQL statements to the database.

Usage

From source file:Main.java

public static void main(String[] args) throws Exception {
    Connection conn = getConnection();
    conn.setAutoCommit(false);//from   w ww  . j av  a2 s  .com
    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.addBatch();

    pstmt.setString(1, "2");
    pstmt.setString(2, "name2");
    pstmt.addBatch();
    int[] updateCounts = pstmt.executeBatch();
    checkUpdateCounts(updateCounts);
    conn.commit();
    ResultSet rs = st.executeQuery("SELECT * FROM survey");
    outputResultSet(rs);
    rs.close();
    st.close();
    conn.close();
}

From source file:Main.java

public static void main(String[] argv) throws Exception {
    String driverName = "oracle.jdbc.driver.OracleDriver";
    Class.forName(driverName);//  w  ww.j  a v a 2  s  .co m

    String serverName = "127.0.0.1";
    String portNumber = "1521";
    String sid = "mydatabase";
    String url = "jdbc:oracle:thin:@" + serverName + ":" + portNumber + ":" + sid;
    String username = "username";
    String password = "password";
    Connection connection = DriverManager.getConnection(url, username, password);

    Statement stmt = connection.createStatement();

    stmt.execute("CREATE TYPE number_varray AS VARRAY(10) OF NUMBER(12, 2)");

    stmt.execute("CREATE TYPE my_object AS OBJECT(col_string2 VARCHAR(30), col_int2 INTEGER)");

    //    Column Name          Oracle Type             Java Type
    String sql = "CREATE TABLE oracle_all_table(" + "col_short           SMALLINT, " // short
            + "col_int             INTEGER, " // int
            + "col_float           REAL, " // float; can also be NUMBER
            + "col_double          DOUBLE PRECISION, " // double; can also be FLOAT or NUMBER
            + "col_bigdecimal      DECIMAL(13,0), " // BigDecimal
            + "col_string          VARCHAR2(254), " // String; can also be CHAR(n)
            + "col_characterstream LONG, " // CharacterStream or AsciiStream
            + "col_bytes           RAW(2000), " // byte[]; can also be LONG RAW(n)
            + "col_binarystream    RAW(2000), " // BinaryStream; can also be LONG RAW(n)
            + "col_timestamp       DATE, " // Timestamp
            + "col_clob            CLOB, " // Clob
            + "col_blob            BLOB, " // Blob; can also be BFILE
            + "col_array           number_varray, " // oracle.sql.ARRAY
            + "col_object          my_object)"; // oracle.sql.OBJECT

    stmt.executeUpdate(sql);

}

From source file:Main.java

public static void main(String[] args) throws Exception {
    Connection conn = getMySqlConnection();
    System.out.println("Got Connection.");
    Statement st = conn.createStatement();
    st.executeUpdate("drop table survey;");
    st.executeUpdate("create table survey (id int,name varchar(30));");
    st.executeUpdate("insert into survey (id,name ) values (1,'nameValue')");

    st = conn.createStatement();/*from w w  w .jav  a 2s  .co  m*/
    ResultSet rs = st.executeQuery("SELECT * FROM survey");

    ResultSetMetaData rsMetaData = rs.getMetaData();

    int numberOfColumns = rsMetaData.getColumnCount();
    System.out.println("resultSet MetaData column Count=" + numberOfColumns);

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

From source file:Main.java

public static void main(String[] args) throws Exception {
    Connection conn = getMySqlConnection();
    System.out.println("Got Connection.");
    Statement st = conn.createStatement();
    st.executeUpdate("drop table survey;");
    st.executeUpdate("create table survey (id int,name varchar(30));");
    st.executeUpdate("insert into survey (id,name ) values (1,'nameValue')");

    ResultSet rsColumns = null;//from   www . j av a 2 s  .  c  om
    DatabaseMetaData meta = conn.getMetaData();
    rsColumns = meta.getColumns(null, null, "survey", null);
    while (rsColumns.next()) {
        System.out.println(rsColumns.getString("TYPE_NAME"));
        System.out.println(rsColumns.getString("COLUMN_NAME"));
    }
    st.close();
    conn.close();
}

From source file:Main.java

public static void main(String args[]) throws Exception {
    Connection conn = null;
    Statement stmt = null;//from  w w w  . j a  va  2s .  co  m
    ResultSet rs = null;

    conn = getConnection();
    stmt = conn.createStatement();
    String excelQuery = "select * from [Sheet1$]";
    rs = stmt.executeQuery(excelQuery);

    while (rs.next()) {
        System.out.println(rs.getString("FirstName") + " " + rs.getString("LastName"));
    }

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

From source file:Main.java

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

    Connection conn = getHSQLConnection();

    conn.setAutoCommit(false);// w ww  .java2  s  .  c o m
    Statement st = conn.createStatement();
    st.executeUpdate("create table survey (id int,name varchar(30));");
    st.executeUpdate("insert into survey (id,name ) values (1,'nameValue')");
    st = conn.createStatement();
    ResultSet rs = st.executeQuery("SELECT * FROM survey");

    outputResultSet(rs);

    checkForWarning(rs.getWarnings());

    rs.close();
    st.close();
    conn.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   ww  w  . j av a  2s . c  o m
    ResultSet rs = connection.createStatement().executeQuery("select version() as version");
    while (rs.next()) {
        System.out.println(rs.getString("version"));
    }
}

From source file:Main.java

public static void main(String[] args) throws Exception {
    Connection conn = getHSQLConnection();
    System.out.println("Got Connection.");
    Statement st = conn.createStatement();
    st.executeUpdate("create table survey (id int,name varchar, PRIMARY KEY (id) );");
    st.executeUpdate("insert into survey (id,name ) values (1,'nameValue')");

    DatabaseMetaData meta = conn.getMetaData();
    ResultSet rs = meta.getPrimaryKeys(null, null, "survey");

    java.util.List list = new java.util.ArrayList();
    while (rs.next()) {
        String columnName = rs.getString("COLUMN_NAME");
        System.out.println("getPrimaryKeys(): columnName=" + columnName);
    }//from  w w  w.ja  va 2 s.c o m

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

From source file:Main.java

public static void main(String[] args) throws Exception {
    Connection conn = getOracleConnection();
    Statement stmt = null;//  www  .j a  v  a2s.  c  o  m
    ResultSet rs = null;
    stmt = conn.createStatement();
    //only for Oracle
    rs = stmt.executeQuery("select object_name from user_objects where object_type = 'VIEW'");

    while (rs.next()) {
        String tableName = rs.getString(1);
        System.out.println("viewName=" + tableName);
    }

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

From source file:Main.java

public static void main(String[] args) throws Exception {
    Connection conn = getHSQLConnection();

    conn.setAutoCommit(false);//from   w w  w .  j  a v a  2  s .  c o  m
    Statement st = conn.createStatement();
    try {
        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,'nameValue')");
        // commits all the transactions
        conn.commit();
    } catch (Exception e) {
        //cancel (roll back) all the transactions
        conn.rollback();
        // to see what went wrong
        e.printStackTrace();
    }

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

    outputResultSet(rs);

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