Example usage for java.sql Statement executeQuery

Introduction

In this page you can find the example usage for java.sql Statement executeQuery.

Prototype

ResultSet executeQuery(String sql) throws SQLException;

Source Link

Document

Executes the given SQL statement, which returns a single ResultSet object.

Usage

From source file:TestDataEncryptionIntegrity.java

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

    DriverManager.registerDriver(new oracle.jdbc.driver.OracleDriver());

    Properties prop = new Properties();
    prop.setProperty("user", "scott");
    prop.setProperty("password", "tiger");
    prop.setProperty("oracle.net.encryption_client", "REQUIRED");
    prop.setProperty("oracle.net.encryption_types_client", "( RC4_40 )");
    prop.setProperty("oracle.net.crypto_checksum_client", "REQUIRED");
    prop.setProperty("oracle.net.crypto_checksum_types_client", "( MD5 )");

    Connection conn = DriverManager.getConnection("jdbc:oracle:thin:@dssw2k01:1521:orcl", prop);
    Statement stmt = conn.createStatement();
    ResultSet rset = stmt.executeQuery(
            "select 'Hello Thin driver Encryption & Integrity " + "tester '||USER||'!' result from dual");
    while (rset.next())
        System.out.println(rset.getString(1));
    rset.close();/*from   w  ww . ja v a2s .  c o  m*/
    stmt.close();
    conn.close();
}

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From source file:TestOCINet8App.java

public static void main(String args[]) throws ClassNotFoundException, SQLException {

    Class.forName("oracle.jdbc.driver.OracleDriver");
    // or you can use:
    //  DriverManager.registerDriver(
    //   new oracle.jdbc.driver.OracleDriver());
    Connection conn = DriverManager.getConnection("jdbc:oracle:oci8:@(DESCRIPTION = "
            + "(ADDRESS_LIST = (ADDRESS = " + "(PROTOCOL = TCP)(HOST = dssw2k01)(PORT = 1521)))"
            + "(CONNECT_DATA = (SERVICE_NAME = dssw2k01)))", "scott", "tiger");

    Statement stmt = conn.createStatement();
    ResultSet rset = stmt.executeQuery("select 'Hello OCI driver tester '||USER||'!' result from dual");
    while (rset.next())
        System.out.println(rset.getString(1));
    rset.close();//from www  .ja  v a  2  s . c  om
    stmt.close();
    conn.close();
}

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From source file:Example.java

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

        Connection con = DriverManager.getConnection("jdbc:odbc:inventory", "", "");
        Statement stmt = con.createStatement();
        ResultSet rs = stmt.executeQuery("SELECT * FROM inventory ORDER BY price");

        ResultSetMetaData rsmd = rs.getMetaData();
        int numberOfColumns = rsmd.getColumnCount();
        int rowCount = 1;
        while (rs.next()) {
            for (int i = 1; i <= numberOfColumns; i++) {
                System.out.print(rs.getString(i) + " ");
            }
            rowCount++;
        }
        stmt.close();
        con.close();
    } catch (Exception e) {
        System.out.println(e);
    }
}

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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 a v  a2  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);
    Statement stmt = connection.createStatement();
    ResultSet resultSet = stmt.executeQuery("SELECT COUNT(*) FROM my_table");

    // Get the number of rows from the result set
    resultSet.next();
    int rowcount = resultSet.getInt(1);
}

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From source file:Main.java

public static void main(String[] args) throws Exception {
    Class.forName(DRIVER);/* ww  w  . j a v  a 2s. c o  m*/
    Connection connection = DriverManager.getConnection(URL, USERNAME, PASSWORD);

    Statement statement = connection.createStatement();
    ResultSet resultSet = statement.executeQuery("SELECT id, username FROM users");

    ResultSetMetaData metadata = resultSet.getMetaData();
    if (metadata.isAutoIncrement(1)) {
        System.out.println("Column ID is an auto-increment column");
    }
}

---

From source file:ResultSetExample.java

public static void main(String args[]) {
    try {/*from  ww  w.  j  av  a 2  s . c  o 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:MainClass.java

public static void main(String[] args) {

    try {/*from w ww  . j a  v a2 s. com*/
        Class.forName("COM.cloudscape.core.JDBCDriver").newInstance();

        Connection conn = DriverManager.getConnection("jdbc:cloudscape:GAMETRADER");

        Statement s = conn.createStatement();

        ResultSet rs = s.executeQuery("SELECT * FROM tableName");

        while (rs.next()) {
            int id = rs.getInt("GAMEID");
            Document manual = (Document) rs.getObject("MANUAL");
            XMLSerializer serialize = new XMLSerializer(System.out, null);
            serialize.serialize(manual);
        }

    } catch (Throwable e) {
        System.out.println("exception thrown");
        System.out.println(e);
    }
}

---

From source file:Main.java

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

    Statement st = con.createStatement();
    ResultSet rs = st.executeQuery("DESCRIBE myTable");
    ResultSetMetaData md = rs.getMetaData();
    int col = md.getColumnCount();
    for (int i = 1; i <= col; i++) {
        String col_name = md.getColumnName(i);
        System.out.println(col_name);
    }/* www .j a  va  2  s.  co  m*/
    DatabaseMetaData dbm = con.getMetaData();
    ResultSet rs1 = dbm.getColumns(null, "%", "myTable", "%");
    while (rs1.next()) {
        String col_name = rs1.getString("COLUMN_NAME");
        String data_type = rs1.getString("TYPE_NAME");
        int data_size = rs1.getInt("COLUMN_SIZE");
        int nullable = rs1.getInt("NULLABLE");
        System.out.println(col_name + " " + data_type + "(" + data_size + ")");
        if (nullable == 1) {
            System.out.println("YES");
        } else {
            System.out.println("NO");
        }
    }
}

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From source file:Main.java

public static void main(String[] args) throws Exception {
    Class.forName(DRIVER);/*from ww  w  .j  a  va  2 s  . c  o  m*/
    Connection connection = DriverManager.getConnection(URL, USERNAME, PASSWORD);

    Statement statement = connection.createStatement();
    ResultSet resultSet = statement.executeQuery("SELECT id, username FROM users");
    ResultSetMetaData metadata = resultSet.getMetaData();
    int nullability = metadata.isNullable(1);

    if (nullability == ResultSetMetaData.columnNullable) {
        System.out.println("Columns ID can have a null value");
    } else if (nullability == ResultSetMetaData.columnNoNulls) {
        System.out.println("Columns ID does not allowed to have a null value");
    } else if (nullability == ResultSetMetaData.columnNullableUnknown) {
        System.out.println("Nullability unknown");
    }
}

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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. ja  v 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);
    Statement stmt = connection.createStatement();
    ResultSet rs = stmt.executeQuery("SELECT col_blob FROM mysql_all_table");

    if (rs.next()) {
        Blob blob = rs.getBlob("col_blob");
        long blobLength = blob.length();

        int pos = 1; // position is 1-based
        int len = 10;
        byte[] bytes = blob.getBytes(pos, len);

        InputStream is = blob.getBinaryStream();
        int b = is.read();
    }
}

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