Store CLOBs data into database? : Blob Clob « Database « Java Tutorial

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Java Tutorial » Database » Blob Clob 




import java.io.File;
import java.io.FileReader;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.PreparedStatement;

public class Main {
  private static String url = "jdbc:oracle:thin:@localhost:1521:xe";

  private static String username = "yourDatabase";

  private static String password = "welcome";

  public static void main(String[] argsthrows Exception {

    Class.forName("oracle.jdbc.driver.OracleDriver");
    Connection conn = DriverManager.getConnection(url, username, password);
    conn.setAutoCommit(false);

    String sql = "INSERT INTO documents (name, description, data) VALUES (?, ?, ?)";
    PreparedStatement stmt = conn.prepareStatement(sql);
    stmt.setString(1"a.txt");
    stmt.setString(2"b");

    File data = new File("C:\\a.txt");
    FileReader reader = new FileReader(data);
    stmt.setCharacterStream(3, reader, (intdata.length());
    stmt.execute();

    conn.commit();
    reader.close();
    conn.close();

  }
}














20.22.Blob Clob
20.22.1.Getting and Inserting Binary Data into an Database Table
20.22.2.Store BLOBs data into database
20.22.3.Read BLOBs data from database
20.22.4.Blob and Clob data type
20.22.5.Getting BLOB Data from a Database Table: how to retrieves bytes from a BLOB.
20.22.6.Store CLOBs data into database?
20.22.7.Read CLOBs data from database
20.22.8.Insert an Image
20.22.9.Retrieve an Image
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