Insert BLOG(Picture or Photo) Data Type Into Oracle Database
/*
Defining the Table: Oracle and MySql
create table MyPictures (
id INT PRIMARY KEY,
name VARCHAR(0),
photo BLOB
);
*/
import java.io.File;
import java.io.FileInputStream;
import java.io.OutputStream;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.ResultSet;
import java.sql.Statement;
import oracle.jdbc.OracleResultSet;
public class Main {
public static void main(String[] args) throws Exception {
Connection conn = getOracleConnection();
int rows = 0;
FileInputStream fin = null;
OutputStream out = null;
ResultSet rs = null;
Statement stmt = null;
oracle.sql.BLOB photo = null;
conn.setAutoCommit(false);
stmt = conn.createStatement();
String id = "001";
String binaryFileName = "fileName.dat";
rows = stmt.executeUpdate("insert into my_pictures(id, photo ) values ('" + id
+ "', empty_blob() )");
System.out.println(rows + " rows inserted");
rs = stmt.executeQuery("select photo from my_pictures where id = '" + id
+ "' for update nowait");
rs.next();
photo = ((OracleResultSet) rs).getBLOB(1);
fin = new FileInputStream(new File(binaryFileName));
out = photo.getBinaryOutputStream();
// Get the optimal buffer size from the BLOB
byte[] buffer = new byte[photo.getBufferSize()];
int length = 0;
while ((length = fin.read(buffer)) != -1) {
out.write(buffer, 0, length);
}
conn.commit();
out.close();
fin.close();
rs.close();
stmt.close();
conn.close();
}
private static Connection getHSQLConnection() throws Exception {
Class.forName("org.hsqldb.jdbcDriver");
System.out.println("Driver Loaded.");
String url = "jdbc:hsqldb:data/tutorial";
return DriverManager.getConnection(url, "sa", "");
}
public static Connection getMySqlConnection() throws Exception {
String driver = "org.gjt.mm.mysql.Driver";
String url = "jdbc:mysql://localhost/demo2s";
String username = "oost";
String password = "oost";
Class.forName(driver);
Connection conn = DriverManager.getConnection(url, username, password);
return conn;
}
public static Connection getOracleConnection() throws Exception {
String driver = "oracle.jdbc.driver.OracleDriver";
String url = "jdbc:oracle:thin:@localhost:1521:databaseName";
String username = "userName";
String password = "password";
Class.forName(driver); // load Oracle driver
Connection conn = DriverManager.getConnection(url, username, password);
return conn;
}
}
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