PreparedStatement Set Object
/*
JDBC Recipes: A Problem-Solution Approach (Problem-Solution Approach) (Hardcover)
by Mahmoud Parsian
# Publisher: Apress (September 15, 2005)
# Language: English
# ISBN: 1590595203
*/
import java.sql.Clob;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.Timestamp;
public class Main {
public static void main(String[] args) throws Exception {
ResultSet rs = null;
Connection conn = null;
PreparedStatement pstmt = null;
PreparedStatement pstmt2 = null;
conn = getOracleConnection();
String[] columnNames = { "id", "name", "content", "date_created" };
Object[] inputValues = new Object[columnNames.length];
inputValues[0] = new java.math.BigDecimal(100);
inputValues[1] = new String("String Value");
inputValues[2] = new String("This is my resume.");
inputValues[3] = new Timestamp((new java.util.Date()).getTime());
// prepare blob object from an existing binary column
String insert = "insert into resume (id, name, content, date_created ) values(?, ?, ?, ?)";
pstmt = conn.prepareStatement(insert);
pstmt.setObject(1, inputValues[0]);
pstmt.setObject(2, inputValues[1]);
pstmt.setObject(3, inputValues[2]);
pstmt.setObject(4, inputValues[3]);
pstmt.executeUpdate();
String query = "select id, name, content, date_created from resume where id=?";
pstmt2 = conn.prepareStatement(query);
pstmt2.setObject(1, inputValues[0]);
rs = pstmt2.executeQuery();
Object[] outputValues = new Object[columnNames.length];
if (rs.next()) {
for (int i = 0; i < columnNames.length; i++) {
outputValues[i] = rs.getObject(i + 1);
}
}
System.out.println("id=" + ((java.math.BigDecimal) outputValues[0]).toString());
System.out.println("name=" + ((String) outputValues[1]));
System.out.println("content=" + ((Clob) outputValues[2]));
System.out.println("date_created=" + ((java.sql.Date) outputValues[3]).toString());
rs.close();
pstmt.close();
pstmt2.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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