24 lines
811 B
Java
24 lines
811 B
Java
package in.test;
|
|
import java.sql.*;
|
|
public class resultsetdemo {
|
|
public static void main(String[] args) throws Exception{
|
|
String urldb="jdbc:mysql://localhost:3306/jdbc_b2_38";
|
|
Class.forName("com.mysql.cj.jdbc.Driver");
|
|
Connection conn;
|
|
conn = DriverManager.getConnection(urldb, "root", "12345");
|
|
if(conn!=null) {
|
|
String sql = "select * from student";
|
|
Statement stmt;
|
|
stmt = conn.createStatement();
|
|
ResultSet rs = stmt.executeQuery(sql);
|
|
ResultSetMetaData rsmd = rs.getMetaData();
|
|
System.out.println("Table Name: " + rsmd.getTableName(2));
|
|
System.out.println("Table column count: " + rsmd.getColumnCount());
|
|
System.out.println("Table second column name: " + rsmd.getColumnLabel(2));
|
|
System.out.println("Table column type name: " + rsmd.getColumnTypeName(1));
|
|
|
|
}
|
|
}
|
|
|
|
}
|