Steps to Connect with Database 🔥🔥 | Explained in Detail (Java Database Connectivity) - JDBC #3

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154.2 هزار بار بازدید - 5 سال پیش - What are the steps that
What are the steps that are required to connect with the database in JDBC.
I have explained in brief what are the steps to follow to connect with database and perform operations with the database.
Steps to Connect with Database , explained in Detail (Java Database Connectivity) - JDBC #3
how to connect java program with database

1) load the driver:
Class.forName("com.mysql.jdbc.Driver")//

2)Create a Connection:
Connection con=DriverManager.getConnection("jdbc:mysql://127.0.0.1:3306/dbname","root","root");


3)Create query, Statement , PreparedStatement , CallableStatement
eg
String q="select * from students";

Statement stmt=con.createStatement();

ResultSet set=stmt.executeQuery(q);

4)Process the data :

while(set.next())
{
  int id=set.getInt("studentID");
  String name=set.getString("studentName");
  System.out.println(id);
  System.out.println(name);

}

5) Close the connection:
con.close();
5 سال پیش در تاریخ 1398/04/23 منتشر شده است.
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