import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.SQLException;
public class DatabaseConnector {
public static void main(String[] args) {
String url = "jdbc:sqlserver://localhost:1433;databaseName=mydb";
String username = "username";
String password = "password";
try {
Class.forName("com.microsoft.sqlserver.jdbc.SQLServerDriver");
Connection connection = DriverManager.getConnection(url, username, password);
connection.close();
} catch (ClassNotFoundException e) {
e.printStackTrace();
} catch (SQLException e) {
e.printStackTrace();
}
}
}
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.SQLException;
import java.sql.Statement;
public class DataInsertion {
public static void main(String[] args) {
String url = "jdbc:sqlserver://localhost:1433;databaseName=mydb";
String username = "username";
String password = "password";
try {
Class.forName("com.microsoft.sqlserver.jdbc.SQLServerDriver");
Connection connection = DriverManager.getConnection(url, username, password);
Statement statement = connection.createStatement();
String sql = "INSERT INTO mytable (name, age) VALUES ('John Doe', 30)";
int rowsAffected = statement.executeUpdate(sql);
statement.close();
connection.close();
} catch (ClassNotFoundException e) {
e.printStackTrace();
} catch (SQLException e) {
e.printStackTrace();
}
}
}
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;
public class DataQuery {
public static void main(String[] args) {
String url = "jdbc:sqlserver://localhost:1433;databaseName=mydb";
String username = "username";
String password = "password";
try {
Class.forName("com.microsoft.sqlserver.jdbc.SQLServerDriver");
Connection connection = DriverManager.getConnection(url, username, password);
Statement statement = connection.createStatement();
String sql = "SELECT * FROM mytable";
ResultSet resultSet = statement.executeQuery(sql);
while (resultSet.next()) {
String name = resultSet.getString("name");
int age = resultSet.getInt("age");
}
resultSet.close();
statement.close();
connection.close();
} catch (ClassNotFoundException e) {
e.printStackTrace();
} catch (SQLException e) {
e.printStackTrace();
}
}
}
