String url = "jdbc:redis://localhost:6379";
Connection conn = DriverManager.getConnection(url);
Statement stmt = conn.createStatement();
String sql = "SELECT * FROM mydata";
ResultSet rs = stmt.executeQuery(sql);
while (rs.next()) {
}
Statement stmt = conn.createStatement();
String sql = "SELECT COUNT(*) FROM mydata";
ResultSet rs = stmt.executeQuery(sql);
if (rs.next()) {
int count = rs.getInt(1);
}
