drop database if exists maskingdb;
create database maskingdb;
use maskingdb;
create table masking (a TEXT, b TEXT, c TEXT, d TEXT, e TEXT, f TEXT, g TEXT, h TEXT);
insert into masking values ("hello", "hello", "hello", "hello", "hello", "hello", "hello", "hello");
select * from masking;
a	b	c	d	e	f	g	h
XXXXX	XXXXX	hello	hello	XXXXX	XXXXX	hello	XXXXX