diff 22-08-2019.sql 23-08-2019.sql > 22-08-2019_23-08-2019.sql.diff
patch -o 23-08-2019.sql 22-08-2019.sql 22-08-2019_23-08-2019.sql.diff
diff 22-08-2019.sql 23-08-2019.sql | gzip -c9 > 22-08-2019_23-08-2019.sql.diff.gz
gzip -dkc 22-08-2019_23-08-2019.sql.diff.gz | patch -o -c - 23-08-2019.sql 22-08-2019.sql