show open tables where In_Use > 0
sudo mv /etc/apt/sources.list /etc/apt/sources.list-bakdeb http://archive.ubuntu.com/ubuntu/ disco main restricted
# deb-src http://archive.ubuntu.com/ubuntu/ disco main restricted
deb http://archive.ubuntu.com/ubuntu/ disco-updates main restricted
# deb-src http://archive.ubuntu.com/ubuntu/ disco-updates main restricted
deb http://archive.ubuntu.com/ubuntu/ disco-backports main restricted
# deb-src http://archive.ubuntu.com/ubuntu/ disco-backports main restricted
deb http://security.ubuntu.com/ubuntu disco-security main restricted
# deb-src http://security.ubuntu.com/ubuntu disco-security main restricted
# deb http://archive.canonical.com/ubuntu disco partner
# deb-src http://archive.canonical.com/ubuntu disco partnersudo nano /etc/apt/sources.listsudo apt update
Select ... from accordions
INNER JOIN city ...
Limit ?, ? /*смещение, количество*/Select cities.id, ... from dilery
INNER JOIN city ...
Where cities.id in (список получен ранее)title - description - html можно поместить в одно поле типа JSON (Mysql 5.7+) . Тогда проще добавлять новые поля без изменения БД.