I have 3 tables:
我有3个表:
users (id, name)
currency (id, name)
accounts (id, user_id, currency_id, amount)
users (id, name)
cI have 3 tables:
我有3个表:
users (id, name)
currency (id, name)
accounts (id, user_id, currency_id, amount)
users (id, name)
c