create table if not exists account_values(account varchar not null, currency varchar not null, value decimal(18,2) not null);
create index if not exists idx_account_values_account on account_values(account);
create unique index if not exists un_account_values on account_values(account,currency);
create table if not exists account_values(account varchar not null, currency varchar not null, value decimal(18,2) not null);
create index if not exists idx_account_values_account on account_values(account);
create unique index if not exists un_account_values on account_values(account,currency);