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-- Hint: use Ctrl+Enter for SQL autocomplete create table table1 ( name varchar(32) primary key, total int, price int ); insert into table1 values ('A', 10, 5), ('B', 10, 5), ('C', 10, 5); create table table2 ( name varchar(32) primary key, total2 int, price int ); insert into table2 values ('A', 5, 5), ('B', 5, 5), ('C', 5, 5); update table1 join table2 on table1.name = table2.name set table1.total = (total - total2) ; select * from table1;
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