select attendee
from registrations
where (course, begindate) in
(select course, begindate
from offerings
where location = 'CHICAGO');
When a Subquery Returns Too Many Values(in(
转载上一篇:PLS-00428: an INTO clause is expected in this SELECT statement
下一篇:Introduction to Automatic Undo Management【每日一译】--2010-10-25
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