以下查询对我来说非常好:
SELECT * From Customers
WHERE Customers.ContactName = (SELECT FirstName
FROM Employees as E, orders as O
WHERE <condition>
LIMIT 1);
Run Code Online (Sandbox Code Playgroud)
但是,如果我使用LIKE而不是=与子查询的结果进行比较,则不会得到任何结果。如何LIKE '%%'在上述查询中使用?