如何写“WHERE foo ='bar'OR foo ='baz'OR ...”，每次都不重复“foo”

Question

我是MySQL的新手并且想知道;而不是做

SELECT fields FROM table WHERE name="tim" OR name="bob" OR name="nancy" OR name="john"

如果我可以做类似

的事情

SELECT fields FROM table WHERE (name="tim" OR "bob" OR "nancy" OR "john")

Answer 1

使用IN子句：

SELECT fields FROM table WHERE name IN ("tim", "bob", "nancy", "john");

Answer 2

你可以这样做 -

SELECT fields FROM table WHERE name in("tim","bob","nancy","john")