MySQL全外连接
全外連接
USE girls; SELECT?b.*,bo.* FROM?beauty?b FULL?OUTER?JOIN?boys?bo ON?b.`boyfriend_id`?=?bo.id;總結
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全外連接
USE girls; SELECT?b.*,bo.* FROM?beauty?b FULL?OUTER?JOIN?boys?bo ON?b.`boyfriend_id`?=?bo.id;