求大神解答一个数据库语句的问题
<br /> SELECT `id` , `time` , `title`<br /> FROM `think_infor`<br /> WHERE `type` LIKE '$k-%'<br /> <br /> UNION ALL<br /> <br /> SELECT `id` , `time` , `title`<br /> FROM `think_infor2`<br /> WHERE `type` LIKE '$k-%'<br /> <br /> ORDER BY `time` DESC<br /> LIMIT 0,6<br />
SELECT `id` , `time` , `title`, 'think_infor' as tbl_name<br /> FROM `think_infor`<br /> WHERE `type` LIKE '$k-%'<br /> UNION<br /> SELECT `id` , `time` , `title`, 'think_infor2' <br /> FROM `think_infor2`<br /> WHERE `type` LIKE '$k-%'<br /> ORDER BY `time` DESC<br /> LIMIT 0,6