摘要: 选 项语法Projectselect <expression>Filterwhere <expression>, distinctTestany(<expression>), all(<expression>)Join<expression> join <expression> on <expression> equals <expression>Groupgroup by <expression>, into <expression>, <expression> 阅读全文
posted @ 2011-12-14 15:26 William Jiang 阅读(138) 评论(0) 推荐(0)