摘要: expressionexpr ::= expr binary-op expr |expr [NOT] like-op expr [ESCAPE expr] |unary-op expr |( expr ) |column-name |table-name . column-name |database-name . table-name . column-name |literal-value ... 阅读全文
posted @ 2009-10-02 17:47 M' 阅读(3400) 评论(0) 推荐(0)