数据库笔记

• MySQL自动递增序号：

SELECT
	@rownum := @rownum + 1 AS 序号,
	A.* 
FROM
	SYS_TBL_FLD A,
	( SELECT @rownum := 0 ) t

• GP自动递增序号：

SELECT ROW_NUMBER() OVER (),
    A.* 
FROM
    tax_info A