Oracle 的检测表栏位存在,再新增表栏位 (不积跬步,无以至千里)

-Add P5回复字段 到 Carrform1 表內

IF COL_LENGTH('FORM1','P5_Reply') IS NULL

BEGIN

ALTER TABLE FORM1 ADD P5_Reply NTEXT

PRINT 'Succedded to Add Column ReFillTxt to FORM1!'

END

ELSE

BEGIN

PRINT 'There Exists the Column ReFillTxt of FORM1!'

END