plsql 常用函数 - 烟雨飘零 - 博客园
decode(条件,值1,翻译值1,值2,翻译值2, ...值n,翻译值n,缺省值) 该函数的含义如下: IF 条件=值1 THEN ... IDENTITY(<data_type>[, seed increment]) [AS column 列到新表 ...
each- Identity Decode ——CSDN问答频道
WishingBone met a ppmm in school today. He is really enthusiastic to know her name. The only information he's got is her school identity which is on her school bag. At night, ...