Oracle 判断为空 all space
Posted kakaisgood
tags:
篇首语：本文由小常识网(cha138.com)小编为大家整理，主要介绍了Oracle 判断为空 all space相关的知识，希望对你有一定的参考价值。
You can use trim on the column.
where trim(product_type) is nullThe above is not DBMS-independent, since Sybase does not provide the trim function. However, the below approach will work both in Sybase and Oracle:
where rtrim(ltrim(product_type)) is null以上是关于Oracle 判断为空 all space的主要内容，如果未能解决你的问题，请参考以下文章