On Wed, 2021-05-26 at 17:15 +0800, 张元超 wrote:
> I encountered a problem when using PostgreSQL's comparison operators. The
> problem is as follows:
> Problem Description:
> When I use the comparison operator "!=" as the query condition, such as
> "select * from t1 where c1 !=-1", the database retu
Hi，everyone,
I encountered a problem when using PostgreSQL's comparison operators. The
problem is as follows:
Problem Description:
When I use the comparison operator "!=" as the query condition, such as "select
* from t1 where c1 !=-1", the database returns an error: "!=-operator does not
exist"
