Why does technology sharing | check(col_name < > ') turn away spaces
1. Problem description
I saw a blank question from my colleagues in the group two days ago. The general phenomenon is as follows:
mysql> select @@version;
+-----------+
| @@version |
+-----------+
| 8.0.25 |
+-----------+
1 row in set (0.00 sec)
mysql> create table t1(
-> c1 int,
-> c2 varchar(4) check(c2<>'') # ...
Posted by aaronrb on Thu, 18 Nov 2021 21:55:04 -0800