Record the trim method of SQL, and the full-width spaces operate in two databases at the same time.
The original SQL
select * trim (chr('') from field name) as field name from table name;
New SQL
select * trim (chr (33088) from field name) as field name from table name;
例子：
create table user（
id varchar（8） not null，
name varchar（10），
constraint user primary key （id）
）；
select * trim(chr(33088) from name) as name from user;