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select name from emp_profile;
Result:
tom@rj6.com
In the above result how to determine whether there are trailing spaces in it or not
RTRIM()removes trailing spaces.If
RTRIM(name)varies fromname, there are trailing spaces in the field.Related functions are
LTRIM()(trims starting spaces) andTRIM()(both sides)As a side note, I would recommend removing trailing spaces (and other invalid data) during input time on application level, not in the database.