How To Handle Table Column Named With Reserved Sql Keyword?

Question

I have an old table that has a column named \"RANK\" and this name is a keyword in Oracle, I don\'t know how this table created and I can\'t rename this column because it is

Answer 1

Oracle uses double quotes " to escape reserved words.

insert into mytbl ("RANK")
select "RANK" 
from other_table

One other note, Oracle requires correct case as well.

Answer 2

In my case, there is , in my query.

UPDATE SCHEMA.TABLE SET PART_NO = '1S7F530400', WHERE PART_NO = '1S7?F5304?00';

This should be:

UPDATE SCHEMA.TABLE SET PART_NO = '1S7F530400' WHERE PART_NO = '1S7?F5304?00';

Answer 3

First of all, You shall not use reserved keywords as column name and table name.

Oracle uses Double quotes " to parse reserved keywords so you can parse the keywords by placing it in doubles quotes "".

insert into mytbl ("RANK")
select "RANK" 
from other_table