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There are different ways to identify SQL keywords used as column names:

1. Use a SQL editor or IDE with syntax highlighting. SQL editors or IDEs often highlight SQL keywords in a different color, making it easy to distinguish them from column names.

2. Check the SQL documentation. You can consult the SQL documentation to get a list of SQL keywords. Then, you can compare the list to the column names in your database to identify any matches.

3. Use the backtick (`) or double quotes (") around column names. In some SQL dialects, using backticks or double quotes around column names can help identify SQL keywords used as column names. For example, in MySQL, using backticks will escape a column name and treat it as a literal value, regardless of whether it is a reserved keyword.

4. Use a naming convention. It is good practice to follow a naming convention for your database objects, such as prefixing column names with a letter or phrase to avoid collisions with SQL keywords. This can make it easier to identify SQL keywords used as column names.