How to run lower() on a variable in oracle?

@adan 

In Oracle, you can use the LOWER() function to convert a string to lowercase. Here is an example of how to run LOWER() on a variable in Oracle:

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SELECT LOWER(column_name) 
FROM table_name;

Replace "column_name" with the name of the column you want to convert to lowercase and "table_name" with the name of the table where the column is located.