How can you merge and deduplicate the same column data in Oracle?

To merge and deduplicate data in the same column, you can utilize Oracle’s DISTINCT keyword and the string concatenation function LISTAGG.

You can use the following SQL statement to combine and remove duplicates in the same column of a table named ‘table_name’ with column name ‘column_name’.

Aggregate the distinct values from a specific column in a specified order, separated by commas, in a given table.

This will return a comma-separated string containing all unique values in that column. The ORDER BY clause can be modified accordingly to sort the results.