Fix Oracle ROW_NUMBER Function Issues

If the ROW_NUMBER function in Oracle is not functioning properly, you can try the following solutions:

1. Make sure to use the ORDER BY clause correctly before using the ROW_NUMBER function. The ROW_NUMBER function needs to determine the row number based on the specified sorting criteria, so if the ORDER BY clause is not correctly used, the row number may not be calculated correctly.
2. Make sure that the ROW_NUMBER function is used in the correct location. The ROW_NUMBER function is a window function that should be used in the SELECT clause of a SELECT statement, and not in other clauses such as WHERE or GROUP BY.
3. Check if the syntax of the query is correct. Any errors in the query syntax can cause the ROW_NUMBER function to fail. This can be resolved by examining the syntax error message.
4. Make sure that the amount of data queried does not exceed the limit of Oracle. If the data queried is too large, it may cause the ROW_NUMBER function to not calculate correctly. Consider using pagination queries or other methods to reduce the number of query results.

If the above methods still cannot solve the problem, more specific error information and query statements can be provided to better help resolve the issue.