How to paginate in oracle

Steps to implement paging: 1. Use ROWNUM for paging query; 2. Set paging parameters before executing the query; 3. Use the "COUNT(*)" function to obtain the total number of rows, and use the "CEIL" function to round up the calculation. Total number of pages; 4. Use the "WHERE" clause in the external query to filter out a specific row number range to implement paging query. If you want to know more about how Oracle paging works, you can read the first article in this topic.