This guide shows you how to use Chrome DevTools to inspect Web SQL data.
View Web SQL Data
- Click the Sources tab to open the Application panel. Expand the Web SQL section to view databases and tables. In Figure 1 below html5meetup is a database and rooms is a table. - Figure 1. The Web SQL pane. 
- Click a table to view that table's data. - Figure 2. Viewing the data of the rooms Web SQL table. 
Edit Web SQL data
You can't edit Web SQL data when viewing a Web SQL table, such as in Figure 2 above. But you can run statements from the Web SQL Console that edit or delete tables. See Run Web SQL queries.
Run Web SQL queries
- Click a database to open a console for that database.
- Type a Web SQL statement, then press Enter to run it. - Figure 3. Using the Web SQL Console to delete a row from the rooms table. 
Refresh a Web SQL table
DevTools does not update tables in real-time. To update the data in a table:
- View a Web SQL table's data.
- Click Refresh . 
Filter out columns in a Web SQL table
- View a Web SQL table's data.
- Use the Visible columns text box to specify what columns you want to show. Provide the column names as a CSV list. - Figure 4. Using the Visible Columns text box to only show the - room_nameand- last_updatedcolumns.
Delete all Web SQL data
- Open the Clear Storage pane.
- Make sure that the Web SQL checkbox is enabled. - Figure 5. The Web SQL checkbox. 
- Click Clear site data. - Figure 6. The Clear Site Data button.