I love the idea of this tool: To provide just enough access to tables in a database to facilitate basic database admin actions without having to develop a fully-featured frontend for the database.
However, the missing feature for me to be able to efficiently use this as part of my (and my co-workers) daily workflow is saving and naming oft-used searches/filters. Without this feature, I'm required to spend too much time searching for data to view or edit quickly and then move on to another task with the same table but working with a different resultset.
I should be able to save and name multiple searches as filters for the current table. For example:
Sales in a Zip code
Sales by a sales rep
Sales of a given product
Moreover, these saved filters should allow for simple parameter prompts. For example, the "Sales in a Zip Code" would allow either a constant entered in the Zip Code column parameter, or something like "[Enter Zip Code]" where, upon selecting the "Sales in a Zip Code" filter, a modal dialog opens and allows me to enter the zip code I'm seeking using the prompt I specified (look at how this feature is implemented in Microsoft Access). If I also have a "[Enter the Sales Rep ID]" in the Sales Rep search criteria then the dialog prompts me for both criteria.
I'll add that a similar feature of naming layouts (selections of visible columns), naming sort orders (eg. "Sort by Create Date", "Sort by Delete Date, Customer Number", etc would be especially useful.
Finally, I'd note that if the above features were present, and control of Search Filters, Layouts, and Sort Orders could be controlled on the user level, you would have a tool that many of the very large user base of users of services like Airtable would profoundly appreciate and pay for. Imagine: Airtable types of features without their limitations, using my own databases that likely supports other corporate functions or websites, without giving up control.
Until such time as these features exist, I suspect I won't be able to use this tool as much as I'd love having direct control over admin access to tables that are part of our corporate workflow.