The quality of open source databases with views, partitions, etc as well as improvements in server hardware have made this approach much more appealing.
if you think about it, serverless lambdas are just stored procedures with bells and wistles.
Lambdas feel more like CGI scripts. Too bad they didn't just use the CGI standard instead of something proprietary.
if you think about it, php is just stored procedure with bells and whistles.
nah you have to worry about deployments of where .php were placed and mod_php and php-fpm stuff. DB can scale and you don't have to worry where SP were executed.