LocalDB is a specialized installation mode of SQL Server Express. It installs the necessary binaries to run SQL Server but lacks the heavy background services (the "always-on" Windows Services) typical of a full server instance.

: While larger than older formats (supporting up to 10 GB), it is still capped compared to standard SQL Server editions.

Sql Localdb Page

: While larger than older formats (supporting up to 10 GB), it is still capped compared to standard SQL Server editions. sql localdb