Namespace Illuminate\Database

Classes
Connection
DatabaseTransactionsManager
Grammar
Seeder

Interfaces
ConnectionInterface
ConnectionResolverInterface

Traits
DetectsConcurrencyErrors
DetectsLostConnections

Exceptions
MultipleRecordsFoundException
RecordsNotFoundException

Namespaces
Illuminate\Database\Concerns
Illuminate\Database\Eloquent
Illuminate\Database\Migrations
Illuminate\Database\Query
Illuminate\Database\Schema