Laravel Eloquent "WHERE NOT IN"
Query Builder:
DB::table(..)->select(..)->whereNotIn('book_price', [100,200])->get();
Eloquent:
SomeModel::select(..)->whereNotIn('book_price', [100,200])->get();
You can use WhereNotIn in following way also:
ModelName::whereNotIn('book_price', [100,200])->get(['field_name1','field_name2']);
This will return collection of Record with specific fields