Duplicates

I person an ArrayListltDrawstringgt and I privation to distance repeated strings from it However tin I bash

Anybody person a speedy technique for deduplicating a generic Database successful

I privation to propulsion retired duplicate data successful a MySQL Database This tin beryllium completed with Choice code numberid arsenic cnt FROM database

Utilizing LINQ from a Databaseltintgt however tin I retrieve a database that comprises entries repeated much than erstwhile and their