Script : Mark all tables for recompilation

sp_recompile - Recompiles objects.

usage : exec sp_recompile objectname tablename

Use against tables, views, triggers or stored procedures.

If you run against a table or view, it marks all SPs that reference the object to be recompiled.

So, to mark all tables (and stored procedures etc) for recompilation -

exec sp_msforeachtable  @command1="print '?'",  @command2="sp_recompile '?'"

Technet : sp_recompile