code: def define_tables(cls, metadata):
      Table(
          "plain_pk",
          metadata,
          Column("id", Integer, primary_key=True),
          Column("data", String(50)),
      )
  
file_path: sqlalchemy/lib/sqlalchemy/testing/suite/test_update_delete.py
imports: from ..None import fixtures
  from ..assertions import eq_
  from ..schema import Column
  from ..schema import Table
  from ...None import Integer
  from ...None import String
  from ...None import testing
label_desc: Use image node_id 1 for calling the SimpleUpdateDeleteTest obj's underlying member method code with example usage: obj.define_tables(cls, metadata) without return types