code: def get_schema(frame, name, keys=None, con=None, dtype=None):
      
  
      pandas_sql = pandasSQL_builder(con=con)
      return pandas_sql._create_sql_schema(frame, name, keys=keys, dtype=dtype)
docs: Get the SQL db table schema for the given frame.
  
      Parameters
      ----------
      frame : DataFrame
      name : string
          name of SQL table
      keys : string or sequence, default: None
          columns to use a primary key
      con: an open SQL database connection object or a SQLAlchemy connectable
          Using SQLAlchemy makes it possible to use any DB supported by that
          library, default: None
          If a DBAPI2 object, only sqlite3 is supported.
      dtype : dict of column name to SQL type, default None
          Optional specifying the datatype for columns. The SQL type should
          be a SQLAlchemy type, or a string for sqlite3 fallback connection.