class_docstr: Class for managing database.
class_docstr_tok: ["Class","for","managing","database","."]
docstr: Return dataframe containing all experiments
  
  Returns:
      All experiments
docstr_tok: ["Return","dataframe","containing","all","experiments","Returns",":","All","experiments"]
code: def get_experiments_df(self) -> DataFrame:
      """Return dataframe containing all experiments
  
      Returns:
          All experiments
      """
  
      experiments = pd.read_sql(
          self._session.query(Experiment).statement, self.__engine__
      )
      return experiments.sort_values("id", ascending=False)
  
imports: import pandas
  from pandas.core.frame import DataFrame
  from sqlalchemy import Column, Integer, String, create_engine
  from sqlalchemy.ext.declarative import DeclarativeMeta, declarative_base
  from sqlalchemy.orm import Session
label_desc: Use image node_id 9 for calling the Database obj's underlying member method code with example usage: obj.get_experiments_df() and returns: experiments