class_docstr: Construct a SQLite database with a folder of notebooks
code: def query(self, query):
      import pandas as pd
  
      return pd.read_sql(query, con=self._conn)
  
file_path: sklearn-evaluation/src/sklearn_evaluation/nb/NotebookDatabase.py
imports: import json
  import sqlite3
  from glob import iglob
  from .NotebookIntrospector import NotebookIntrospector
label_desc: Use image node_id 3 for calling the NotebookDatabase obj's underlying member method code with example usage: obj.query(query) and returns: pd