Query

>>> from techminer2.tools import query
>>> query(
...     expr="SELECT source_title FROM database LIMIT 5;",
...     #
...     # DATABASE PARAMS:
...     root_dir="example/",
...     database="main",
...     year_filter=(None, None),
...     cited_by_filter=(None, None),
...     sort_by=None,
... )
                                      source_title
0                      Review of Financial Studies
1  International Journal of Information Management
2                             Financial Innovation
3                           China Economic Journal
4                Journal of Economics and Business