""" The **esg_matching.engine** package provides the following subpackages to work with different databases
    using a common interface and making the details of database connection and specificity, transparent for
    the client application:

    - **builders:** provides modules that helps to construct database structures (columns, tables and SQL statements).
    - **connectors:** provides modules to connect to a specific database type (e.g. oracle and sql lite)
    - **sql:** provides modules to execute DML and DQL statements

"""