title: Fetch all records from multiple tables without using DTO/POJO classes
body: <p>I need to fetch all records from multiple table of Oracle data-base without using any DTO/POJO classes by query in spring boot.</p>
  <p>have a separate table in which, Table-Name and Primery-Key will be available with reference of these record need  fetch from different tables records from Oracle Data-Base.</p>
  <p>and not to have any impact of data types changes of fields.</p>
  <p>which is good either JDBC/HIBERNATE/JPA.</p>
  <p>if any references or examples will be appreciated.</p>
  <p>Thanks In advance.</p>