Hi Lavanya,
As per Mendix policy, No credentials were given to you to see Mendix DB of environment. Instead, You can backup your Environment DB and restore in Postgres to see the data.
Hope this helps!
Check the link for more insights about objects and caching in Mendix
Hi Lavanya R,
About Cache, this link will help you to understand
https://academy.mendix.com/link/modules/63/lectures/453/4.7-Running-Now-and-Cache