Function CreateJunctionTable is not checking, if the table already exists or not

[Ayush-Dutt-Sharma]

Describe the bug

backend/src/db/utils.js
createJunctionTable --> it is not checking if the table already exists or not, Table1PrimaryKey and Table2PrimaryKey can be dynamic, for bigger files optional Indexing can make querying faster.

dropOnUpdateTrigger, createOnUpdateTrigger, dropUpdatedAtTriggerFunction, createUpdateAtTriggerFunction --> needs better error handling

To Reproduce

Steps to reproduce the behavior:

1. Go to backend/src/db/utils.js

Screenshots

Platform you are having the issue on:

Code