Verified queries with PG Sai Kondapalli and Harmeet Singh

[mspetroula]

Overview/Summary

Changing the State of the MySQL and PostgreSQL queries to Verified after reviewing with PG

Related Issues/Work Items

Replace this with a list of related GitHub Issues and/or ADO Work Items (Internal Only)

• To associate a GitHub Issue, use a key word preceded with the GitHub issue number.
• To associate an ADO Work Item, use the key word AB# succeeded with the ADO Work Item ID.

This PR fixes/adds/changes/removes

1. MySQL _index.md from Preview to Verified
2. PostgreSQL _index.md from Preview to Verified

Breaking Changes

1. Replace me
2. Replace me

As part of this Pull Request I have

• [ X] Read the Contribution Guide and ensured this PR is compliant with the guide
• [ X] Checked for duplicate Pull Requests
• Associated it with relevant GitHub Issues or ADO Work Items (Internal Only)
• [X ] Ensured my code/branch is up-to-date with the latest changes in the main branch
• [ X] Ensured PR tests are passing
• [X ] Performed testing and provided evidence (e.g. screenshot of output) for any changes associated to ARG queries and/or scripts

• Updated relevant and associated documentation (e.g. Contribution Guide, Docs etc.)

[ejhenry]

@mspetroula thanks for the contribution. Can you update your PR to only include the edits to the two files you want to update? The PR currently has 633 files changed.

[mspetroula]

@ejhenry only 2 modified files are now in the pull request please verify.

[oZakari]

LGTM 👍🏼

[tksh164]

LGTM👍