Change in Backup job queries for fixing an issue

[pvrk]

The column does not get created until we have new datasources pumped.

Best Practice Checklist

Check these items before submitting a PR... See the Contribution Guide for the full detail: https://github.com/Azure/azure-quickstart-templates/blob/master/1-CONTRIBUTION-GUIDE/README.md

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9. Update the metadata.json with the current date

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Changelog

[pvrk]

#sign-off