Document common patterns working with JSON data replicated from MongoDB CDC Connector

[jgao54]

Summary

A quick-start 1-pager to help users get started working with JSON data replicated from MongoDB CDC Connector. SQL examples have been tested locally.

[vercel]

The latest updates on your projects. Learn more about Vercel for GitHub.

Project	Deployment	Preview	Comments	Updated (UTC)
clickhouse-docs	Error			Aug 20, 2025 9:11am

3 Skipped Deployments

Project	Deployment	Preview	Comments	Updated (UTC)
clickhouse-docs-jp	Ignored			Aug 20, 2025 9:11am
clickhouse-docs-ru	Ignored	Preview		Aug 20, 2025 9:11am
clickhouse-docs-zh	Ignored	Preview		Aug 20, 2025 9:11am

[CLAassistant]

Thank you for your submission! We really appreciate it. Like many open source projects, we ask that you all sign our Contributor License Agreement before we can accept your contribution.
1 out of 2 committers have signed the CLA.

✅ Blargian
❌ jgao54
_{You have signed the CLA already but the status is still pending? Let us recheck it.}

[jgao54]

Seeing:

$ yarn redocly build-docs https://api.clickhouse.cloud/v1 --output build/cloud/manage/api/swagger.html
$ /home/runner/work/clickhouse-docs/clickhouse-docs/node_modules/.bin/redocly build-docs https://api.clickhouse.cloud/v1 --output build/cloud/manage/api/swagger.html
Found redocly.yaml and using theme.openapi options
Prerendering docs
Error: Invalid reference token: ResourceTagsV1
error Command failed with exit code 1.

doesn't seem like it's related to the PR.

[Blargian]

Seeing:

$ yarn redocly build-docs https://api.clickhouse.cloud/v1 --output build/cloud/manage/api/swagger.html
$ /home/runner/work/clickhouse-docs/clickhouse-docs/node_modules/.bin/redocly build-docs https://api.clickhouse.cloud/v1 --output build/cloud/manage/api/swagger.html
Found redocly.yaml and using theme.openapi options
Prerendering docs
Error: Invalid reference token: ResourceTagsV1
error Command failed with exit code 1.

doesn't seem like it's related to the PR.

Unrelated to this PR, sorry. Will be fixed shortly.

[Blargian]

LGTM