How can I use my sql knowledge with Cloudant/Couch

Question

Some developers who have a good knowledge of querying SQL databases struggle to implement the equivalent query patterns in Cloudant/CouchDB.

How can these developers translate their SQL knowledge to Cloudant/CouchDB?

Answer 1

This community wiki page provides links to some SQL patterns showing how they may be implemented in Cloudant.

As this is a community wiki feel free to add new Q&A links here.

General database queries

• Joining two documents by key?
• How do I do the SQL equivalent of “DISTINCT” in CouchDB?
• How do I do a triple join in CouchDB?
• Inner joining by document field?
• How do I do subqueries?
• How to do a one-to-many join?
• How to do many-to-many joins?
• multiple WHERE and OR clauses
• WHERE ... IN query
• WHERE ... NOT IN query
• Performing queries across databases
• Can I do transactions and locks in CouchDB?

• Cloudant SQL Join cookbook

• Add your new Q&A links here ...

Aggregate database queries

• COUNT(*) aggregate function?

• SUM * GROUP BY queries?

• Add your new Q&A links here ...

Full text queries (lucene) - Cloudant only

• Add your new Q&A links here ...

See also

• View cookbook for SQL jockeys