Learn N1QL with Real Code Examples
Updated Nov 18, 2025
Practical Examples
Fetching all users with JOIN on orders
Querying nested JSON arrays with UNNEST
Aggregating sales data
Indexing and querying product catalogs
Troubleshooting
Fix slow queries using EXPLAIN
Resolve missing index errors
Handle performance bottlenecks in JOINs
Fix mapping errors in deeply nested JSON
Testing Guide
Unit test queries with mock SDK
Validate indexing strategy
Run EXPLAIN plans on all queries
Load test with cbq and Gatling
Deployment Options
Single-node dev environment
Multi-node production cluster
Couchbase Capella cloud
Kubernetes with Couchbase Operator
Tools Ecosystem
Couchbase Query Workbench
Couchbase Web Console
Couchbase SDKs: Node.js, Java, Go, Python, .NET
Couchbase Analytics Service
FTS (Full Text Search) dashboards
Integrations
Node.js, Java, .NET, Go, Python
Kafka Connectors
Elasticsearch / OpenSearch
Spark Analytics Connector
Kubernetes with Couchbase Operator
Productivity Tips
Use array indexes for nested fields
Use EXPLAIN before production releases
Avoid SELECT * on large datasets
Cache frequently-used queries
Challenges
Build product catalog search with FTS
Create JOIN-based order-user lookup
Optimize queries using covering indexes
Process nested data using UNNEST