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Deep Dive into N1QL: Power Features and Internals in Couchbase Server 4.0

N1QL is a rich query language for JSON data. N1QL provides the following enhanced SQL statements: SELECT, INSERT, UPDATE, DELETE, MERGE. We’ll explain the advanced select-join-project-nest-unnest operations as well as data modification features in N1QL. We’ll also discuss basics of index selection and query planning in N1QL.