Flex Indexes provide the ability for a SQL++ query to use a Full Text Search index transparently with standard SQL++ syntax.
The cost-based optimizer takes into account the cost of memory, CPU, network transport, and disk usage when choosing the optimal plan to execute a query.
SQL++ Support for Couchbase Transactions
SQL++ offers full support for Couchbase ACID transactions.
Time Series Data
In Couchbase Server 7.2 and later, SQL++ enables you to store and query time series data.