Couchbase Server 7 Released
July 29, 2021

Couchbase announced the general availability of Couchbase Server 7.

This release bridges the best aspects of relational databases like ACID transactions with the flexibility of a modern database, allowing enterprises to confidently accelerate strategic initiatives such as more quickly moving business-critical applications into the cloud, improving application flexibility and increasing developer agility. With Couchbase Server 7, enterprise development teams get one unified platform and no longer need to use one database for transactions and a separate database for developer agility and scale. This means that customers can simplify their database architectures, expand Couchbase usage into enterprise transactional applications and reduce operating costs through performance enhancements.

There is an urgent need for a database platform that can support both developing and deploying new applications and also modernizing and upgrading existing ones. Couchbase Server 7 eliminates the key friction points that have kept enterprises from modernizing their relational-based applications, giving them the agility and flexibility to accelerate the development of modern business-critical applications.

Customers benefit in many ways, including the ability to execute business transactions within their customer-facing applications, develop rich customer 360 data models and applications that drive personalization and execute long standing plans to modernize relational-based applications to the cloud. Furthermore, development teams can more easily make the transition from legacy relational databases to Couchbase’s modern database without needing to re-train team members as the platform supports the programming languages they already use, combined with the familiarity of SQL that they already know.

Couchbase Server 7 highlights include:

- Eliminating the complexities of database sprawl by adding fully mature SQL transaction capabilities. This means customers no longer need both a relational database and also a NoSQL database. Couchbase now has multi-statement SQL transactions by fusing together transactions and high-volume interactions. For the first time, customers can do multi-document SQL ACID transactions with interactions in microseconds all within one unified database platform.

- Enabling runtime updates with zero downtime through a dynamic data containment model. Couchbase Server 7 introduces schema and table-like organizing structures, called “scopes and collections,” within the schemaless database. With Couchbase Server 7 customers can add a table (the “collection”) in Couchbase, while transactions are happening without having to add or modify the schema (the “scope”) or take down the database for this upgrade. This greatly speeds up innovation cycles. The new multi-level, dynamic data organizing structure allows the platform to match and migrate relational data models into Couchbase Server 7, and then inverts ongoing control of the data structures from the database administrator to the application developer, thereby improving their productivity.

- Faster operational performance that lowers the total cost of ownership facilitated by collection-level processing of data access, partitioning and index isolation. Couchbase Server 7 also adds a configurable backup service. Data sets delivered to microservices are faster, index builds execute in parallel and indexes are portable during data rebalancing. And finally, the query service adds a cost-based query optimizer to replace its former rules-based optimization.

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