DBMS > NSDb vs. Sequoiadb vs. Valentina Server
System Properties Comparison NSDb vs. Sequoiadb vs. Valentina Server
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|Editorial information provided by DB-Engines|
|Name||NSDb Xexclude from comparison||Sequoiadb Xexclude from comparison||Valentina Server Xexclude from comparison|
|Description||Scalable, High-performance Time Series DBMS designed for Real-time Analytics on top of Kubernetes||NewSQL database with distributed OLTP and SQL||Object-relational database and reports server|
|Primary database model||Time Series DBMS||Document store|
|Developer||Sequoiadb Ltd.||Paradigma Software|
|License Commercial or Open Source||Open Source Apache Version 2.0||Open Source Server: AGPL; Client: Apache V2||commercial|
|Cloud-based only Only available as a cloud service||no||no||no|
|DBaaS offerings (sponsored links) Database as a Service|
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|Implementation language||Java, Scala||C++|
|Server operating systems||Linux|
|Typing predefined data types such as float or date||yes: int, bigint, decimal, string||yes oid, date, timestamp, binary, regex||yes|
|XML support Some form of processing data in XML format, e.g. support for XML data structures, and/or support for XPath, XQuery or XSLT.||no||no|
|Secondary indexes||all fields are automatically indexed||yes||yes|
|SQL Support of SQL||SQL-like query language||SQL-like query language||yes|
|APIs and other access methods||gRPC|
|proprietary protocol using JSON||ODBC|
|Supported programming languages||Java|
|Partitioning methods Methods for storing different data on different nodes||Sharding||Sharding|
|Replication methods Methods for redundantly storing data on multiple nodes||Source-replica replication|
|MapReduce Offers an API for user-defined Map/Reduce methods||no||no||no|
|Consistency concepts Methods to ensure consistency in a distributed system||Eventual Consistency||Eventual Consistency|
|Foreign keys Referential integrity||no||no||yes|
|Transaction concepts Support to ensure data integrity after non-atomic manipulations of data||no||Document is locked during a transaction|
|Concurrency Support for concurrent manipulation of data||yes||yes|
|Durability Support for making data persistent||Using Apache Lucene||yes||yes|
|In-memory capabilities Is there an option to define some or all structures to be held in-memory only.||no||yes|
|User concepts Access control||simple password-based access control||fine grained access rights according to SQL-standard|
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