DBMS > NebulaGraph vs. STSdb
System Properties Comparison NebulaGraph vs. STSdb
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|Editorial information provided by DB-Engines|
|Name||NebulaGraph Xexclude from comparison||STSdb Xexclude from comparison|
|Description||A distributed, linear scalable, high perfomant Graph DBMS||Key-Value Store with special method for indexing optimized for high performance using a special indexing method|
|Primary database model||Graph DBMS||Key-value store|
|Developer||Vesoft Inc.||STS Soft SC|
|Current release||4.0.8, September 2015|
|License Commercial or Open Source||Open Source Apache Version 2.0 + Common Clause 1.0||Open Source GPLv2, commercial license available|
|Cloud-based only Only available as a cloud service||no||no|
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|Server operating systems||Linux||Windows|
|Data scheme||Strong typed schema||yes|
|Typing predefined data types such as float or date||yes||yes primitive types and user defined types (classes)|
|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|
|Secondary indexes||yes Nebula Graph internally uses the Key-Value store RocksDB for persistency. The vertices, edges, and their properties are stored as Key while their values are stored as Value. The primary indexes are per Key and secondary indexes are per Value.||no|
|SQL Support of SQL||SQL-like query language||no|
|APIs and other access methods||Browser interface|
Proprietary native API
Query language nGQL
|.NET Client API|
|Supported programming languages||C++|
|Server-side scripts Stored procedures||no|
|Partitioning methods Methods for storing different data on different nodes||Sharding||none|
|Replication methods Methods for redundantly storing data on multiple nodes||Causal Clustering using Raft protocol||none|
|MapReduce Offers an API for user-defined Map/Reduce methods||no||no|
|Consistency concepts Methods to ensure consistency in a distributed system||Immediate Consistency|
|Foreign keys Referential integrity||yes Relationships in graphs||no|
|Transaction concepts Support to ensure data integrity after non-atomic manipulations of data||ACID||no|
|Concurrency Support for concurrent manipulation of data||yes||yes|
|Durability Support for making data persistent||yes using RocksDB||yes|
|In-memory capabilities Is there an option to define some or all structures to be held in-memory only.||yes|
|User concepts Access control||Role-based access control||no|
|More information provided by the system vendor|
|Specific characteristics||NebulaGraph is a truly distributed, linearly scalable, lightning-fast graph database,...|
|Competitive advantages||NebulaGraph boasts the world's only graph database solution that is able to host...|
|Typical application scenarios||Social networking Fraud detection Knowledge graph Data warehouse management Anti...|
|Key customers||Currently we have some top internet companies in China implementing NebulaGraph in...|
|Market metrics||At our very early stage, NebulaGraph has already received over 8,200 stars and thousands...|
|Licensing and pricing models||NebulaGraph is open source and free to use under Apache 2.0 license.|
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