DBMS > EJDB vs. SAP Advantage Database Server vs. Sequoiadb
System Properties Comparison EJDB vs. SAP Advantage Database Server vs. Sequoiadb
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|Editorial information provided by DB-Engines|
|Name||EJDB Xexclude from comparison||SAP Advantage Database Server former name: Sybase ADS Xexclude from comparison||Sequoiadb Xexclude from comparison|
|Description||Embeddable document-store database library with JSON representation of queries (in MongoDB style)||Low-cost RDBMS with access to ISAM and FoxPro data structures||NewSQL database with distributed OLTP and SQL|
|Primary database model||Document store||Relational DBMS||Document store|
|Developer||Softmotions||Sybase, SAP||Sequoiadb Ltd.|
|License Commercial or Open Source||Open Source GPLv2||commercial||Open Source Server: AGPL; Client: Apache V2|
|Cloud-based only Only available as a cloud service||no||no||no|
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|Server operating systems||server-less||Linux|
|Typing predefined data types such as float or date||yes string, integer, double, bool, date, object_id||yes||yes oid, date, timestamp, binary, regex|
|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|
|SQL Support of SQL||no||yes||SQL-like query language|
|APIs and other access methods||in-process shared library||.NET Client API|
|proprietary protocol using JSON|
|Supported programming languages||Actionscript|
|Partitioning methods Methods for storing different data on different nodes||none||none||Sharding|
|Replication methods Methods for redundantly storing data on multiple nodes||none||Multi-source replication CONFLICT Trigger to resolve replication conflicts|
|MapReduce Offers an API for user-defined Map/Reduce methods||no||no||no|
|Consistency concepts Methods to ensure consistency in a distributed system||Immediate Consistency||Eventual Consistency|
|Foreign keys Referential integrity||no typically not needed, however similar functionality with collection joins possible||yes||no|
|Transaction concepts Support to ensure data integrity after non-atomic manipulations of data||no||ACID||Document is locked during a transaction|
|Concurrency Support for concurrent manipulation of data||yes Read/Write Locking||yes||yes|
|Durability Support for making data persistent||yes||yes||yes|
|In-memory capabilities Is there an option to define some or all structures to be held in-memory only.||no caching of (temporary) tables can be configured||no|
|User concepts Access control||no||fine grained access rights according to SQL-standard||simple password-based access control|
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|EJDB||SAP Advantage Database Server former name: Sybase ADS||Sequoiadb|
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