DBMS > Citus vs. dBASE vs. Sqrrl
System Properties Comparison Citus vs. dBASE vs. Sqrrl
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|Editorial information provided by DB-Engines|
|Name||Citus Xexclude from comparison||dBASE Xexclude from comparison||Sqrrl Xexclude from comparison|
|Sqrrl has been acquired by Amazon and became a part of Amazon Web Services. It has been removed from the DB-Engines ranking.|
|Description||Scalable hybrid operational and analytics RDBMS for big data use cases based on PostgreSQL||dBase was one of the first databases with a development environment on PC's. Its latest version dBase V is still sold as dBase classic, which needs a DOS Emulation. The up-to-date product is dBase plus.||Adaptable, secure NoSQL built on Apache Accumulo|
|Primary database model||Relational DBMS||Relational DBMS||Document store|
Wide column store
|Secondary database models||Document store|
|Developer||Asthon Tate||Amazon originally Sqrrl Data, Inc.|
|Current release||8.1, December 2018||dBASE 2019, 2019|
|License Commercial or Open Source||Open Source AGPL, commercial license also available||commercial||commercial|
|Cloud-based only Only available as a cloud service||no||no||no|
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|Server operating systems||Linux||DOS dBase Classic|
Windows dBase Pro
|Typing predefined data types such as float or date||yes||yes||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.||yes specific XML type available, but no XML query functionality|
|SQL Support of SQL||yes standard, with numerous extensions||no||no|
|APIs and other access methods||ADO.NET|
native C library
streaming API for large objects
|none The IDE can access other DBMS or ODBC-sources.||Accumulo Shell|
RESTful HTTP API
|Supported programming languages||.Net|
|dBase proprietary IDE||Actionscript|
C using GLib
|Server-side scripts Stored procedures||user defined functions realized in proprietary language PL/pgSQL or with common languages like Perl, Python, Tcl etc.||no The IDE can access stored procedures in other database systems.||no|
|Partitioning methods Methods for storing different data on different nodes||Sharding||none||Sharding making use of Hadoop|
|Replication methods Methods for redundantly storing data on multiple nodes||Source-replica replication other methods possible by using 3rd party extensions||none||selectable replication factor making use of Hadoop|
|MapReduce Offers an API for user-defined Map/Reduce methods||no||no||yes|
|Consistency concepts Methods to ensure consistency in a distributed system||Immediate Consistency||Immediate Consistency Document store kept consistent with combination of global timestamping, row-level transactions, and server-side consistency resolution.|
|Foreign keys Referential integrity||yes||yes||no|
|Transaction concepts Support to ensure data integrity after non-atomic manipulations of data||ACID||no not for dBase internal data, but IDE does support transactions when accessing external DBMS||Atomic updates per row, document, or graph entity|
|Concurrency Support for concurrent manipulation of data||yes||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|
|User concepts Access control||fine grained access rights according to SQL-standard||Access rights for users and roles||Cell-level Security, Data-Centric Security, Role-Based Access Control (RBAC), Attribute-Based Access Control (ABAC)|
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