DBMS > Heroic vs. Microsoft SQL Server vs. Sqrrl
System Properties Comparison Heroic vs. Microsoft SQL Server vs. Sqrrl
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|Editorial information provided by DB-Engines|
|Name||Heroic Xexclude from comparison||Microsoft SQL Server 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||Time Series DBMS built at Spotify based on Cassandra or Google Cloud Bigtable, and ElasticSearch||Microsofts flagship relational DBMS||Adaptable, secure NoSQL built on Apache Accumulo|
|Primary database model||Time Series DBMS||Relational DBMS||Document store|
Wide column store
|Secondary database models||Document store|
|Developer||Spotify||Microsoft||Amazon originally Sqrrl Data, Inc.|
|Current release||SQL Server 2019, November 2019|
|License Commercial or Open Source||Open Source Apache 2.0||commercial restricted free version is available||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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|Server operating systems||Linux|
|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.||no||yes|
|Secondary indexes||yes via Elasticsearch||yes||yes|
|SQL Support of SQL||no||yes||no|
|APIs and other access methods||HQL (Heroic Query Language, a JSON-based language)|
Tabular Data Stream (TDS)
RESTful HTTP API
|Supported programming languages||C#|
C using GLib
|Server-side scripts Stored procedures||no||Transact SQL, .NET languages, R, Python and (with SQL Server 2019) Java||no|
|Partitioning methods Methods for storing different data on different nodes||Sharding||tables can be distributed across several files (horizontal partitioning); sharding through federation||Sharding making use of Hadoop|
|Replication methods Methods for redundantly storing data on multiple nodes||yes||yes, but depending on the SQL-Server Edition||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||Eventual Consistency|
|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||no||yes||no|
|Transaction concepts Support to ensure data integrity after non-atomic manipulations of data||no||ACID||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||yes|
|User concepts Access control||fine grained access rights according to SQL-standard||Cell-level Security, Data-Centric Security, Role-Based Access Control (RBAC), Attribute-Based Access Control (ABAC)|
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|Heroic||Microsoft SQL Server||Sqrrl|
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