DBMS > IBM Db2 Event Store vs. Realm
System Properties Comparison IBM Db2 Event Store vs. Realm
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|Editorial information provided by DB-Engines|
|Name||IBM Db2 Event Store Xexclude from comparison||Realm Xexclude from comparison|
|Description||Distributed Event Store optimized for Internet of Things use cases||A DBMS built for use on mobile devices that’s a fast, easy to use alternative to SQLite and Core Data|
|Primary database model||Event Store|
Time Series DBMS
|Developer||IBM||Realm, acquired by MongoDB in May 2019|
|License Commercial or Open Source||commercial free developer edition available||Open Source|
|Cloud-based only Only available as a cloud service||no||no|
|DBaaS offerings (sponsored links) Database as a Service|
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|Implementation language||C and C++|
|Server operating systems||Linux Linux, macOS, Windows for the developer addition||Android|
|Typing predefined data types such as float or date||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||no|
|SQL Support of SQL||yes through the embedded Spark runtime||no|
|APIs and other access methods||ADO.NET|
RESTful HTTP API
|Supported programming languages||C|
Java with Android only
|Server-side scripts Stored procedures||yes||no runs within the applications so server-side scripts are unnecessary|
|Triggers||no||yes Change Listeners|
|Partitioning methods Methods for storing different data on different nodes||Sharding||none|
|Replication methods Methods for redundantly storing data on multiple nodes||Active-active shard replication||none|
|MapReduce Offers an API for user-defined Map/Reduce methods||no||no|
|Consistency concepts Methods to ensure consistency in a distributed system||Eventual Consistency||Immediate Consistency|
|Foreign keys Referential integrity||no||no|
|Transaction concepts Support to ensure data integrity after non-atomic manipulations of data||no||ACID|
|Concurrency Support for concurrent manipulation of data||No - written data is immutable|
|Durability Support for making data persistent||Yes - Synchronous writes to local disk combined with replication and asynchronous writes in parquet format to permanent shared storage||yes|
|In-memory capabilities Is there an option to define some or all structures to be held in-memory only.||yes||yes In-Memory realm|
|User concepts Access control||fine grained access rights according to SQL-standard||yes|
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|IBM Db2 Event Store||Realm|
|DB-Engines blog posts|
MySQL, PostgreSQL and Redis are the winners of the March ranking How IBM Is Turning Db2 into an 'AI Database' IBM Builds New Ultra-Fast Platform for Hoovering Up and Analyzing ... IBM Confronts AI Resistance provided by Google News static.realm.io certificate has expired · Issue #8092 · realm/realm-swift Realm Alternatives - iOS Database | LibHunt Database for Mobile Apps | 6 Important Considerations Can I use Realm.io and data sync within a Maui Blazor Hybrid App? Realm provided by Google News Software Engineer and Android Developer
How IBM Is Turning Db2 into an 'AI Database'
IBM Builds New Ultra-Fast Platform for Hoovering Up and Analyzing ...
IBM Confronts AI Resistance
provided by Google News
static.realm.io certificate has expired · Issue #8092 · realm/realm-swift
Realm Alternatives - iOS Database | LibHunt
Database for Mobile Apps | 6 Important Considerations
Can I use Realm.io and data sync within a Maui Blazor Hybrid App?
provided by Google News
Software Engineer and Android Developer
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