DBMS > EDB Postgres vs. IRONdb vs. TiDB
System Properties Comparison EDB Postgres vs. IRONdb vs. TiDB
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|Editorial information provided by DB-Engines|
|Name||EDB Postgres Xexclude from comparison||IRONdb Xexclude from comparison||TiDB Xexclude from comparison|
|IRONdb seems to be discontinued. Therefore it is excluded from the DB-Engines Ranking.|
|Description||The EDB Postgres Platform is an enterprise-class data management platform based on the open source database PostgreSQL with flexible deployment options and Oracle compatibility features, complemented by tool kits for management, integration, and migration.||A distributed Time Series DBMS with a focus on scalability, fault tolerance and operational simplicity||TiDB is an open source distributed SQL database that supports Hybrid Transactional/Analytical Processing (HTAP) workloads. It is MySQL compatible and features horizontal scalability, strong consistency, and high availability.|
|Primary database model||Relational DBMS||Time Series DBMS||Relational DBMS|
|Secondary database models||Document store|
|Developer||EnterpriseDB||Circonus LLC.||PingCAP, Inc.|
|Current release||14, December 2021||V0.10.20, January 2018||7.2.0, June 2023|
|License Commercial or Open Source||commercial BSD for PostgreSQL-components||commercial||Open Source Apache 2.0|
|Cloud-based only Only available as a cloud service||no||no||no|
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|TiDB Cloud: Fully-managed TiDB Service. Bring everything great about TiDB to the cloud.|
|Implementation language||C||C and C++||Go, Rust|
|Server operating systems||Linux|
|Typing predefined data types such as float or date||yes||yes text, numeric, histograms||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.||no||no|
|SQL Support of SQL||yes standard with numerous extensions||SQL-like query language (Circonus Analytics Query Language: CAQL)||yes|
|APIs and other access methods||ADO.NET|
native C library
streaming API for large objects
|Supported programming languages||.Net|
|Server-side scripts Stored procedures||user defined functions realized in proprietary language PL/pgSQL or with common languages like Perl, Python, Tcl etc.||yes, in Lua||no|
|Partitioning methods Methods for storing different data on different nodes||horizontal partitioning by hash, list or range||Automatic, metric affinity per node||horizontal partitioning (by key range)|
|Replication methods Methods for redundantly storing data on multiple nodes||Multi-source replication||configurable replication factor, datacenter aware||Using Raft consensus algorithm to ensure data replication with strong consistency among multiple replicas.|
|MapReduce Offers an API for user-defined Map/Reduce methods||no||no||yes with TiSpark Connector|
|Consistency concepts Methods to ensure consistency in a distributed system||Immediate Consistency||Immediate consistency per node, eventual consistency across nodes||Immediate Consistency|
|Foreign keys Referential integrity||yes||no||yes full support since version 6.6|
|Transaction concepts Support to ensure data integrity after non-atomic manipulations of data||ACID||no||ACID|
|Concurrency Support for concurrent manipulation of data||yes, multi-version concurrency control (MVCC)||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||no||no|
|User concepts Access control||fine grained access rights according to SQL-standard||no||Fine grained access rights according to SQL-standard|
|More information provided by the system vendor|
|Specific characteristics||TiDB is an advanced open-source, distributed SQL database for modern application...|
|Competitive advantages||- HORIZONTAL SCALING : TiDB grants total transparency into your data workloads without...|
|Typical application scenarios||TiDB is ideal for transactional applications that require extreme scalability and...|
|Key customers||Block, Pinterest, Catalyst, Bolt, Capcom, Shopee (E-commerce), JD Cloud & AI (Cloud...|
|Market metrics||34K+ GitHub stars 5K+ members in TiDB Community Slack 1K+ community contributors...|
|Licensing and pricing models||TiDB Community : Free open source software (Apache 2.0) TiDB Self-Hosted : Enterprise...|
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