DBMS > PostGIS vs. ScyllaDB vs. YDB
System Properties Comparison PostGIS vs. ScyllaDB vs. YDB
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|Editorial information provided by DB-Engines|
|Name||PostGIS Xexclude from comparison||ScyllaDB Xexclude from comparison||YDB Xexclude from comparison|
|Description||Spatial extension of PostgreSQL||Cassandra and DynamoDB compatible wide column store||A distributed fault-tolerant database service, with high availability, scalability, immediate consistency and ACID transactions and providing an Amazon DynamoDB compatible API|
|Primary database model||Spatial DBMS||Wide column store||Document store|
|Secondary database models||Relational DBMS||Key-value store|
|Current release||3.3.4, July 2023||ScyllaDB Open Source 5.0, July 2022|
|License Commercial or Open Source||Open Source GPL v2.0||Open Source Open Source (AGPL), commercial license available||Open Source Apache 2.0; commercial license available|
|Cloud-based only Only available as a cloud service||no||no||no|
|DBaaS offerings (sponsored links) Database as a Service|
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|Scylla Cloud: Create real-time applications that run at global scale with Scylla Cloud, the industry’s most powerful NoSQL DBaaS|
|Server operating systems||Linux||Linux|
|Data scheme||yes||schema-free||Flexible Schema (defined schema, partial schema, schema free)|
|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||no||no|
|Secondary indexes||yes||yes cluster global secondary indices||yes|
|SQL Support of SQL||yes||SQL-like DML and DDL statements (CQL)||SQL-like query language (YQL)|
|APIs and other access methods||Proprietary protocol (CQL) compatible with CQL (Cassandra Query Language, an SQL-like language)|
RESTful HTTP API (DynamoDB compatible)
|RESTful HTTP API (DynamoDB compatible)|
|Server-side scripts Stored procedures||user defined functions||yes, Lua||no|
|Partitioning methods Methods for storing different data on different nodes||yes based on PostgreSQL||Sharding||Sharding|
|Replication methods Methods for redundantly storing data on multiple nodes||yes based on PostgreSQL||selectable replication factor Representation of geographical distribution of servers is possible||Active-passive shard replication|
|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|
Tunable Consistency can be individually decided for each write operation
|Foreign keys Referential integrity||yes||no||no|
|Transaction concepts Support to ensure data integrity after non-atomic manipulations of data||ACID||no Atomicity and isolation are supported for single operations||ACID|
|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 in-memory tables||no|
|User concepts Access control||yes based on PostgreSQL||Access rights for users can be defined per object||Access rights defined for Yandex Cloud users|
|More information provided by the system vendor|
|Specific characteristics||ScyllaDB is the database for data-intensive apps that require high performance and...|
|Competitive advantages||Highly-performant (efficiently utilizes full resources of a node and network; millions...|
|Typical application scenarios||ScyllaDB is ideal for applications that require high throughput and low latency at...|
|Key customers||Discord, Epic Games, Expedia, Zillow, Comcast, Disney+ Hotstar, Samsung, ShareChat,...|
|Market metrics||ScyllaDB typically offers ~75% total cost of ownership savings, with ~5X higher throughput...|
|Licensing and pricing models||ScyllaDB Open Source - free open source software (AGPL) ScyllaDB Enterprise - subscription-based...|
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