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DBMS > ScyllaDB vs. TiDB vs. YugabyteDB

System Properties Comparison ScyllaDB vs. TiDB vs. YugabyteDB

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Editorial information provided by DB-Engines
NameScyllaDB  Xexclude from comparisonTiDB  Xexclude from comparisonYugabyteDB  Xexclude from comparison
DescriptionCassandra and DynamoDB compatible wide column storeTiDB 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.High-performance distributed SQL database for global, internet-scale applications. Wire and feature compatible with PostgreSQL.
Primary database modelWide column storeRelational DBMSRelational DBMS
Secondary database modelsKey-value storeDocument storeDocument store
Wide column store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score3.70
Rank#70  Overall
#5  Wide column stores
Score3.50
Rank#73  Overall
#38  Relational DBMS
Score2.23
Rank#107  Overall
#53  Relational DBMS
Websitewww.scylladb.compingcap.comwww.yugabyte.com
Technical documentationdocs.scylladb.comdocs.pingcap.com/­tidb/­stabledocs.yugabyte.com
github.com/­yugabyte/­yugabyte-db
DeveloperScyllaDBPingCAP, Inc.Yugabyte Inc.
Initial release201520162017
Current releaseScyllaDB Open Source 6.2.0, October 20248.2.0, July 20242024.2, December 2024
License infoCommercial or Open SourceOpen Source infoOpen Source (AGPL), commercial license availableOpen Source infoApache 2.0Open Source infoApache 2.0
Cloud-based only infoOnly available as a cloud servicenonono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageC++Go, RustC and C++
Server operating systemsLinuxLinuxLinux
OS X
Data schemeschema-freeyesdepending on used data model
Typing infopredefined data types such as float or dateyesyesyes
XML support infoSome form of processing data in XML format, e.g. support for XML data structures, and/or support for XPath, XQuery or XSLT.nonono
Secondary indexesyes infocluster global secondary indicesyesyes
SQL infoSupport of SQLSQL-like DML and DDL statements (CQL)yesyes, PostgreSQL compatible
APIs and other access methodsProprietary protocol (CQL) infocompatible with CQL (Cassandra Query Language, an SQL-like language)
RESTful HTTP API (DynamoDB compatible)
Thrift
GORM
JDBC
ODBC
Proprietary protocol
SQLAlchemy
JDBC
YCQL, an SQL-based flexible-schema API with its roots in Cassandra Query Language
YSQL - a fully relational SQL API that is wire compatible with the SQL language in PostgreSQL
Supported programming languagesFor CQL interface: C#, C++, Clojure, Erlang, Go, Haskell, Java, JavaScript, Node.js, Perl, PHP, Python, Ruby, Rust, Scala
For DynamoDB interface: .Net, ColdFusion, Erlang, Groovy, Java, JavaScript, Perl, PHP, Python, Ruby
Ada
C
C#
C++
D
Delphi
Eiffel
Erlang
Haskell
Java
JavaScript (Node.js)
Objective-C
OCaml
Perl
PHP
Python
Ruby
Scheme
Tcl
C
C#
C++
Go
Java
JavaScript (Node.js)
PHP
Python
Ruby
Rust
Scala
Server-side scripts infoStored proceduresyes, Luanoyes infosql, plpgsql, C
Triggersnonoyes
Partitioning methods infoMethods for storing different data on different nodesShardinghorizontal partitioning (by key range)Hash and Range Sharding, row-level geo-partitioning
Replication methods infoMethods for redundantly storing data on multiple nodesselectable replication factor infoRepresentation of geographical distribution of servers is possibleUsing Raft consensus algorithm to ensure data replication with strong consistency among multiple replicas.Based on Raft distributed consensus protocol, minimum 3 replicas for continuous availability
MapReduce infoOffers an API for user-defined Map/Reduce methodsnoyes infowith TiSpark Connectorno
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual Consistency
Tunable Consistency infocan be individually decided for each write operation
Immediate ConsistencyStrong consistency on writes and tunable consistency on reads
Foreign keys infoReferential integritynoyes infofull support since version 6.6yes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datayes infoAtomicity and isolation are supported for single operationsACIDDistributed ACID with Serializable & Snapshot Isolation. Inspired by Google Spanner architecture.
Concurrency infoSupport for concurrent manipulation of datayesyesyes
Durability infoSupport for making data persistentyesyesyes infobased on RocksDB
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yes infoin-memory tablesnono
User concepts infoAccess controlAccess rights for users can be defined per objectFine grained access rights according to SQL-standardyes

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More resources
ScyllaDBTiDBYugabyteDB
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