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DBMS > Microsoft Azure SQL Database vs. Oracle Coherence vs. Percona Server for MySQL vs. Snowflake

System Properties Comparison Microsoft Azure SQL Database vs. Oracle Coherence vs. Percona Server for MySQL vs. Snowflake

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Editorial information provided by DB-Engines
NameMicrosoft Azure SQL Database infoformerly SQL Azure  Xexclude from comparisonOracle Coherence  Xexclude from comparisonPercona Server for MySQL  Xexclude from comparisonSnowflake  Xexclude from comparison
DescriptionDatabase as a Service offering with high compatibility to Microsoft SQL ServerOracles in-memory data grid solutionEnhanced drop-in replacement for MySQL based on XtraDB or TokuDB storage engines with improved performance and additional diagnostic and management features.Cloud-based data warehousing service for structured and semi-structured data
Primary database modelRelational DBMSKey-value storeRelational DBMSRelational DBMS
Secondary database modelsDocument store
Graph DBMS
Spatial DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score76.78
Rank#16  Overall
#11  Relational DBMS
Score1.97
Rank#129  Overall
#22  Key-value stores
Score2.10
Rank#119  Overall
#57  Relational DBMS
Score130.36
Rank#8  Overall
#5  Relational DBMS
Websiteazure.microsoft.com/­en-us/­products/­azure-sql/­databasewww.oracle.com/­java/­coherencewww.percona.com/­software/­mysql-database/­percona-serverwww.snowflake.com
Technical documentationdocs.microsoft.com/­en-us/­azure/­azure-sqldocs.oracle.com/­en/­middleware/­standalone/­coherencewww.percona.com/­downloads/­Percona-Server-LATESTdocs.snowflake.net/­manuals/­index.html
DeveloperMicrosoftOraclePerconaSnowflake Computing Inc.
Initial release2010200720082014
Current releaseV1214.1, August 20238.0.36-28, 2024
License infoCommercial or Open SourcecommercialcommercialOpen Source infoGPL version 2commercial
Cloud-based only infoOnly available as a cloud serviceyesnonoyes
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageC++JavaC and C++
Server operating systemshostedAll OS with a Java VMLinuxhosted
Data schemeyesschema-freeyesyes infosupport of semi-structured data formats (JSON, XML, Avro)
Typing infopredefined data types such as float or dateyesyesyesyes
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.yesnoyesyes
Secondary indexesyesnoyes
SQL infoSupport of SQLyesnoyesyes
APIs and other access methodsADO.NET
JDBC
ODBC
JCache
JPA
RESTful HTTP API
ADO.NET
JDBC
ODBC
CLI Client
JDBC
ODBC
Supported programming languages.Net
C#
Java
JavaScript (Node.js)
PHP
Python
Ruby
.Net
C++
Java
Ada
C
C#
C++
D
Eiffel
Erlang
Haskell
Java
Objective-C
OCaml
Perl
PHP
Python
Ruby
Scheme
Tcl
JavaScript (Node.js)
Python
Server-side scripts infoStored proceduresTransact SQLnoyesuser defined functions
Triggersyesyes infoLive Eventsyesno infosimilar concept for controling cloud resources
Partitioning methods infoMethods for storing different data on different nodesShardingyes
Replication methods infoMethods for redundantly storing data on multiple nodesyes, with always 3 replicas availableyes, with selectable consistency levelMulti-source replication
Source-replica replication
XtraDB Cluster
yes
MapReduce infoOffers an API for user-defined Map/Reduce methodsnononono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyEventual Consistency
Immediate Consistency
Immediate ConsistencyImmediate Consistency
Foreign keys infoReferential integrityyesnoyesyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDconfigurableACIDACID
Concurrency infoSupport for concurrent manipulation of datayesyesyesyes
Durability infoSupport for making data persistentyesyes infooptionallyyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesyesno
User concepts infoAccess controlfine grained access rights according to SQL-standardauthentification to access the cache via certificates or http basic authenticationUsers with fine-grained authorization concept infono user groups or rolesUsers with fine-grained authorization concept, user roles and pluggable authentication

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More resources
Microsoft Azure SQL Database infoformerly SQL AzureOracle CoherencePercona Server for MySQLSnowflake
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