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DBMS > EXASOL vs. OpenTSDB vs. Snowflake

System Properties Comparison EXASOL vs. OpenTSDB vs. Snowflake

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Editorial information provided by DB-Engines
NameEXASOL  Xexclude from comparisonOpenTSDB  Xexclude from comparisonSnowflake  Xexclude from comparison
DescriptionHigh-performance, in-memory, MPP database specifically designed for in-memory analytics.Scalable Time Series DBMS based on HBaseCloud-based data warehousing service for structured and semi-structured data
Primary database modelRelational DBMSTime Series DBMSRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score2.91
Rank#85  Overall
#44  Relational DBMS
Score1.92
Rank#110  Overall
#6  Time Series DBMS
Score2.27
Rank#103  Overall
#51  Relational DBMS
Websitewww.exasol.com/­en/­productsopentsdb.netwww.snowflake.com
Technical documentationwww.exasol.com/­en/­community/­resourcesopentsdb.net/­docs/­build/­html/­index.htmldocs.snowflake.net/­manuals/­index.html
DeveloperExasolcurrently maintained by Yahoo and other contributorsSnowflake Computing Inc.
Initial release200020112014
License infoCommercial or Open SourcecommercialOpen Source infoLGPLcommercial
Cloud-based only infoOnly available as a cloud servicenonoyes
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageJava
Server operating systemsLinux
Windows
hosted
Data schemeyesschema-freeyes infosupport of semi-structured data formats (JSON, XML, Avro)
Typing infopredefined data types such as float or dateyesnumeric data for metrics, strings for tagsyes
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.nonoyes
Secondary indexesyesno
SQL infoSupport of SQLyesnoyes
APIs and other access methods.Net
WebSocket
JDBC
ODBC
HTTP API
Telnet API
CLI Client
JDBC
ODBC
Supported programming languagesJava
Lua
Python
R
Erlang
Go
Java
Python
R
Ruby
JavaScript (Node.js)
Python
Server-side scripts infoStored proceduresuser defined functionsnouser defined functions
Triggersyesnono infosimilar concept for controling cloud resources
Partitioning methods infoMethods for storing different data on different nodesShardingSharding infobased on HBaseyes
Replication methods infoMethods for redundantly storing data on multiple nodesselectable replication factor infobased on HBaseyes
MapReduce infoOffers an API for user-defined Map/Reduce methodsyes infoHadoop integrationnono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate Consistency infobased on HBaseImmediate Consistency
Foreign keys infoReferential integrityyesnoyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDnoACID
Concurrency infoSupport for concurrent manipulation of datayesyesyes
Durability infoSupport for making data persistentyesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesnono
User concepts infoAccess controlAccess rights for users, groups and roles according to SQL-standardnoUsers with fine-grained authorization concept, user roles and pluggable authentication

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More resources
EXASOLOpenTSDBSnowflake
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