DBMS > Atos Standard Common Repository vs. Lovefield vs. Snowflake
System Properties Comparison Atos Standard Common Repository vs. Lovefield vs. Snowflake
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|Editorial information provided by DB-Engines|
|Name||Atos Standard Common Repository Xexclude from comparison||Lovefield Xexclude from comparison||Snowflake Xexclude from comparison|
|This system has been discontinued and will be removed from the DB-Engines ranking.|
|Primary database model||Document store|
|Relational DBMS||Relational DBMS|
|Developer||Atos Convergence Creators||Snowflake Computing Inc.|
|Current release||1703||2.1.12, February 2017|
|License Commercial or Open Source||commercial||Open Source Apache 2.0||commercial|
|Cloud-based only Only available as a cloud service||no||no||yes|
|DBaaS offerings (sponsored links) Database as a Service|
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|Data scheme||Schema and schema-less with LDAP views||yes||yes support of semi-structured data formats (JSON, XML, Avro)|
|Typing predefined data types such as float or date||optional||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||yes|
|APIs and other access methods||LDAP||CLI Client|
|Server-side scripts Stored procedures||no||no||user defined functions|
|Triggers||yes||Using read-only observers||no similar concept for controling cloud resources|
|Partitioning methods Methods for storing different data on different nodes||Sharding cell division||none||yes|
|Replication methods Methods for redundantly storing data on multiple nodes||yes||none||yes|
|MapReduce Offers an API for user-defined Map/Reduce methods||no||no|
|Consistency concepts Methods to ensure consistency in a distributed system||Immediate Consistency or Eventual Consistency depending on configuration||Immediate Consistency|
|Foreign keys Referential integrity||no||yes||yes|
|Transaction concepts Support to ensure data integrity after non-atomic manipulations of data||Atomic execution of specific operations||ACID||ACID|
|Concurrency Support for concurrent manipulation of data||yes||yes||yes|
|Durability Support for making data persistent||yes||yes, by using IndexedDB or the cloud service Firebase Realtime Database||yes|
|In-memory capabilities Is there an option to define some or all structures to be held in-memory only.||yes||yes using MemoryDB||no|
|User concepts Access control||LDAP bind authentication||no||Users with fine-grained authorization concept, user roles and pluggable authentication|
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|Atos Standard Common Repository||Lovefield||Snowflake|
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