DBMS > LevelDB vs. Netezza
System Properties Comparison LevelDB vs. Netezza
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|Editorial information provided by DB-Engines|
|Name||LevelDB Xexclude from comparison||Netezza Also called PureData System for Analytics by IBM Xexclude from comparison|
|Description||Embeddable fast key-value storage library that provides an ordered mapping from string keys to string values||Data warehouse and analytics appliance part of IBM PureSystems|
|Primary database model||Key-value store||Relational DBMS|
|Current release||1.23, February 2021|
|License Commercial or Open Source||Open Source BSD||commercial|
|Cloud-based only Only available as a cloud service||no||no|
|DBaaS offerings (sponsored links) Database as a Service|
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|Server operating systems||Illumos|
|Linux included in appliance|
|Typing predefined data types such as float or date||no||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.||no|
|SQL Support of SQL||no||yes|
|APIs and other access methods||JDBC|
|Supported programming languages||C++|
Java 3rd party binding
Python 3rd party binding
|Server-side scripts Stored procedures||no||yes|
|Partitioning methods Methods for storing different data on different nodes||none||Sharding|
|Replication methods Methods for redundantly storing data on multiple nodes||none||Source-replica replication|
|MapReduce Offers an API for user-defined Map/Reduce methods||no||yes|
|Consistency concepts Methods to ensure consistency in a distributed system||Immediate Consistency|
|Foreign keys Referential integrity||no||no|
|Transaction concepts Support to ensure data integrity after non-atomic manipulations of data||no||ACID|
|Concurrency Support for concurrent manipulation of data||yes||yes|
|Durability Support for making data persistent||yes with automatic compression on writes||yes|
|User concepts Access control||no||Users with fine-grained authorization concept|
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|LevelDB||Netezza Also called PureData System for Analytics by IBM|
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