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| Percona Server | Cassandra | + Add column | |
|---|---|---|---|
| Percona Server | Apache Cassandra | ||
| Category | |||
| Preference | (36% global votes) | (36% global votes) | |
| Website | www.percona.com/software/percona-server/ | cassandra.apache.org | |
| License | |||
| Design | |||
| Database model | |||
| Data storage | |||
| Embeddable | ? | Yes | |
| Features | |||
| Query language | |||
| Data types | ? | ||
| Conditional entry updates | Yes | No | |
| Map and reduce | Yes | Yes | |
| Unicode | Yes | Yes | |
| TTL for entries | ? | Yes | |
| Compression | Yes | Yes | |
| Integrity | |||
| Integrity model | |||
| Atomicity | Yes | Yes | |
| Consistency | Yes | Yes | |
| Isolation | Yes | No | |
| Durability (data storage) | Yes | Yes | |
| Transactions | Yes | No | |
| Referential integrity | Yes | No | |
| Revision control | No | No | |
| Locking model | ? | No | |
| Indexing | |||
| Secondary Indexes | Yes | Yes | |
| Composite keys | Yes | Yes | |
| Full text search | Yes | No | |
| Geospatial Indexes | Yes | No | |
| Graph support | ? | No | |
| Distribution | |||
| Horizontal scalable | Yes | Yes | |
| Replication | Yes | Yes | |
| Replication mode | |||
| Sharding | Yes | Yes | |
| Shared nothing architecture | Yes | Yes | |
| Restrictions | |||
| Value size max. | ? | 2 GB | |
| System requirements | |||
| Operating system | |||
| Native driver | |||
| Memory minimum | ? | 512 MB | |
| Architecture | |||
| Programming language | |||
| More | |||
| Description | MySQL Performance Server | Second Generation Distributed Database | |
| Brand | |||
| Multi-user system | Yes | Conditional | |
| Free to use | Yes | Yes | |
| Active | Yes | Yes | |
| Online backup | Yes | ? | |
| Software distribution | ? | ||
| Object-Relational Mapping (ORM) | ? | Yes | |
| Release Date | ? | 2008 | |
| Documentation level | ? | ★★★★☆ | |
| Distributed Counter | ? | Yes | |
| Database Connection Pooling | ? | Yes | |
| Real time analytics | ? | No | |
| Log | ? | Yes | |
| Download | ? | cassandra.apache.org/download/ | |
| Backup functionality | ? | Good | |
| In-Place Update | ? | No | |
| Free for commercial use | ? | Yes | |
| Sorts | ? | No | |
| Tuneable write concerns | ? | Yes | |
| + Add row | + | + | |
| Percona Server | Cassandra | ||
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