Datomic

Website

datomic.com

Pricing URL

Official Datomic Pricing

$ Details

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Categories

#Databases #Relational Databases #NoSQL Databases #Network & Admin

TerminusDB

Website

terminusdb.com

Pricing URL

Official TerminusDB Pricing

$ Details

Categories

#Graph Databases #Databases #Database Tools #Online Database

Datomic features and specs

• Immutability
  Datomic employs an append-only data model where data is never overwritten but instead appended, ensuring historical data is always available and providing strong consistency.
• Time Travel Queries
  Datomic allows you to query the database as of any point in time, facilitating auditing and debugging by allowing easy access to historical data states.
• Rich Data Model
  Supports complex data types like maps and sets directly within its schema, providing a flexible way to represent data.
• ACID Transactions
  Datomic supports fully ACID-compliant transactions, ensuring reliable and predictable database operations.
• Scalability
  Separates storage and compute, allowing for horizontal scaling of read operations, making it suitable for handling large datasets.
• Query Flexibility
  Offers a powerful query language that supports recursive queries, making it suitable for complex data retrieval needs.

Possible disadvantages of Datomic

• Complexity
  The architecture of Datomic can be complex to understand and implement, particularly for teams unfamiliar with its design principles.
• Cost
  Can be expensive to operate, especially in a cloud environment, where costs increase with the amount of data stored and the compute resources required.
• Limited Write Throughput
  Due to its append-only design, Datomic can have limited write throughput, which may not be suitable for applications with heavy write requirements.
• Closed Source
  Datomic is a proprietary database system, which may not appeal to organizations that prefer open-source solutions.
• Learning Curve
  Requires a learning curve as its conceptual model and query language are different from traditional databases, potentially requiring additional training.
• Dependency on AWS
  Relying on AWS ecosystem for the storage backend can limit choices for deployment environments, impacting flexibility.

TerminusDB features and specs

• Version Control
  TerminusDB has built-in version control for data, enabling users to manage changes over time, rollback to previous versions, and track data lineage.
• Collaboration Features
  It supports collaborative workflows with branching, merging, and diffing, making it easier for teams to work together on data projects.
• Schema Enforcement
  Provides strong schema enforcement to ensure data consistency and integrity, promoting better data management practices.
• Graph Database Foundation
  Built on a powerful graph database architecture, which offers high flexibility and efficiency for managing complex and interconnected data.
• Open Source
  TerminusDB is open source, providing transparency and the ability for users to contribute to its development or customize it for their needs.

Possible disadvantages of TerminusDB

• Learning Curve
  The tool can have a steep learning curve for those unfamiliar with versioned data systems or graph databases, requiring time to master.
• Limited Community Support
  While growing, the community around TerminusDB is not as large as more established database solutions, potentially limiting peer support and resources.
• Early-Stage Features
  Some features may still be in early development stages, which might lead to fewer functionalities compared to mature database systems.
• Performance Overheads
  Version control and schema enforcement can introduce performance overheads, particularly for large datasets or highly dynamic use cases.

KotlinConf 2018 - Datomic: The Most Innovative DB You've Never Heard Of by August Lilleaas

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Welcome to TerminusDB & TerminusHub

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