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Database Entry

CedarDB

Forked Code OLAP OLTP

CedarDB is the commercial offering of the academic Umbra relational DBMS.[05]

Website
https://cedardb.com[01]
Tech Docs
https://cedardb.com/docs/[02]
Blog
https://cedardb.com/blog/[03]
Developers
Country of Origin
DE
Start Year
2023
Project Type
Commercial
Written in
C++
Derived From
Umbra
Compatible With
PostgreSQL
Operating Systems
Hosted, Linux
License
Proprietary
Twitter
@cedar_db[04]

Database Entry

CedarDB

Forked Code OLAP OLTP

CedarDB is the commercial offering of the academic Umbra relational DBMS.[05]

Compression

Dictionary Encoding

Same as Umbra

Concurrency Control

Multi-version Concurrency Control (MVCC)

Same as Umbra

Data Model

Relational Array / Matrix

Same as Umbra

Indexes

B+Tree

Same as Umbra

Isolation Levels

Serializable

Same as Umbra

Joins

Hash Join Semi Join Index Nested Loop Join Worst-Case Optimal Join

Same as Umbra

Parallel Execution

Intra-Operator (Horizontal) Inter-Operator (Vertical) Bushy

Same as Umbra

Query Compilation

JIT Compilation

Same as Umbra

Query Execution

Tuple-at-a-Time Model

Same as Umbra

Query Interface

SQL

Same as Umbra

Storage Architecture

Disk-oriented

Same as Umbra

Storage Format

Parquet

Same as Umbra

Storage Model

Decomposition Storage Model (Columnar)

Same as Umbra

Storage Organization

Same as Umbra

System Architecture

Same as Umbra

Views

Virtual Views Materialized Views

Same as Umbra

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SereneDB SereneDB StereoDB StereoDB Umbra Umbra Regatta Regatta

Citations

5 sources
  1. CedarDB cedardb.com
  2. CedarDB Documentation cedardb.com
  3. https://cedardb.com/blog/ cedardb.com
  4. https://twitter.com/cedar_db twitter.com
  5. https://cedardb.com/blog/ode_to_postgres cedardb.com
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