System Architecture

Embedded

Isolation Levels

Serializable Snapshot Isolation

Query Execution

Tuple-at-a-Time Model

Compression

Naïve (Record-Level) Bit Packing / Mostly Encoding

Indexes

B+Tree Hash Table R-Tree AVL-Tree

Joins

Nested Loop Join Index Nested Loop Join

Query Interface

Custom API SQL PL/SQL Stored Procedures Command-line / Shell

Foreign Keys

Supported

Concurrency Control

Multi-version Concurrency Control (MVCC)

Stored Procedures

Supported

Data Model

Relational Network

Beneath the relational model in an RDM database is a network model, where all data is defined in terms of record types and fields. Fields may be indexed and record types may have set relationships between them, which are defined as one-to-many, owner/member relationships.

Checkpoints

Consistent Blocking

Storage Organization

Log-structured

Query Compilation

Code Generation Stored Procedure Compilation

Logging

Command Logging

Storage Architecture

Disk-oriented In-Memory Hybrid

Storage Model

N-ary Storage Model (Row/Record)