Storage Architecture

In-Memory Hybrid

System Architecture

Shared-Everything

Isolation Levels

Read Committed Serializable Repeatable Read

Altibase provides the following transaction isolation levels: “read committed” (0), “repeatable read” (1), and “no phantom read” (2), which can be selected appropriately depending on the user’s requirements.

Views

Virtual Views Materialized Views

Stored Procedures

Supported

Foreign Keys

Supported

Storage Model

N-ary Storage Model (Row/Record)

Indexes

B+Tree R-Tree

Altibase supports two types of indexes: B-tree indexes and R-tree indexes. The R-tree index is a multi-dimensional index type for use with spatial queries.

Checkpoints

Fuzzy

Altibase uses fuzzy & ping-pong checkpoint methods to safely back up the most recent state of the database.

Data Model

Relational