Checkpoints

Concurrency Control

Data Model

Foreign Keys

Hardware Acceleration

Cache-conscious data structures for in-memory tables

Indexes

B+-tree for on-disk tables, and combination of compressed Patricia trie and cache conscious B-tree leaf level nodes.

Isolation Levels

Read Committed, Repeatable Read & Serializable for on-disk tables, Read Committed and Repeatable Read for in-memory tables.

Logging

Parallel Execution

Parallel reads

Query Compilation

Query Execution

Query Interface

Storage Architecture

Per table granularity. Both in-memory - and on-disk tables are supported on same schema. Table types are transparent to queries.

Storage Model

Stored Procedures

System Architecture

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