Thuật ngữ AI
Từ điển đầy đủ về Trí tuệ nhân tạo
Schemaless
Characteristic of NoSQL databases that do not impose a predefined schema, allowing flexible evolution of data structure without complex migrations or service interruptions.
Denormalization
Design technique that intentionally introduces data redundancy to optimize read performance by reducing the number of expensive join operations.
TTL (Time To Live)
Automatic data expiration mechanism after a predefined duration, optimizing storage management and eliminating obsolete data in NoSQL systems.
Composite Key
Key composed of multiple attributes enabling fine-grained and customized data partitioning in complex column-family or key-value NoSQL databases.
Secondary Index
Additional indexing structure allowing efficient queries on non-key attributes, essential for complex access patterns in document and column-family databases.
Write Concern
Parameter controlling the level of write persistence guarantee, balancing performance and security according to application consistency requirements.
Read Preference
Configuration determining which replicated node will serve read queries, allowing optimization of latency and workload in distributed clusters.
Aggregation Pipeline
Data processing framework applying a series of transformations and aggregation operations on documents in a chain, enabling complex server-side analysis.