--- title: "Operational databases: How they work and when to use them" source_name: "Databricks" original_url: "https://www.databricks.com/blog/operational-databases" canonical_url: "https://www.traeai.com/articles/880eb24f-984f-429f-84c9-a04c12cb9ad0" content_type: "article" language: "中文" score: 5 tags: [] published_at: "2026-04-24T07:11:13+00:00" created_at: "2026-04-24T22:43:03.880089+00:00" --- # Operational databases: How they work and when to use them Canonical URL: https://www.traeai.com/articles/880eb24f-984f-429f-84c9-a04c12cb9ad0 Original source: https://www.databricks.com/blog/operational-databases ## Summary traeai 为开发者、研究员和内容团队筛选高质量 AI 技术内容，提供摘要、评分、趋势雷达与一键内容产出。 ## Key Takeaways - - - ## Content Title: Operational databases: How they work and when to use them URL Source: http://www.databricks.com/blog/operational-databases Published Time: 2026-04-24T07:11:13+0000 Markdown Content: # Operational Databases: Architecture, Design & Use Cases | Databricks Blog [Skip to main 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[All blogs](http://www.databricks.com/blog/category/all) 2. / [Data + AI Foundations](http://www.databricks.com/blog/category/data-ai-foundations) Table of contents * [Core characteristics of an operational database](http://www.databricks.com/blog/operational-databases#section-1) * [Operational databases vs. data warehouses](http://www.databricks.com/blog/operational-databases#section-2) * [OLTP vs. OLAP: Understanding the processing models](http://www.databricks.com/blog/operational-databases#section-3) * [Why traditional OLTP databases fall short for modern workloads](http://www.databricks.com/blog/operational-databases#section-4) * [From operational data to intelligent applications](http://www.databricks.com/blog/operational-databases#section-5) Table of contents Table of contents * [Core characteristics of an operational database](http://www.databricks.com/blog/operational-databases#section-1) * [Operational databases vs. data warehouses](http://www.databricks.com/blog/operational-databases#section-2) * [OLTP vs. OLAP: Understanding the processing models](http://www.databricks.com/blog/operational-databases#section-3) * [Why traditional OLTP databases fall short for modern workloads](http://www.databricks.com/blog/operational-databases#section-4) * [From operational data to intelligent applications](http://www.databricks.com/blog/operational-databases#section-5) [Data + AI Foundations](http://www.databricks.com/blog/category/data-ai-foundations) # Operational databases: How they work and when to use them by [Databricks Staff](http://www.databricks.com/blog/author/databricks-staff) Summary * Operational databases are built for speed and accuracy — optimizing for real-time processing, they handle concurrent transactions as users interact with an application rather than large-scale analytical queries. * Operational databases struggle to meet modern demands. Legacy architectures weren’t designed for unstructured data and AI workloads, forcing data through slow ETL pipelines to move data between where data lives and where it needs to go. * A new type of database is emerging. A Lakebase is a new, open architecture that combines the best elements of transactional databases with the flexibility and economics of the data lake. Operational databases — also called [online transaction processing](https://www.databricks.com/glossary/oltp) (OLTP) databases — are designed to process real-time transactions that power day-to-day business operations. Operational databases are designed to store and retrieve data quickly, processing the constant stream of creates, reads, updates and deletes that keep applications running and ensuring that transactions complete accurately and reliably. This guide covers how operational databases work, how they differ from analytical systems and what it takes to design them for high-throughput, low-latency workloads in modern cloud and distributed environments. ## Core characteristics of an operational database Operational databases are designed to efficiently and reliably store and update transactional data in real time for live operations. The core characteristics that define operational databases include: * **Real-time processing:** Data is written and available immediately, not batched. Transactions are committed in milliseconds, ensuring applications always reflect the latest state of the business. * **CRUD operations:** Four fundamental operations — Create, Read, Update, Delete — power transactional applications. Every user interaction, from submitting a form to completing a payment, triggers one or more of these operations. * **Data currency:** Databases store current-state data. In inventory operations, for example, data reflects the current inventory count, not what it was last quarter. This is critical for operational decision-making and customer-facing systems. * **High concurrency:** Concurrency control mechanisms ensure that overlapping transactions do not corrupt shared data. Thousands of users can simultaneously read and write without conflicts or errors. * **ACID guarantees:** Databases enforce ACID (atomicity, consistency, isolation, durability) properties to ensure that only valid, complete transactions are stored, maintaining data integrity. Every transaction completes correctly or not at all. ## Operational databases vs. data warehouses An operational database is designed to store and manage real-time data to support an organization's ongoing operations. In contrast, a [data warehouse](https://www.databricks.com/discover/data-warehouse) is a structured repository that provides data for business intelligence and analytics. Data is cleansed, transformed and integrated into a schema that is optimized for querying and analysis. While both operational databases and data warehouses store business data, they operate differently and serve different purposes. | **Dimension** | **Operational database** | **Data warehouse** | | --- | --- | --- | | Primary purpose | Real-time transaction processing | Historical analysis and reporting | | Data currency | Current data, continuously updated | Historical data, periodically loaded | | Query pattern | Simple, high-frequency (one row at a time) | Complex, low-frequency (aggregations across millions of rows) | | Schema design | Normalized (minimize redundancy) | Denormalized/star schema (optimize read speed) | | Concurrency | Thousands of concurrent users | Dozens to hundreds of concurrent analysts | | Latency | Milliseconds | Seconds to minutes | | Optimization | Write-heavy, low-latency inserts/updates | Read-heavy, fast aggregation and retrieval | | Example systems | PostgreSQL, MySQL, MongoDB, DynamoDB | Snowflake, BigQuery, Redshift, Databricks SQL | For most organizations, it’s not a question of either/or — they need both types of data systems. Operational databases facilitate mission-critical transactions and capture the data from those transactions, which is often fed to data warehouses to fuel further analysis and insights. Increasingly, the boundary between operational databases and data warehouses is blurring as lakehouse architectures [unify operational and analytical workloads](https://www.databricks.com/product/data-lakehouse) on a single platform. This convergence enables organizations to move from batch reporting to near real-time analytics, shortening the time between transaction and insight. REPORT ### The agentic AI playbook for the enterprise [Read now](http://www.databricks.com/resources/ebook/state-of-ai-agents?itm_source=www&itm_category=blog&itm_page=operational-databases&itm_location=blog-post-inline&itm_component=blog-inline&itm_offer=state-of-ai-agents) ![Image 4: ai](https://www.databricks.com/sites/default/files/2026-04/2026-01-eb-state-of-ai-agents-ps-tn-360x188-2x-1.png?v=1776887781) ## OLTP vs. OLAP: Understanding the processing models Both OLTP and online analytical processing (OLAP) models are essential for managing and analyzing large volumes of data, but they are designed for different tasks and serve distinct purposes. While OLTP focuses on efficiently and reliably storing and updating transactional data in real time for live operations, OLAP is designed for business intelligence, data mining and analytical reporting. OLTP systems handle short transactions and perform row-level operations to efficiently process everyday business activities. They are optimized for write-heavy workloads, focusing on handling a high volume of small, concurrent transactions while maintaining speed and data integrity. Typically, they use normalized schemas to maintain data integrity and reduce redundancy. OLAP systems, on the other hand, excel at running complex queries and performing column-level scans to analyze large volumes of data. They’re optimized for read-heavy operations such as aggregation and analysis, and commonly use denormalized schemas to improve query performance. Organizations often use both OLTP and OLAP data processing for comprehensive business intelligence. The OLTP-to-OLAP pipeline moves transactional data generated by operational databases through [extract, transform, load](https://www.databricks.com/discover/etl) (ETL) or [change data capture](https://www.databricks.com/glossary/change-data-capture) (CDC) processes into a data warehouse or lakehouse, where analysts query it to support decision-making. An operational data store (ODS) — another architectural component — may sit between OLTP and OLAP systems to integrate near-real-time data from multiple sources for operational reporting without the latency of a full warehouse load. ## Why traditional OLTP databases fall short for modern workloads OLTP systems were designed for fast, reliable transactional processing, rather than analytical or AI-driven workloads. However, modern applications require real-time analytics, flexible data access, and integration with AI systems, creating a divide between the strengths of traditional OLTP architectures and the needs of modern systems. Hybrid solutions can help close this gap. ### Limitations of OLTP databases for AI and intelligent applications Traditional OLTP databases lack the capabilities to fully support modern AI and intelligent applications. They are often siloed from analytical and AI workloads, requiring data to be moved through slow ETL pipelines before it can be used. They’re designed for structured data, without native support for unstructured formats, embeddings, or vector search — capabilities that are foundational for modern AI systems. Rigid schemas make it difficult to iterate quickly, which is critical for fast-evolving agentic and AI applications. From a scalability perspective, vertical scaling quickly reaches practical limits, while horizontal scaling via sharding adds operational complexity. Traditional OLTP systems also often lack crucial data governance capabilities required for responsible AI deployment, such as fine-grained access controls, lineage tracking, and compliance features ### Modern data application requirements Modern data applications require platforms that can unify operational and analytical workloads without batch pipeline delays, enabling real-time access to fresh data. They must support a wide range of data types — including structured, semi-structured, unstructured, and vector data — within a single system to enable diverse use cases. Governance, security, and lineage should be built in, not added on. These applications also demand elastic, serverless scalability to efficiently handle unpredictable workloads and low-latency integration with AI/ML pipelines, feature stores, and agent-driven contexts to support intelligent, responsive systems that operate on continuously evolving data. ### How Databricks Lakebase bridges the gap [A lakebase](https://www.databricks.com/blog/what-is-a-lakebase) solves the limitations of traditional OLTP systems. Key features of a lakebase includes: * **Separate storage and compute:**Data is stored cheaply in cloud object stores, while compute runs independently and elastically. This enables massive scale, high concurrency, and the ability to scale down to zero in under a second. * **Unlimited, low-cost, durable storage:**With data living in the lake, storage costs are dramatically lower than in traditional database systems that require fixed-capacity infrastructure. And its storage is backed by the durability of cloud object storage. * **Elastic, serverless Postgres compute:**Provides fully managed, serverless Postgres that scales up instantly with demand and scales down when idle. * **Instant branching, cloning, and recovery:**Databases can be branched and cloned the way developers branch code. * **Unified transactional and analytical workloads:** Lakebase integrates seamlessly with the Lakehouse, sharing the same storage layer across OLTP and OLAP. * **Open and multicloud by design:**Data stored in open formats avoids proprietary lock-in and enables true portability across clouds. ## From operational data to intelligent applications Operational data is valuable because it powers AI agents, real-time decisions, and intelligent applications. Traditional operational databases can efficiently store and process real-time data, but they aren’t built for today’s demands. Databricks Lakebase helps organizations unlock the full value of operational data for AI-powered applications. ### Operational data as the foundation for AI Every transaction within an organization generates data that can fuel AI models, agent decisions, and predictive analytics. Databricks Lakebase makes operational data available for AI in near real time by eliminating the delay caused by moving data from operational systems to the warehouse. As a result, organizations can realize use cases such as AI agents acting on live inventory, fraud detection systems that score transactions as they occur, and copilots operating on up-to-date account data. ### Building on the Databricks Platform Lakebase is built on the Databricks Platform, which brings together data, analytics, and AI in a single platform. * Delta Lake provides a reliable foundation with ACID transactions, time travel, and schema enforcement at lakehouse scale for operational data that’s trustworthy and flexible * Mosaic AI connects operational data directly to model training, fine-tuning, agents, and RAG, enabling seamless AI development on live data * Unity Catalog delivers a single, consistent governance layer with unified permissions and end-to-end lineage across all data * Serverless SQL and built-in streaming support real-time queries and continuous ingestion without the need to manage infrastructure ### Getting started with Databricks Lakebase To begin with [Databricks Lakebase](https://www.databricks.com/product/lakebase), connect your existing OLTP systems through CDC or streaming pipelines into Delta Lake, eliminating the need for batch-oriented data movement. 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