List of the Top 7 OLAP Databases for TapData in 2025

BigQuery is specifically designed for Online Analytical Processing (OLAP), enabling rapid data querying and analysis on complex, multidimensional datasets. This platform empowers organizations to execute intricate analytical queries on extensive datasets, facilitating thorough analysis across multiple business facets. With its automatic scaling capability, BigQuery efficiently manages even the most demanding OLAP workloads. New users can benefit from $300 in complimentary credits to experience firsthand how BigQuery can optimize OLAP functions, enhancing both the speed and precision of their business intelligence efforts. Additionally, its serverless design allows organizations to concentrate on their data without the burden of infrastructure management.

ClickHouse is a highly efficient, open-source OLAP database management system that is specifically engineered for rapid data processing. Its unique column-oriented design allows users to generate analytical reports through real-time SQL queries with ease. In comparison to other column-oriented databases, ClickHouse demonstrates superior performance capabilities. This system can efficiently manage hundreds of millions to over a billion rows and can process tens of gigabytes of data per second on a single server. By optimizing hardware utilization, ClickHouse guarantees swift query execution. For individual queries, its maximum processing ability can surpass 2 terabytes per second, focusing solely on the relevant columns after decompression. When deployed in a distributed setup, read operations are seamlessly optimized across various replicas to reduce latency effectively. Furthermore, ClickHouse incorporates multi-master asynchronous replication, which supports deployment across multiple data centers. Each node functions independently, thus preventing any single points of failure and significantly improving overall system reliability. This robust architecture not only allows organizations to sustain high availability but also ensures consistent performance, even when faced with substantial workloads, making it an ideal choice for businesses with demanding data requirements.

Databend stands out as a pioneering, cloud-centric data warehouse designed for high-speed, cost-efficient analytics tailored for large-scale data processing requirements. Its flexible architecture enables it to adjust seamlessly to fluctuating workloads, thus optimizing resource utilization and minimizing costs. Built using Rust, Databend boasts impressive performance features like vectorized query execution and columnar storage, which significantly improve the speed of data retrieval and processing tasks. The cloud-first design allows for easy integration with a range of cloud services, while also emphasizing reliability, data consistency, and resilience against failures. As an open-source platform, Databend offers a flexible and user-friendly solution for data teams seeking efficient management of big data analytics in cloud settings. Furthermore, its ongoing updates and support from the community guarantee that users are equipped with the most current advancements in data processing technology, ensuring a competitive edge in the rapidly evolving data landscape. This commitment to innovation makes Databend a compelling choice for organizations aiming to harness the full potential of their data.

Apache Doris is a sophisticated data warehouse specifically designed for real-time analytics, allowing for remarkably quick access to large-scale real-time datasets. This system supports both push-based micro-batch and pull-based streaming data ingestion, processing information within seconds, while its storage engine facilitates real-time updates, appends, and pre-aggregations. Doris excels in managing high-concurrency and high-throughput queries, leveraging its columnar storage engine, MPP architecture, cost-based query optimizer, and vectorized execution engine for optimal performance. Additionally, it enables federated querying across various data lakes such as Hive, Iceberg, and Hudi, in addition to traditional databases like MySQL and PostgreSQL. The platform also supports intricate data types, including Array, Map, and JSON, and includes a variant data type that allows for the automatic inference of JSON data structures. Moreover, advanced indexing methods like NGram bloomfilter and inverted index are utilized to enhance its text search functionalities. With a distributed architecture, Doris provides linear scalability, incorporates workload isolation, and implements tiered storage for effective resource management. Beyond these features, it is engineered to accommodate both shared-nothing clusters and the separation of storage and compute resources, thereby offering a flexible solution for a wide range of analytical requirements. In conclusion, Apache Doris not only meets the demands of modern data analytics but also adapts to various environments, making it an invaluable asset for businesses striving for data-driven insights.

SelectDB is a cutting-edge data warehouse that utilizes Apache Doris, aimed at delivering rapid query analysis on vast real-time datasets. Moving from Clickhouse to Apache Doris enables the decoupling of the data lake, paving the way for an upgraded and more efficient lake warehouse framework. This high-speed OLAP system processes nearly a billion query requests each day, fulfilling various data service requirements across a range of scenarios. To tackle challenges like storage redundancy, resource contention, and the intricacies of data governance and querying, the initial lake warehouse architecture has been overhauled using Apache Doris. By capitalizing on Doris's features for materialized view rewriting and automated services, the system achieves both efficient data querying and flexible data governance approaches. It supports real-time data writing, allowing updates within seconds, and facilitates the synchronization of streaming data from various databases. With a storage engine designed for immediate updates and improvements, it further enhances real-time pre-polymerization of data, leading to better processing efficiency. This integration signifies a remarkable leap forward in the management and utilization of large-scale real-time data, ultimately empowering businesses to make quicker, data-driven decisions. By embracing this technology, organizations can also ensure they remain competitive in an increasingly data-centric landscape.

IBM Db2 represents a comprehensive array of data management solutions, with a strong emphasis on the Db2 relational database. These solutions incorporate AI-driven features aimed at facilitating the management of both structured and unstructured data within a variety of on-premises and multicloud environments. By making data more accessible, the Db2 suite enables companies to fully harness the benefits of AI technology. Most of the Db2 components are seamlessly integrated into the IBM Cloud Pak® for Data platform, offered either as supplementary features or as inherent data source services, which guarantees that nearly all data is available across hybrid or multicloud infrastructures to support AI-centric applications. Users can easily consolidate their transactional data repositories and quickly gain insights through intelligent, universal querying across multiple data sources. The multimodel capabilities contribute to cost reduction by eliminating the need for data replication and migration. Furthermore, Db2 provides remarkable flexibility, allowing for deployment across any cloud service provider, thus enhancing operational agility and responsiveness. This range of deployment options ensures that organizations can modify their data management approaches to align with their evolving requirements, ultimately fostering innovation and adaptability in their operations. This adaptability is crucial for maintaining a competitive edge in today’s rapidly changing business landscape.

Greenplum Database® is recognized as a cutting-edge, all-encompassing open-source data warehouse solution. It shines in delivering quick and powerful analytics on data sets that can scale to petabytes. Tailored specifically for big data analytics, the system is powered by a sophisticated cost-based query optimizer that guarantees outstanding performance for analytical queries on large data sets. Operating under the Apache 2 license, we express our heartfelt appreciation to all current contributors and warmly welcome new participants to join our collaborative efforts. In the Greenplum Database community, all contributions are cherished, no matter how small, and we wholeheartedly promote various forms of engagement. This platform acts as an open-source, massively parallel data environment specifically designed for analytics, machine learning, and artificial intelligence initiatives. Users can rapidly create and deploy models aimed at addressing intricate challenges in areas like cybersecurity, predictive maintenance, risk management, and fraud detection, among many others. Explore the possibilities of a fully integrated, feature-rich open-source analytics platform that fosters innovation and drives progress in numerous fields. Additionally, the community thrives on collaboration, ensuring continuous improvement and adaptation to emerging technologies in data analytics.