What are the advantages and disadvantages of Teradata databases?
Advantages of Teradata database include: 1. High scalability: Teradata database can horizontally scale in a cluster environment, easily handling large datasets and high concurrent query requests. 2. High performance: Teradata database employs parallel processing and optimization techniques, allowing for fast execution of complex queries and analysis operations. 3. Multidimensional analysis capability: Teradata database supports complex multidimensional data analysis and decision support functions, suitable for large-scale data warehousing and business intelligence applications. 4. Data security: Teradata database offers robust security features, including access control, data encryption, and audit functions, protecting sensitive data from unauthorized access. 5. Reliability and availability: Teradata database boasts high reliability and availability, supporting continuous operation and fault recovery, capable of handling critical business applications. Disadvantages of Teradata database include: 1. High cost: Deploying and using Teradata database requires significant investment due to the need for specialized hardware and software, as well as high training and maintenance costs. 2. Complexity: Configuration and management of Teradata database are relatively complex, requiring professional database administrators for operation and maintenance. 3. Learning curve: For inexperienced users and developers, learning and mastering the use of Teradata database may require a certain amount of time and effort. 4. Limitations: Teradata database may have limitations in certain specific functionalities, such as relatively weak capabilities in handling unstructured and real-time data. 5. Market share: Compared to other mainstream database brands, Teradata database has relatively small market share, potentially limiting the richness of its ecosystem and support resources.