sqlserver2008r2（SQL Server 2008 R2）

SQL Server 2008 R2

Introduction to SQL Server 2008 R2

SQL Server 2008 R2 is a relational database management system (RDMS) developed by Microsoft. It was released in April 2010 and is an enhanced version of SQL Server 2008. This article will explore the key features and improvements introduced in SQL Server 2008 R2.

1. Improved Performance and Scalability

One of the significant improvements in SQL Server 2008 R2 is its enhanced performance and scalability. It introduces a new feature called Resource Governor, which allows administrators to allocate resources to different workloads or applications. By preventing one workload from monopolizing resources, Resource Governor ensures fair resource allocation and improves overall system performance.

SQL Server 2008 R2 also introduces a new indexing mechanism called Sparse Columns. Sparse Columns allows for efficient storage of null values, reducing the storage space required and enhancing query performance. Additionally, the introduction of page compression and backup compression helps optimize storage and reduce disk space requirements.

2. Business Intelligence Enhancements

SQL Server 2008 R2 provides various features and improvements in the field of business intelligence (BI). One notable enhancement is PowerPivot, a powerful data analysis tool that enables users to analyze large datasets efficiently. PowerPivot provides advanced data filtering, sorting, and pivoting capabilities, empowering business users to make informed decisions based on data-driven insights.

Another significant improvement is the introduction of Master Data Services (MDS). MDS offers centralized storage and management of master data, ensuring data consistency and accuracy across different systems and applications. With MDS, organizations can create a single source of truth for their critical business data.

3. Enhanced Manageability and Security

SQL Server 2008 R2 introduces several features to enhance manageability and security. One important feature is SQL Server Utility, which enables administrators to manage and monitor multiple database instances from a single centralized console. SQL Server Utility provides a comprehensive view of the overall health, performance, and resource utilization of a SQL Server environment.

Additionally, SQL Server 2008 R2 enhances security through features like Transparent Data Encryption (TDE) and Auditing. TDE helps protect sensitive data at rest by encrypting the entire database, including backups and log files. Auditing allows administrators to track and log various database activities, helping meet compliance requirements and identify potential security threats.

Conclusion

SQL Server 2008 R2 introduces significant improvements in performance, scalability, business intelligence, and manageability. With its enhanced features and security enhancements, it provides organizations with a robust and reliable platform for their database management needs. Whether it is analyzing large datasets, managing master data, or ensuring data security, SQL Server 2008 R2 offers a comprehensive solution for businesses of all sizes.