Sql Server Reconfigure

Setting filter conditions to improve indexing efficiency good indexes are key to SQL Server database performance, but efficient indexes are carefully designed. As we all know, a primary key is a unique identifier for a data object, and if there is no clustered index in the datasheet, the SQL Server database will create a clustered index (Clustered index) for the primary key by default in order to maintain the uniqueness of the key. Unless the user specifically specifies that the index should be created as a nonclustered index (non-clustered index). There is no doubt that we ...

No database system can avoid a crash situation, even if you use a clustered, two-machine hot standby ... It is still not possible to completely eradicate the single point of failure in the system, and for most users, this expensive hardware investment cannot be sustained. So, when the system crashes, how to restore the original valuable data becomes an extremely important problem. In the recovery, the ideal situation is that your data files and log files are intact, so that only need to sp_attach_db, the data file attached to the new database, or in the downtime of the ...

The George Ou provides an introduction to server virtualization, from what virtualization is, why you use virtualization to when you need to use virtualization, how to migrate physical servers to virtual servers, and so on. The Jevin was originally published in May 2006. ———————————————————————————— – What is virtualization, and when to virtualize when to use virtualization how to avoid "putting all eggs in the same basket" physical migration to Virtual server patch management authorization and support for virtualization servers ...

In a typical datacenter, it's very common to provide more servers and storage devices than really small requirements. This is done to address the potential peak load periods in the future, meeting high availability, and disaster recovery requirements. This leads to a huge waste of expensive resources. In fact, server usage is usually less than 25%, which is why http://www.aliyun.com/zixun/aggregation/13995.html "> Server virtualization ...

Recently, VMware announced to the outside world, including enhanced the recently released VMware Vcloud®suite management products in the update Cloud Management product suite. At the same time, VMware also launched a new product for this suite VMware vcloud Don center™5.1, updated vmware IT Business Management suite™, further simplifying and automating management, Improved IT department management ...

In recent days, VMware has renewed its cloud management solutions, further strengthening the management of mixed, heterogeneous cloud computing environments from both depth and breadth. "VMware believes cloud management must implement the three major functions of cloud service configuration, cloud operations management and business management." VMware Senior Product manager Wu Qinu said. The cloud service configuration refers to the provisioning of infrastructure, applications, and desktop resources in the form of a service; Cloud operations management refers to the embedded aggregation management of the data center defined by the software, and cloud business management is the key to the operation of the cloud services.