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HP nVIDIA Quadro 4000 2.0GB Graphics WS095AA $1069.66 HP nVIDIA Quadro 4000 2.0GB Graphics WS095AA |
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HP Hdx nVIDIA Heatsink (Thermal Module) 531455001 $36.23 HP Hdx nVIDIA Heatsink (Thermal Module) 531455001 |
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Nvidia Quadro FX3450 256MB Pcie Card $109.99 HEWLETT PACKARD (PY640AA) NVIDIA Quadro FX3450 256MB PCIe Card… |
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Quadro FX 5800 Graphics Card $1,299.99 HP Quadro FX 5800 Graphics Card FZ55AA Video Graphics Cards… |
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HP DY599A Nvidia Quadro4 280 NVS 64MB PCI Graphics Card $52.24 The NVIDIA Quadro4 NVS series of multi-display professional graphics solutions offers industry-leading acceleration, crystal clear image quality, and ultimate stability for professional 2D applications popular in the financial services and Non-Linear Video Editing (NLE) markets. Based on Intels AGP 3.0 specification, the 8X graphics solution – the NVIDIA Quadro4 280 NVS – delivers breakthrough app… |
SQL Server Database: 5 Building and Maintenance Mistakes
The creation and maintenance of a SQL server database environment is no simple task. There are numerous parameters involving support, troubleshooting and design that need some consideration. Making mistakes in these areas or missing important details will makes these tasks much more difficult.
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Below is a list of five common mistakes when building and maintaining a SQL Server database environment. There are definitely more mistakes that are made but you should be mindful of these.
1. Insufficient Backup Planning
Failure to regularly backup your databases is an invitation for disaster. Proper backup procedures include a backup plan that 1) makes regular backups, 2) tests your ability to retrieve and restore data from backup systems, and 3) uses alternative locations other than the database server for data storage. Be sure to backup early and often. Situations where backups are unavailable are not good for anyone.
2. Use of Ad Hoc Queries
The database should only be accessed by users through stored procedures on the application level. Permissions like INSERT, UPDATE, SELECT, and DELETE are usable when users are writing their on code with an Ad Hoc query. EXECUTE is the only permission allowed through stored procedures which, in turn, will lead the preservation of the data and also enhanced performance through caching and compiling. Ideal SQL optimization starts with getting rid of all or most of these ad hoc queries.
3. Not Enough Testing
Just like having a bad backup plan, if you put code in production before it is tested you are putting yourself in a bad spot. It is certainly a mistake not to provide for beta and sustained testing. The best pre-production tests have to mirror the production environment as much as they can. Smaller test databases don’t always scale well to fully functioning production environments. Doing the correct testing now will help prevent fixes needed in the future.
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4. Not Enough Monitoring
You should not assume that your database is already optimized and has no issues with performance. Continuing SQL optimization will require you to constantly perform performance monitoring to be sure that all users are getting a seamless experience. Lack of or inadequate monitoring runs the risk of applications and queries slowing down performance by consuming too many system resources. These SQL server hardware environments and queries need to be monitored an optimized frequently to make sure the system is performing to its optimum potential. SQL monitors give DBAs a historical view of trend data to help them create a plan to tune the database and improve performance.
5. Insufficient Change Management Processes
Changing a stable production environment should not be done light-heartedly. It necessitates that you test, plan, and implement properly. Utilizing a process for change management will provide improved structure for changes that need to be made. Documentation of how, when, and why database changes are to occur enables quick reversions in case database changes don’t go as planned. Thorough pre-production tests must also be a piece in the change management puzzle. Two words of advice: document everything.