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Five Typical Mistakes For Constructing and Maintaining SQL Server Databases
Building and maintaining a SQL Server database environment is like hitting a moving target. There are many parameters to consider for design, support, and troubleshooting. Disregarding certain details or making small mistakes can really make this a difficult job.
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Below is a list of five common mistakes when building and maintaining a SQL Server database environment. There are certainly more, but these are a few that you should be aware of.
1. No Backup Plan
If you aren't backing up your databases often you are leaving yourself open for disaster. An acceptable backup plan should make backups regularly, be able to find and restore data from backup storage, and also have storage locations other than the database server. Backup early and backup often. You don’t want to experience a situation where backup data isn’t available.
2. Use of Ad Hoc Queries
Users should only be allowed to access the database through stored procedures on the application level. Ad hoc queries enable users to write their own code against the database with SELECT, INSERT, UPDATE, and DELETE permissions. A procedure that is stored will only allow EXECUTE permissions which provides better performance through caching and compiling and also preserves the integrity of the data. The right way to optimize and SQL server is to eliminate a majority or all ad hoc queries.
3. Not Enough Testing
Putting code into production without testing is nearly as bad having a poor backup plan. Not providing for beta and on-going testing is also a mistake. An optimal pre-production test should be as similar as possible to the production environment. Databases that are used for testing are typically smaller and will not always scale well to a full-fledged production environment. Testing now is always better than fixing later.
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4. Not Enough Monitoring
You should not assume that your database is already optimized and has no issues with performance. Quality SQL optimization will need constant performance monitoring so that users are always getting the best possible experience at any given time. 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. An SQL monitor will enable you to capture performance trends over time so that you can create tuning plans to improve performance.
5. Insufficient Change Management Processes
There needs to be a lot of thought put into changing even the most stable production environments. It requires the appropriate testing, planning, and implementation processes. Using a change management process will offer better structure when making changes. Documentation of how, when, and why database changes are to occur enables quick reversions in case database changes don’t go as planned. Conducting the necessary pre-production testing needs to be a step in your change management procedure. Two words of advice: document everything.
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3.5'' USB 2.0/RJ-45 Ethernet NAS (Network Attached Storage) SATA HDD Enclosure-Create a NAS, FTP, Print or Media Server! $38.99 3.5-inch USB 2.0/RJ-45 Ethernet NAS (Network Attached Storage) External SATA HDD Enclosure General Features: Black and silver color Create a NAS, FTP, Print or Media Server! Supports a 3.5-inch SATA hard drive up to 1 Terabyte (hard drive not included) Integrated USB client chip Store and share files, photos, and music 2.75-inch NAS Gear Display Display shows: System Time IP Address System Temperature System Fan Speed Disk Space Power On Duration Back to System Time Rear Ports: DC in One (1) RJ-45 Ethernet port One (1) USB Type B One (1) USB Printer port Reset button Unit Dimensions: 2.1 x 7.5 x 6.3-inches (H x W x D, approximate) |
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Data Center Colocation: High-Impact Technology - What You Need to Know: Definitions, Adoptions, Impact, Benefits, Maturity, Vendors $45.91 New - A colocation centre (also spelled collocation, colo, or coloc) or carrier hotel is a type of data center where colocation services are provided. Colocation allows multiple customers to locate network, server, and storage gear- and connect them to a variety of telecommunications and network service providers- with a minimum of cost and complexity. Most Internet exchange points provide colocation.This book is your ultimate resource for Data Center Colocation. Here you will find the most up-t |