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Database administrators (DBAs) are key customers for the storage team.Unfortunately, storage is often a black hole for database administrators since today’s storage applications fail to provide actionable information for the DBA. SANscreen® from Onaro® offers a heterogeneous,service-centric view of storage that is actionable throughout the IT environment.With the SANscreen Storage Dashboard for Oracle,DBAs can understand the storage services delivered to their database by simply accessing the Oracle Grid Control application – creating a true storage-service dashboard for Oracle.
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chemistry www.intute.ac.uk/scienceandtechnology/ : science, engineering & technology Internet resources for Internet resources for chemistry The best of the Web Welcome to this guide to the best of the Web for Chemistry. In these pages you will find a selection of some of the most useful websites for students, lecturers and researchers in Chemistry. The selection is by no means exhaustive, but it should give you a flavour of the range of resources available on the Internet for chemistry. Supporting your
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IT departments that already run an Oracle 10g database with ASM on Windows Server 2003 might want to upgrade their storage array to an LSI Logic storage array. Any proposed upgrade raises the question of interoperability with the existing system. Using a test setup, this document shows that it is possible to successfully install Oracle 10g Clusterware and the Oracle 10g database application with an LSI Logic Fibre Channel storage array.
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Types of backup
There are several levels and types of backup:
■ Full backup – usually done daily, weekly, or monthly. Includes both system and data files
■ Incremental backup – backs up only files that have changed since the last full or incremental backup
■ Differential backup – backs up every file that has changed since the last full backup
■ Archiving – when data is stored with the possibility of using it quickly and in random order
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The Microsoft SQL Server Storage Solution Review Program is a specific SQL Server program that enables storage solution providers to highlight those storage solutions and configurations, via the SQL Server “Always On” labeling, that they have successfully reviewed against core functional Microsoft SQL Server storage requirements. The core requirements defined herein must be met for reliable, highly available SQL Server storage systems.
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Microsoft SQL Server has a reputation of being one of the easier database platforms to administer and manage. Oddly enough, however, when it comes to understanding what SQL Server is doing underneath the covers with respect to space, SQL Server actually isn’t as straightforward as some of the other database platforms. The ability to easily report database and transaction log space from a global perspective isn’t as simple or thorough as some administrators would like. Also,the sp_spaceused procedure used for object (and database) space doesn’t really tell the whole space picture for an object or database. And make no mistake, diagnosing fragmentation problems in a database requires a fairly skilled hand that knows how to not only interpret a number of different object fragmentation metrics, but also understands the environment and mechanics of the applications that use the database.
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Ever-increasing customer demands, volatile market forces, and global competition compel the modern enterprise to deliver greater goods and services to customers at a lower cost. The Oracle E-Business Suite is an extensive set of business applications developed to assist enterprises in addressing these challenges. The E-Business application framework is a flexible environment designed to protect, extend, and evolve business processes.
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Learn how to become more proficient in using a personal computer.
Components of a personal computer
Hardware and software
Drag and Drop
Cut, Copy, and Paste
Storage media
Creating and organizing folders
Keyboard shortcuts
Searching for files and folders
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When businesses start small and have little capital to invest, they tend to keep their computer systems simple, typically using a single database server and a storage array to support a database. However, as a business grows, this simple database configuration often cannot handle the increased workload. At this point, businesses typically upgrade their hardware by adding more CPUs and other required resources or they add servers to create a cluster. Increasing resources, or vertical scaling,g is like placing a temporary bandage on the system—it solves the current situation of increased workload and resource demand but does not address the possibility of future workload increase. Instead of adding more memory or CPUs to the existing configuration, organizations can add servers and configure them to function as a cluster to provide load balancing, workload distribution, and availability—a process known as horizontal scaling.
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Often, additional processing power alone will do little or nothing to improve Oracle performance. This is because the processor, no matter how fast, finds itself constantly waiting on mechanical storage devices for its data. While every other component in the “data chain” moves in terms of computation times and the raw speed of electricity through a circuit, hard drives move mechanically, relying on physical movement around a magnetic platter to access information.
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