TAILIEUCHUNG - Oracle Essbase 9 Implementation Guide- P72

Oracle Essbase 9 Implementation Guide- P72:Essbase is a multidimensional database management system. The name Essbase stands for Extended Spread Sheet dataBASE. Using the custom add-in provides the end-user with near seamless compatibility in the Microsoft Excel spreadsheet program. | Advanced Techniques When you actually get to tuning your system always keep in mind that what you read here learn from others or even glean from Oracle system documentation is in most cases to be taken as guidelines for your own individual situation. The actual actions you ll be performing when you are tuning your database are items like adjusting several optional cache sizes through both the EAS and in the Essbase system configuration file or . You may also be taking steps to alter the order of the dimensions in the database outline. We know this isn t really performance related but it is very important If there were anything that could be considered as a weakness anywhere in Essbase it would be the Essbase security file or . Because this file is more or less open all the time for system I O operations there is a high potential for the file to become corrupted in the event of a power outage or other serious event. If you do encounter a situation where the server needs to be rebooted unexpectedly we highly recommend that before you restart the server or the Essbase service you make a backup copy of the file. The file itself can be found in the Essbase bin folder. The shape of your database outline What are they talking about when we refer to the shape of an Essbase outline How can an Essbase database outline have a shape Well conceptually every Essbase database outline has a shape. What you want to be concerned with is what shape your outline has. Believe it or not the shape of your outline is one of the most important considerations for overall database performance but it is still a guideline. There will be times when this guideline simply will not work for you. Everyone knows what an hourglass looks like right An hourglass is wide at the ends and narrow in the middle. Well in most cases you want your Essbase database outline to have the shape of an hourglass really. The hourglass outline Here is what we mean by all of this shape

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