You probably often simply select the “Accept” key and then “Next” but this time made the decision to look at the whole “Oracle Database Show Version Certificate Agreement”. You will also probably end up with some start concerns. Just one example:
During set up, while studying the contract you will see: “You may create one duplicate of the applications for back-up reasons.” If you look into the oracle.com license information, it says: “You may create a fair number of duplicates of the applications for back-up reasons.”. But we should not ignore that we are referring to a try out launch of the application, so several factors are to be set.
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Here are two primary things: restrictions and 11g update.
1. 11g XE primary restrictions and limitations:
– if Oracle Details source XE is set up on your personal pc with more than one CPU (including dual-core CPUs), then it will eat, at most, handling sources comparative to one CPU.
– only one set up of Oracle Details source XE can be conducted on a individual pc which does not impact any current set up or new set ups of Oracle Details source 11g Conventional Version, Oracle Details source 11g Conventional Version One, or Oracle Details source 11g Business Version. Moreover, customers can run only one example of the Oracle Details source XE database on each personal pc.
– a great deal of customer data in an Oracle Details source XE database cannot surpass 11 gb in comparison to 4 gb on 10g XE. If the customer data develops beyond this restrict, then an ORA-12592 mistake will appear. Observe that 11G is just customer data!
– a great deal of RAM that an Oracle Details source XE database uses cannot surpass 1 gb, even if more is available. The actual quantity of RAM that Oracle Details source XE uses is the sum of the System International Place (SGA) and the total System International Place (PGA).
– HTTPS is not reinforced natively with the HTTP audience designed into Oracle Details source XE.
– the record of all functions not available with 11g XE is here. It is a rather long record and XE does not have plenty of essential things realted to HA, efficiency, securty, duplication and DBAism.
2. Upgrade from 10g XE to 11g XE:
– duplicate the gen_inst.sql data file from the update listing of 11.2 XE home to some regional directory
– link to 10.2 XE database as SYS and run gen_inst.sql thus producing set up.sql, gen_apps.sql and other .sql data files in a nearby directory containing gen_inst.sql
– trade the information from 10.2 XE database
– deinstall 10.2 XE if set up of 11.2 XE is organized on the same computer
– set up the 11.2 XE database
– transfer the information into the 11.2 XE database
– link to 11.2 XE database as SYS customer and run this method set up.sql, which was produced after operating gen_inst.sql
The most essential advantages of 11g XE are (as I see them):
A. Preserve from license expenses by maintaining small data source on top of XE. In situation, you can deal with the constraints of course.
B. On more global conditions, you can use 11g XE for Details source Sharding. 11 gb of customer information is quite adequate for one shard! When it develops above say 10G, you will divided it into at least two new shards.