How to configure Database parameters to Spatial?

Say, when creating the database, you choose the preconfigured "GENERAL PURPOSE" for using it with mapserver and ORACLE SPATIAL.
Is it ok, to leave it like that?
Or is it a must to change some parameters?
Also, which parameters will be critical if I dont change them? or which one will speed up my queries?
Thanks
By the way.
8GB RAM
4 cores 1 cpu
2 TB HDD

Is it ok, to leave it like that?The main thing you need to do is to adjust the memory parameters to suit your available memory. But this is nothing to do with spatial - it is what you would do regardless of the expected use of the database. You didn't mention the database version, so I assume 11g. Therefore you need to adjust the memory_target parameter.
You also didn't mention the operating system and whether it is 32 or 64 bit. Depending on the combination of those, you'll be able to make more or less use of your 8GB of RAM.
Also, which parameters will be critical if I dont change them? The default value of the vast majority of parameters are appropriate for the database template. Parameters related to redo logging often need some tuning to suit your workload.
or which one will speed up my queries?There is no "go faster" parameter. As a general rule, changing parameters is not the primary method of making the database perform faster. Writing efficient SQL and designing your system to reduce unnecessary processing and I/O is.
John

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