Doubt in creating users

Question

hello,
for example we have a two TABLESPACES namely T1,T2.
Tablespace T1 contain user X.Now i wan't to create another user Y ,i am in dilema that whether i have to create the user Y in TABLESPACE T1(contains sifficient memory to store user Y) or TABLESPACE T2.Is there any advantage if created user Y in another TABLESPACE that is in TABLESPACE T2.
please help me
regards

Answer 1

Tablespaces don't contain users. A user owns objects and those objects consume space in one or more tablespaces.
- Will both of these users own objects? Or do they just access objects in other schemas?
- If your database is in ARCHIVELOG mode, can you envision a situation where applications that use objects in one of the two schemas could continue to operate if the objects in the other schema were unavailable?
- Do you anticipate wanting to use transportable tablespaces to move all the objects in a tablespace from one database to another?
- Is there some organizational benefit to having a separate tablespace? The more independent the schemas are and the more independent the applications that access the objects in the different schemas, the more likely you are to want separate tablespaces to simplify things like ensuring that project A doesn't exceed the disk space it's been allocated and/or billing project A for the disk space it is using.
- Are you using LMT's or DMT's? If you're using LMT's, are you using automatic or uniform extent allocation?
Separating objects into different tablespaces shouldn't have any impact on performance. If it does, that implies that the new tablespace has data files on different physical disks, so you could get the same performance benefit by spreading the existing tablespace's data files over all the available disks.
Justin