A database storage unit that groups related logical structures together.

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Rule of thumb: AUTOALLOCATE or UNIFORM size for tablespaces

Is there a rule of thumb for creating a tablespace with extent management AUTOALLOCATE or UNIFORM? If the latter applies, how to estimate a reasonable extent size? Even more, what should apply for ...
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file not found - how to remove its configuration?

I run oracle 10.2.0.5. I have the following: SQL> select file#, status, error, recover, tablespace_name, name 2 from v$datafile_header 3 where recover='YES' 4 or (RECOVER IS NULL AND ...
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What units used in DBA_TABLESPACE_USAGE_METRICS?

What units are used in the usage metrics (USED_SPACE and TABLESPACE_SIZE columns) described in Oracle's DBA_TABLESPACE_USAGE_METRICS static data dictionary view? The Oracle Database Reference only ...
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Recovering logical space from a tablespace

I have a tablespace called DATA, and it is setup with auto-extend as false. This tablespace has two datafiles and is set up so it takes up 350 GB of physical space. A week ago I queried ...
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Is Tablespace something like Logical Volume?

I'm confused about tablespaces in PostgreSQL. Is it something like LVM? I mean when disk is getting full, can we add another disk, format and then CREATE TABLESPACE tblspace LOCATION ...
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How can I delete a corrupted table space?

Problem: On an Oracle 11.2g DB; We have a corrupted TS that does not allow starting the database instance above mount state. The TS cannot be removed with standard methods (i.e., enterprise manager). ...
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Oracle block usage

I am wondering about a weird deadlock and after checking all other components I am considering it to be a INITRANS problem in Oracle 11.2. Now three questions arose: Is there some way of analyzing ...
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DB2 9.5 How to get tablespace monitor information?

How can I get information about tablespace in DB2 9.5? I need to review information about if the autoresize option is enabled or disabled.
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How do I create a database+tablespace+user in Oracle 11gR2?

Good evening, I'm trying to figure out how to create a database+tablespace+user in Oracle 11g. I've tried some tutorials, but nothing seems to work. I cannot find Database Configuration Assistant ...
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101 views

How can I measure the performance hit of tablespace autoextensions?

I'm not a DBA, nor is there a DBA on the project I'm currently working, so we have tablespaces with autoextend on next 6m. I have no idea if this is low, although I believe so. I want to measure ...
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245 views

Tablespace consumed by views

I was in an SQL class where the instructor said "DBAs don't like it when users create views, because they will clobber tablespace." Obviously, I understand that any schema object will consume some ...
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What are the benefits of using a different tablespace for a new user schema?

The tables in the schema are intended to be used read only and is only updated once each three month. My question refers to performance maintenance (backup/restore, export/import) What about the ...