Creating initial tablespaces
Create initial tablespaces for your database.
Creating initial Tablespaces
There are at least four tablespaces that every OFA-compliant database should have.
Tablespaces you should have These are:
- USERS: Holds user tables, indexes, and so forth.
- TEMP: Used for sorting.
- RBS: Holds the rollback segments.
- TOOLS: Holds tables and indexes for tools such as Enterprise Manager, Discoverer 2000, and so forth.
You can create these databases from Server Manager by using the CREATE TABLESPACE command. The syntax for that command looks like this:
CREATE TABLESPACE tablespace_name
DATAFILE ‘filename’ SIZE integer[M|K];
This is a simplified version of CREATE TABLESPACE, but it will work for now. Before you can create
these tablespaces, you need to decide on file locations, filenames, and file sizes for each of these. The OFA guidelines call for these
tablespaces to be placed on separate drives, but because this is not a production database, let's place the files in the same directory used for all the other database files. For names and sizes, let's go with the following:
Tablespace Name File Name Size
USERS users01.dbf 5MB
TOOLS tools01.dbf 5MB
TEMP temp01.dbf 5MB
RBS rbs01.dbf 5MB
How you size these tablespaces depends on what tools you have installed and on the applications running against the database.
Create Initial Tablespaces - Exercise