Database Administration (MOSC)

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Database Sizing/ Space estimation

edited Sep 30, 2010 4:26PM in Database Administration (MOSC) 7 commentsAnswered
 Hi,

I need to do a sizing estimate for a database for which a data model has not been built as yet.

To calculate the size of the database(we are using only 4 out of 26 schemas), should I go for disk free/ used space or tablespace free/ used space??

Also, will sum(bytes) from dba_data_files + temp files + log files give the space used by the data in the tables or will it give disk space??

I guess my question might sound confusing, but that is because I am confused :-)

Thanks in advance.

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