Tables Larger than 1 GB in Size in Oracle Database

Sometimes it is required to find the largest tables residing in your database. It helps to identify candidates for table Paritioning. This is the query you can run to identify largest segments in database.

 

select segment_name as “Table Name” , round (bytes/1024/1024/1024) || ‘ GB’ as “Size” from user_segments where bytes > 1073741824 order by bytes desc;

Advertisements

Leave a Reply

Fill in your details below or click an icon to log in:

WordPress.com Logo

You are commenting using your WordPress.com account. Log Out / Change )

Twitter picture

You are commenting using your Twitter account. Log Out / Change )

Facebook photo

You are commenting using your Facebook account. Log Out / Change )

Google+ photo

You are commenting using your Google+ account. Log Out / Change )

Connecting to %s