Salesforce Com, Inc.

Dinesh Reddy Parvata Reddy

Yoram Tal

Kranthi Baddepuri

Suresh Nagayanallur Subramanian

Subramanian Sathasivam

Manzoor Ahamed Sulthan

Praveen Kumar Rotam

Techniques are disclosed relating to performing database defragmentation operations by autonomously rebuilding index objects stored in one or more tablespaces of a database. In various embodiments, the disclosed techniques include autonomously performing defragmentation operations for one or more tablespaces in a database in an online manner such that a server system may continue to service data access requests while performing the defragmentation operations. In one non-limiting embodiment, for example, the disclosed techniques include selecting a first tablespace to defragment based on its level of fragmentation (e.g., relative to the other tablespaces). The server system may then rebuild index objects, from the first tablespace, to a new tablespace such that the index objects are stored in the new tablespace without fragmentation. The server system may then reclaim at least a portion of the storage space used to store the first tablespace and repeat, as desired, to autonomously defragment multiple tablespaces.

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Hyderabad Telangana, India

Dinesh Reddy Parvata Reddy