How to fix the Oracle error ORA-01658: unable to create INITIAL extent for segment in tablespace string?

In this post, you’ll learn more about the Oracle ErrorORA-01658: unable to create INITIAL extent for segment in tablespace string with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-01658: unable to create INITIAL extent for segment in tablespace string

Reason for the Error ORA-01658: unable to create INITIAL extent for segment in tablespace string

Failed to find sufficient contiguous space to allocate INITIAL extent for segment being created.

How to fix the Error ORA-01658: unable to create INITIAL extent for segment in tablespace string ?

You can fix this error in Oracle by following the below steps

Use ALTER TABLESPACE ADD DATAFILE to add additional space to the tablespace or retry with a smaller value for INITIAL