How to find the object name where our query is spending time?
In case the wait event in v$session_wait is "file sequential read", we can use the join below, to identify the index_name:
SQL> select segment_name,segment_type,owner,tablespace_name from
dba_extents,v$session_wait
where file_id=p1
and p2 between block_id and block_id + blocks -1
and sid=4933;
SEGMENT_NAME SEGMENT_TYPE OWNER TABLESPACE_NAME
--------------------------------------------------------------------------------- ------------------ ------------------------------ ------------------------------
TABLE_TEST_4IX INDEX PARTITION MY_USER APL_LARGE_IX
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