Oracle undo tablespace schema

-- UNDO tablespace usage per user / session
SELECT s.SID, s.USERNAME, round(sum(ss.VALUE) / 1e6, 2) AS UNDO_SIZE_MB,
       sql.ELAPSED_TIME, sql.SQL_TEXT
FROM V$SESSTAT ss JOIN V$SESSION s ON s.SID = ss.SID
     JOIN V$STATNAME STAT ON STAT.STATISTIC# = ss.STATISTIC#
     LEFT JOIN V$SQLAREA sql 
     	ON s.SQL_ADDRESS = sql.ADDRESS AND s.SQL_HASH_VALUE = sql.HASH_VALUE
WHERE STAT.NAME = 'undo change vector size' AND s.TYPE <> 'BACKGROUND' 
  AND s.USERNAME IS NOT NULL AND ss.VALUE >= 0.01 * 1e6
GROUP BY s.SID, s.USERNAME, sql.ELAPSED_TIME, sql.SQL_TEXT
ORDER BY s.USERNAME, round(sum(ss.VALUE) / 1e6, 2);

Source: dba.stackexchange.com

Similar codes

0 vote287 views1 answer
How to write triggers to increment or decrement the number of employees
SQL
0 vote282 views1 answer
Power bi dax add related shows column but not working
SQL
8 votes285 views5 answers
Alter table add column with default value
SQL
0 vote294 views1 answer
Mysql search multiple tables
SQL
1 vote300 views1 answer
Oracle create as select
SQL
1 vote330 views2 answers
Intersect sql
SQL
0 vote290 views1 answer
Placements hackerrank solution
SQL
0 vote294 views1 answer
Phpmyadmin tabellentyp ändern
SQL
8 votes319 views1 answer
Oracle current date plus 1 month
SQL
3 votes299 views2 answers
Oracle drop column
SQL