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

7 votes169 views1 answer
Sql disable safe mode
SQL
0 vote162 views1 answer
Restart postgresql.service Failed to restart postgresql.service: Unit not found.
SQL
0 vote171 views1 answer
Sql datediff month
SQL
16 votes182 views4 answers
Mysql import from sql file
SQL
0 vote201 views1 answer
Postrgesql concat 2 columns divided by ;
SQL
0 vote184 views1 answer
How to check database engine in mysql
SQL
50 votes183 views4 answers
Sql alter type of column
SQL
0 vote182 views1 answer
Sqlalchemy query sql compiled
SQL
13 votes188 views3 answers
Change data type postgresql
SQL
0 vote185 views1 answer
Transaction and commit trong sql server
SQL