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 vote202 views1 answer
Sqlite3_open_v2
SQL
1 vote225 views1 answer
Mysql view curren querys
SQL
0 vote191 views1 answer
Components/Fields of Internal Table
SQL
36 votes196 views6 answers
Delete from where sql
SQL
0 vote258 views3 answers
Mysqli count down
SQL
0 vote283 views1 answer
Copy from one table to another postgres using matching column
SQL
16 votes199 views2 answers
Add column if not exists mysql
SQL
2 votes194 views1 answer
Date conversion in mysql column
SQL
1 vote197 views2 answers
Mysql update LAST_INSERT_ID()
SQL
7 votes190 views2 answers
Html to react converter
SQL