Oracle
1Z0-063 · Question #32
Your database has a table customers that contains the columns cust_name, amt_due, and old_status. Examine the commands executed and their output: SQL>UPDATEcustomersSETamt_due=amt_due+amt_duel…
The correct answer is C. The db_flash3ACK_reteni:on_target parameter is set toa lower value and the undo data. See the full explanation below for the reasoning.
Question
Your database has a table customers that contains the columns cust_name, amt_due, and old_status. Examine the commands executed and their output: SQL>UPDATEcustomersSETamt_due=amt_due+amt_duel. 1WHEREcust_name='JAMES'; 1row updated. SQL> ALTER TABLE customers DROP COLUMN old_status; Table Altered SQL> UPDATE customers SET amt_due=amt_due+amt_due1.5 WHERE cust_r.ame='JAMES'; 1 row updated. SQL> COMMIT; SQL> SELECT versions_xid AS XID, versior.s_startscr. AS START_SCN, versions_er.cscn AS END_SCN, versior.s_operatior. AS OPERATION', amt_due FROM customers VERSIONS BETWEEN SCN MINVALULEAND MAXVALUE WHERE custname='JAMES';. XIDSTART_SCNEND_SCNOPERATIONAMT_DUE 07002f00cl03000017063371706337 U3300 Why is it that only one update is listed by the Flashback Version Query?
Options
- ASupplemental logging is not enabled for the database.
- BThe undo data that existed for versions of rows before the change to the table structure is
- CThe db_flash3ACK_reteni:on_target parameter is set toa lower value and the undo data
- DUndo retention guarantee is not enabled.
- EFlashback Data Archive is full after the first update statement.
How the community answered
(45 responses)- A9% (4)
- B11% (5)
- C76% (34)
- D2% (1)
- E2% (1)
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