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    Maxwell Miranda
    Oracle DBA Consultant.
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    • Flashback database to date back and forth
      Code: --------- SELECT NAME, TIME FROM v$restore_point order by time; NAME TIME ---------------------------------------- ----------------------------------- RST_PNT_20180306_1135 06-MAR-18 AM *Got flashbacked to this 6th Mar* RST_PNT_20180308_0132 08-MAR-18 AM RST_PNT_20180315_0332 15-MAR-18 AM RST_PNT […]
    • Downgrade database from Oracle to Oracle using catdwgrd.sq
      Downgrade database from Oracle to Oracle Like to know if any one successfully downgraded the database from version Oracle 12cR2 ( Release 2) to Oracle 11g Release 2 ( using manual method of catdwgrd.sql. Please share your views and inputs as we are unable to downgrade it successfully. Refereed the https://docs.oracle.com/en/databa […]
    • New user in oracle having access to all tables
      Hi, I have created a new user in oracle database as follows create new user u1 identified by u1; grant create session to u1; when I login with new user ,it has access to all tables in other schema except system and sys tables. i want to create a user who does not have access to any table on any schema. how it can be achieved? Thanks
    • Auditing userid creation, deletion and changes to roles granted.
      Is there an oracle auditing option to audit userid creation, deletion and changes made to the userid (system/object privileges granted or revoked)?
    • ORACLE SQL - Adding Results from Multiple Select Statements
      I apologize if this question is not in the correct area. I have eight select statements, each to get the sum of particular information. These are not simple queries, so I will not include them here. I have made up a simpler version (based on some code I found in a forum) as shown below. So, I have eight sums. I need a ninth sum that is the total of all eight […]
    • Cannot change undo_tablespace parameter in RAC node
      Hi, I am trying to change the undo tablespace in DB instance, unsuccessfully. Approach 1: SQL> show parameter undo NAME TYPE VALUE ------------------------------------ ----------- ------------------------------ temp_undo_enabled boolean FALSE undo_management string AUTO undo_retention integer 900 undo_tablespace string *UNDOTBS2* SQL> SQL> ALTER SYS […]
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Displays information about all scheduled jobs


SELECT a.job “Job”,
Substr(a.log_user,1,15) “Log User”,
Substr(a.priv_user,1,15) “Priv User”,
Substr(a.schema_user,1,15) “Schema User”,
Substr(To_Char(a.last_date,’DD-Mon-YYYY HH24:MI:SS’),1,20) “Last Date”,
Substr(To_Char(a.this_date,’DD-Mon-YYYY HH24:MI:SS’),1,20) “This Date”,
Substr(To_Char(a.next_date,’DD-Mon-YYYY HH24:MI:SS’),1,20) “Next Date”,
a.total_time “Total Time”,
a.broken “Broken”,
a.interval “Interval”,
a.failures “Failures”,
a.what “What”,
a.nls_env “NLS Env”,
a.misc_env “Misc Env”
FROM dba_jobs a;


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