Oracle Errors Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Oracle Errors Interview Questions

Questions Answers Views Company eMail

ORA-02434: cannot enable unique(string) - unique key not defined for table

1 8890

ORA-02435: cannot disable unique(string) - unique key not defined for table

1 3371

ORA-02436: date or system variable wrongly specified in CHECK constraint

1 4704

ORA-02437: cannot validate (string.string) - primary key violated

1 8612

ORA-02438: Column check constraint cannot reference other columns

1 7983

ORA-02439: Unique index on a deferrable constraint is not allowed

1 3807

ORA-02440: Create as select with referential constraints not allowed

1 3205

ORA-02441: Cannot drop nonexistent primary key

1 13180

ORA-02442: Cannot drop nonexistent unique key

1 4081

ORA-02443: Cannot drop constraint - nonexistent constraint

1 19663

ORA-02444: Cannot resolve referenced object in referential constraints

1 4731

ORA-02445: Exceptions table not found

1 4403

ORA-02446: CREATE TABLE ... AS SELECT failed - check constraint violated

1 2897

ORA-02447: cannot defer a constraint that is not deferrable

1 7347

ORA-02448: constraint does not exist

1 4756

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Un-Answered Questions { Oracle Errors }

ORA-26094: stream format error: input column overflow

2794

ORA-26032: index string.string loading aborted after string keys

2103

ORA-26084: direct path context already finished

1946

IMG-02003: 2FF03 - incorrect color histogram feature specification

1704

ORA-26082: load of overlapping segments on table string.string is not allowed

1766

IMP-00096: Warning: Skipping table "string"."string" because type synonym "string"."string" cannot be created

1616

NZE-28868: Peer certificate chain check failed.

2797

How to resolve QSM-01108 error. I have no OR conditions in my query, but do have 9 IN conditions. The error says the max limit is 2 while I have 257 number of disjuncts. However, if I remove even a single IN condition, the query is rewritten. I cannot change my query. How can I resolve this issue?

2719

When i am connect database through toad,one error occured. ORA-12514: TNS:listener does not currently know of service requested in connect descriptor. plz help me thanks advance.............

2797

IMP-00070: Lob definitions in dump file are inconsistent with database.

1741

ORA-26079: file "string" is not part of table string.string

1955

Hi guys, I have four tables those are emp,dept,eliminate and uneliminate. i wrote small cursor..when i run, it display one error (ORA-01403 nodata found)... The query is: Declare cursor c1 is select e.ename emp_name from emp e,dept d where e.deptno=d.deptno group by deptno; r1 c1%rowtype; test_emp varchar2(200); begin for r1 in c1 loop begin select eliminate_emp into test_emp from eliminate t,uneliminate ut where t.number=ut.number and t.deptno=e.deptno and rownum<1; end; dbms_output.put_line(r1.emp_name); end loop; end; Thanks...

2737

ORA-26028: index string.string initially in unusable state

3858

NZE-28890: Entrust Login Failed

1872

ORA-26027: unique index string.string partition string initially in unusable state

6742

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