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-04078: OLD and NEW values cannot be identical

1 3579

ORA-04079: invalid trigger specification

TCS,

1 15035

ORA-04080: trigger 'string' does not exist

1 9396

ORA-04081: trigger 'string' already exists

1 4746

ORA-04082: NEW or OLD references not allowed in table level triggers

Satyam,

2 12041

ORA-04083: invalid trigger variable 'string'

1 2888

ORA-04084: cannot change NEW values for this trigger type

1 5414

ORA-04085: cannot change the value of an OLD reference variable

1 7363

ORA-04086: trigger description too long, move comments into triggering code

1 4813

ORA-04087: cannot change the value of ROWID reference variable

1 3126

ORA-04088: error during execution of trigger 'string.string'

1 5977

ORA-04089: cannot create triggers on objects owned by SYS

2 13534

ORA-04090: 'string' specifies same table, event and trigger time as 'string'

1 3413

ORA-04091: table string.string is mutating, trigger/function may not see it

1 4233

ORA-04092: cannot string in a trigger

1 3713

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Un-Answered Questions { Oracle Errors }

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...

2595

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

3862

[ERROR] [main 11:01:20] (JCLLoggerAdapter.java:error:454) Unsuccessful: alter table user.CEN_USER_MASTER add constraint FKF4EDEDC3D0BAAE75 foreign key (ROLE_ID) references user.CEN_ROLE_MASTER [ERROR] [main 11:01:20] (JCLLoggerAdapter.java:error:454) ORA-02275: such a referential constraint already exists in the table

2722

NZE-28890: Entrust Login Failed

1877

ORA-26095: unprocessed stream data exists

3561

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

6744

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.............

2800

NZE-28868: Peer certificate chain check failed.

2799

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

1616

In my project I am using star schema and only diimension tables are loaded and not fact tables any one can help me why it is happening? Plase guide me.

2870

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

1958

ORA-26030: index string.string had string partitions made unusable due to:

1941

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?

2721

if the lengths of two wires are same and the area of cross sections is 4:7 then what will be the ratio of current passing through these wires

2696

ORA-16516: The current state is invalid for the attempted operation.

8816

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