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

Database Errors Interview Questions

Questions Answers Views Company eMail

ORA-01526: error in opening file 'string'

1 3541

ORA-01527: error while reading file

1 3043

ORA-01528: EOF while processing SQL statement

1 3402

ORA-01529: error closing file 'string'

1 3090

ORA-01530: a database already mounted by the instance

1 3491

ORA-01531: a database already open by the instance

1 5494

ORA-01532: cannot create database; instance being started elsewhere

1 3290

ORA-01533: cannot rename file 'string'; file does not belong to tablespace

1 3182

ORA-01534: rollback segment 'string' doesn't exist

1 5413

ORA-01535: rollback segment 'string' already exists

2 5441

ORA-01536: space quota exceeded for tablespace 'string'

Bloom Soft Tech, TCS,

3 9593

ORA-01537: cannot add data file 'string' - file already part of database

2 14994

ORA-01538: failed to acquire any rollback segment

1 3820

ORA-01539: tablespace 'string' is not online

1 3993

ORA-01540: tablespace 'string' is not offline

1 3421

Un-Answered Questions { Database Errors }

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

6794

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

2181

When you get following error? Error 3154: The backup set holds a backup of a database other than the existing database.

2588

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.

2948

RMAN-05017: no copy of datafile number found to recover

2471

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...

2668

ORA-07497: sdpri: cannot create trace file 'string'; errno = string.

2866

IMP-00060: Warning: Skipping table "string"."string" because object type "string"."string" does not exist or has different identifier

3229

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

2006

Hi, I am trying to encode data from flatfile and then to decode the encoded data to original form. Procedures that I followed:- 1. Encoded the field 'A_ID' using AES_ENCRYPT(A_ID,'abd') in the expression transformation. The A_ID got encoded in the output table(oracle) 2. To decode this back I used AES_DECRYPT(A_ID,'abd'). But after executing the workflow, I am not getting any data in output. can anybody tell me how to decrypt the encoded data back to original form ??

1736

write a database figure to implement the master detained relationship.

3018

How to view the error log for any specific instance?

2546

IMP-00063: Warning: Skipping table "string"."string" because object type "string"."string" cannot be created or has different identifier

2787

What severity level errors are managed in TRY-CATCH block?

2269

today's peformance is less than yesturday.it took 1 mint and today's performance is 7 mints.guys can anyone answer to mu question in sql

2523

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