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-04016: sequence string no longer exists

1 6591

ORA-04017: invalid value string (length = string) for parameter max_dump_file_size

1 3981

ORA-04018: invalid value string for parameter _scn_scheme

1 3852

ORA-04019: SCN scheme incompatible with other instances

1 4083

ORA-04020: deadlock detected while trying to lock object stringstringstringstringstring

1 5870

ORA-04021: timeout occurred while waiting to lock object stringstringstringstringstring

1 6375

ORA-04022: nowait requested, but had to wait to lock dictionary object

Oracle,

2 14342

ORA-04027: self-deadlock during automatic validation for object string.string

1 8016

ORA-04028: cannot generate diana for object stringstringstringstringstring

2 6761

ORA-04029: error ORA-string occurred when querying stringstringstring

1 6446

ORA-04030: out of process memory when trying to allocate string bytes (string,string)

1 4545

ORA-04031: unable to allocate string bytes of shared memory ("string","string","string","string")

Satyam,

1 5408

ORA-04032: pga_aggregate_target must be set before switching to auto mode

1 3955

ORA-04033: Insufficient memory to grow pool

1 6461

ORA-04034: unable to shrink pool to specified size

1 6389

Un-Answered Questions { Database Errors }

What is live lock, deadlock and what is Lock escalation?

2500

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

2269

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

2586

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

2867

ORA-26094: stream format error: input column overflow

2859

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

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

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

1823

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

3229

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

1669

ORA-16626: failed to enable specified object

2278

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?

2767

What is the meaning of lock escalation and why/how to stop this?

2715

What is the use of NOLOCK locking hint?

1837

what is new g/l functionality

2676

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