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-02269: key column cannot be of LONG datatype

2 12298

ORA-02270: no matching unique or primary key for this column-list

5 24298

ORA-02271: table does not have such constraint

1 2774

ORA-02272: constrained column cannot be of LONG datatype

1 9062

ORA-02273: this unique/primary key is referenced by some foreign keys

KIIT,

2 21660

ORA-02274: duplicate referential constraint specifications

1 5310

ORA-02275: such a referential constraint already exists in the table

1 13516

ORA-02276: default value type incompatible with column type

1 3095

ORA-02277: invalid sequence name

1 7621

ORA-02278: duplicate or conflicting MAXVALUE/NOMAXVALUE specifications

1 3406

ORA-02279: duplicate or conflicting MINVALUE/NOMINVALUE specifications

1 3193

ORA-02280: duplicate or conflicting CYCLE/NOCYCLE specifications

1 3266

ORA-02281: duplicate or conflicting CACHE/NOCACHE specifications

1 3594

ORA-02282: duplicate or conflicting ORDER/NOORDER specifications

1 2794

ORA-02283: cannot alter starting sequence number

1 10112

Un-Answered Questions { Database Errors }

I entered the data in SQL toad version 9.0.1 in English and Arabic language but when i do the query i get the data in Arabic language with (??? question mark) ,please your support.

1646

ORA-26029: index string.string partition string initially in unusable state

2152

how can i get the question papers of year 2006 and 2007 of 12th commerce gujarat board

2210

mount: mount to NFS server failed: System Error: Connection timed out

3664

ORA-16627: No standby databases support the overall protection mode.

3984

How to view the error log for any specific instance?

2478

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

1766

[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

2719

why we are using shift key in unix shell script

3158

What is Mutex error in Triggers?

3060

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

2694

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

1937

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

2728

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

What is SCD (Slowly Changing Dimensions)? What are its types?

2660

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