Oracle Errors Interview Questions
Questions Answers Views Company eMail

ORA-02254: DEFAULT not allowed here

1 2819

ORA-02255: obsolete 7.1.5

1 2125

ORA-02256: number of referencing columns must match referenced columns

1 4489

ORA-02257: maximum number of columns exceeded

1 7962

ORA-02258: duplicate or conflicting NULL and/or NOT NULL specifications

1 5205

ORA-02259: duplicate UNIQUE/PRIMARY KEY specifications

1 6334

ORA-02260: table can have only one primary key

1 7184

ORA-02261: such unique or primary key already exists in the table

1 10007

ORA-02262: ORA-string occurs while type-checking column default value expression

1 14162

ORA-02263: need to specify the datatype for this column

1 21278

ORA-02264: name already used by an existing constraint

1 8728

ORA-02265: cannot derive the datatype of the referencing column

1 2219

ORA-02266: unique/primary keys in table referenced by enabled foreign keys

1 3292

ORA-02267: column type incompatible with referenced column type

1 15576

ORA-02268: referenced table does not have a primary key

1 7278


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Un-Answered Questions { Oracle Errors }

ORA-26094: stream format error: input column overflow

2251


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

2318


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

1559


invalid quantity specification negative quantity are not allowed for this item please check this item definition quantity

2858


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

1520






[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

2287


NZE-28890: Entrust Login Failed

1409


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.

2326


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

2620


when i ran any workflow or session, getting below error: seesion task instance[s_xxx]: Execution terminated unexpecterdly

1749


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

2314


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

1711


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...

2253


ORA-26095: unprocessed stream data exists

2803


NZE-28868: Peer certificate chain check failed.

2263