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-02254: DEFAULT not allowed here

1 3656

ORA-02255: obsolete 7.1.5

1 2958

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

1 5334

ORA-02257: maximum number of columns exceeded

1 8971

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

1 6072

ORA-02259: duplicate UNIQUE/PRIMARY KEY specifications

1 7235

ORA-02260: table can have only one primary key

1 7938

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

1 11029

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

1 15458

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

1 22857

ORA-02264: name already used by an existing constraint

1 9722

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

1 3124

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

1 4122

ORA-02267: column type incompatible with referenced column type

1 16661

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

1 8301

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Un-Answered Questions { Oracle Errors }

ORA-26094: stream format error: input column overflow

2854

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

1665

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

2753

NZE-28890: Entrust Login Failed

1924

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

1817

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

2298

ORA-26076: cannot set or reset value after direct path structure is allocated

2033

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.

2945

NZE-28868: Peer certificate chain check failed.

2864

IMP-00064: Definition of LOB was truncated by export

6465

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

3438

IMP-00070: Lob definitions in dump file are inconsistent with database.

1799

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

2859

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

3224

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

1988

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