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

Database Errors Interview Questions

Questions Answers Views Company eMail

PLS-00657: Implementation restriction: bulk SQL with associative arrays with VARCHAR2 key is not supported.

1 5850

PLS-00658: constructor method name must match type name

1 3751

PLS-00659: constructor method must return SELF AS RESULT

1 4148

PLS-00660: SELF parameter of constructor method must be IN OUT

1 3229

PLS-00661: RETURN statement in a CONSTRUCTOR cannot include an expression

1 3568

PLS-00662: Non-external object types containing external mapped attributes are not allowed

1 2940

PLS-00663: the NEW keyword is not allowed in this context

1 3271

PLS-00664: Both ORDER BY and CLUSTER BY can not be specified for the same table function

1 3288

PLS-00665: ORDER BY and CLUSTER BY clauses require a PARTITION BY clause

1 3197

PLS-00666: Only index by binary_integer/pls_integer associative arrays allowed here

1 3748

PLS-00667: Element type of associative array should be pls_integer or binary_integer

1 5186

PLS-00668: Type of expression should be a collection type

1 3921

PLS-00669: Type of expression should be a valid collection variable

1 2832

PLS-00670: sort columns must be simple column names

1 3394

PLS-00700: PRAGMA EXCEPTION_INIT of string must follow declaration of its exception in the same declarative part

1 3021

Un-Answered Questions { Database Errors }

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

2246

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

2302

How to solve -805 error i.e. Bind issue. There are two conditions- 1) If you have access to the database table 2) If you don't have access to the table

2703

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

2590

What is the use of NOLOCK locking hint?

1837

NZE-28868: Peer certificate chain check failed.

2875

What is Mutex error in Triggers?

3140

ORA-26095: unprocessed stream data exists

3651

ORA-26084: direct path context already finished

2005

IMP-00064: Definition of LOB was truncated by export

6475

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?

2771

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

2271

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

1994

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.

1710

ORA-16626: failed to enable specified object

2282

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