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

Database Errors Interview Questions

Questions Answers Views Company eMail

QSM-01522: a more optimal equivlanece than string was used to rewrite

1 2522

QSM-01526: query rewrite is disabled for equivalence, string

1 2838

QSM-01533: query rewritten with equivalence, string

1 2842

QSM-01565: equivalence, string, cannot compute measure, string, in the query

1 2897

QSM-01567: equivalence, string, cannot support the query measure, string

1 2544

QSM-01572: equivalence, string, and query have different joins between tables, string

1 2718

QSM-01582: Joining equivalence, string, with table, string, not possible

1 2683

QSM-01584: equivalence, string, has anchor, string, not found in query

1 2764

QSM-01601: rollup(s) took place on equivalence, string

1 2787

QSM-01602: equivalence, string, requires join back to table, string, on column, string

1 2822

QSM-01610: a lossy join in equivalence, string, between tables, string, not found in query

1 3016

QSM-01617: equivalence definition is disabled

1 3024

QSM-01618: equivalence, string, is enabled for text match rewrite only

1 2917

QSM-01619: equivalence cannot be used in ENFORCED integrity mode

1 2873

QSM-01621: join backs to base tables not allowed with an equivalence

1 2556

Un-Answered Questions { Database Errors }

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...

2597

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

2701

ORA-16516: The current state is invalid for the attempted operation.

8820

RMAN-05017: no copy of datafile number found to recover

2410

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

3162

How will you Handle Error in SQL SERVER 2008?

2403

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

1743

i have created ODBC through Data sources and tests completed sucessfully. when i am Trying to connect SQL Server through ODBC (ODBC :Oracle Open Client Adapter for ODBC 2.0.2.15.0 Microsoft SQL Server 09.00.3054) unable to Connect to SQL*Plus: Release 8.0.4.0.0. it is given following error-message . Error: ORA-03121: NO interface driver connected- function not performed.

2802

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

2434

ORA-26094: stream format error: input column overflow

2802

IMP-00064: Definition of LOB was truncated by export

6415

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

2223

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

1618

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

2653

[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

2724

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