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-00627: 'string' must be a strongly typed ref cursor

1 3957

PLS-00628: 'string' must be a valid record attribute

1 2954

PLS-00629: PIPE statement cannot be used in non-pipelined functions

1 10335

PLS-00630: pipelined functions must have a supported collection return type

2 13853

PLS-00631: PARTITION-BY and CLUSTER/ORDER-BY clauses must be used with the same function argument

1 2936

PLS-00632: NOT INSTANTIABLE method cannot have a body

1 3088

PLS-00633: RETURN statement in a pipelined function cannot contain an expression

1 5989

PLS-00634: type with NOT INSTANTIABLE methods must be declared NOT INSTANTIABLE

1 4598

PLS-00635: method does not override

1 4878

PLS-00636: overriding method requires OVERRIDING keyword

1 3867

PLS-00637: FINAL method cannot be overriden or hidden

1 2872

PLS-00638: cannot overload MAP method

1 2883

PLS-00639: NCHAR/NVARCHAR2 cannot be byte length semantics

1 3564

PLS-00640: a pipelined function cannot be called from PL/SQL context

1 2918

PLS-00641: INTO clause not allowed for this SELECT statement

1 2904

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...

2804

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

3229

what is the instrument that used in Mechanical Energy??

2741

What is Mutex error in Triggers?

3130

What is the use of NOLOCK locking hint?

1837

NZE-28890: Entrust Login Failed

1932

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

2788

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

2589

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

2722

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.

2948

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?

2768

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

1990

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

2236

How will you Handle Error in SQL SERVER 2008?

2446

ORA-16626: failed to enable specified object

2278

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