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-00507: a PLSQL Table may not contain a table or a record with composite fields

2 5353

PLS-00508: The expression in a RETURN statement cannot be a type

1 2747

PLS-00509: Implementation Restriction : Pass a returned record to a temporary identifier before selecting a field

1 2737

PLS-00510: Float cannot have scale

1 3466

PLS-00511: a record may not contain a PL/SQL table of records

1 3223

PLS-00512: Implementation Restriction: 'string': Cannot directly access remote package variable or cursor

1 6967

PLS-00513: PL/SQL function called from SQL must return value of legal SQL type

1 4841

PLS-00514: INSERT statement with REF INTO clause requires a typed table

1 3055

PLS-00515: The type of the REF INTO variable 'string' must be REF to the table's type

1 2840

PLS-00516: Type mismatch between object table and value 'string' in INSERT statement.

1 2990

PLS-00517: Type mismatch between a select list element 'string' and corresponding table column in INSERT statement with a subquery

1 3495

PLS-00518: This INSERT statement requires VALUES clause containing a parenthesised list of values

1 3659

PLS-00519: This INSERT statement requires a VALUES clause containing an object type expression, not a list of values

1 3382

PLS-00520: MAP methods must be declared without any parameters other than (optional) SELF.

1 2502

PLS-00521: ORDER methods must be declared with 1 (one) parameter in addition to (optional) SELF.

1 2843

Un-Answered Questions { Database Errors }

When do you get "getwmicomexception"?

2680

What is the use of NOLOCK locking hint?

1784

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

1958

java.sql.SQLException:Invalid state, the statement object is closed Hai all i got this error when i am multiple times referesh web page

6650

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?

2721

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...

2739

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

2651

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

2520

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

2662

Hi, I am trying to encode data from flatfile and then to decode the encoded data to original form. Procedures that I followed:- 1. Encoded the field 'A_ID' using AES_ENCRYPT(A_ID,'abd') in the expression transformation. The A_ID got encoded in the output table(oracle) 2. To decode this back I used AES_DECRYPT(A_ID,'abd'). But after executing the workflow, I am not getting any data in output. can anybody tell me how to decrypt the encoded data back to original form ??

1677

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

1941

How will you Handle Error in SQL SERVER 2008?

2401

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

1966

NZE-28868: Peer certificate chain check failed.

2799

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

2639

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