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

Oracle Errors Interview Questions

Questions Answers Views Company eMail

PLS-00398: wrong number of columns in UNION, INTERSECT, or MINUS expression

1 3125

PLS-00399: different types of columns in UNION, INTERSECT, or MINUS expression

1 3469

PLS-00400: different number of columns between cursor SELECT statement and return value

1 4674

PLS-00401: different column types between cursor SELECT statement and return value found at 'string'

1 3008

PLS-00402: alias required in SELECT list of cursor to avoid duplicate column names

2 23480

PLS-00403: expression 'string' cannot be used as an INTO-target of a SELECT/FETCH statement

1 9232

PLS-00404: cursor 'string' must be declared with FOR UPDATE to use with CURRENT OF

1 5768

PLS-00405: subquery not allowed in this context

1 5232

PLS-00406: length of SELECT list in subquery must match number of assignment targets

1 3097

PLS-00407: '*' not allowed here; a list of columns is required

1 2763

PLS-00408: duplicate column 'string' not permitted in INSERT or UPDATE

1 3460

PLS-00409: duplicate variable 'string' in INTO list is not permitted

1 2736

PLS-00410: duplicate fields in RECORD,TABLE or argument list are not permitted

1 14009

PLS-00411: Number of values in aggregate and in subquery don't match

1 3055

PLS-00412: list of values not allowed as argument to this function or procedure

1 5096

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Un-Answered Questions { Oracle Errors }

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

2800

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

1768

IMP-00064: Definition of LOB was truncated by export

6413

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

1966

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

3383

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...

2595

ORA-26095: unprocessed stream data exists

3561

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

8818

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

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

1616

ORA-26032: index string.string loading aborted after string keys

2105

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

1743

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.

2870

ORA-16627: No standby databases support the overall protection mode.

3989

[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

2722

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