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Oracle Errors Interview Questions
Questions Answers Views Company eMail

PLS-00642: local collection types not allowed in SQL statements

1 7998

PLS-00643: booleans, index tables, records and cursors not allowed in SQL statements

1 1507

PLS-00644: character set mismatch found at 'string' among result expressions in a CASE expression

1 1619

PLS-00645: character set mismatch found at 'string' among operands in a COALESCE expression

1 1498

PLS-00646: MAP or ORDER method must be defined in the root of the subtype hierarchy

1 2991

PLS-00647: attribute by name "string" conflicts with method by same name

1 1568

PLS-00648: type of supertype attribute "string" can not be a subtype or reference to a subtype in this release

1 1930

PLS-00649: method "string" can be overridden only once per object type

1 2179

PLS-00650: invalid type for PARTITION/CLUSTER/ORDER BY clause

1 2150

PLS-00651: implementation type in Aggregate/Table function should be a valid type

1 1531

PLS-00652: aggregate functions should have exactly one argument

1 3945

PLS-00653: aggregate/table functions are not allowed in PL/SQL scope

1 14196


1 1676

PLS-00655: only functions can be declared as PIPELINED

1 1674

PLS-00656: field 'string' not available in input argument

1 4742

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Un-Answered Questions { Oracle Errors }

ORA-07497: sdpri: cannot create trace file 'string'; errno = string.


NZE-28890: Entrust Login Failed


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


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...


ORA-26028: index string.string initially in unusable state


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


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


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


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


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.


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


ORA-26095: unprocessed stream data exists


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


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


ORA-16626: failed to enable specified object