12-08-2015
What both of us are after: what is the name of the column in the table (partition) that is the key for the paritition? If you reference that column (or field) AND your assessment is correct, then your query may work correctly.
You do realize that really long-running queries - several hours or more - also run the risk of inducing rollback segment errors, which may actually be your problem as well.
A Large dataset is not necessarily the cause of any problem - it is usually either poor query design or poor indexing, partitioning. Did you check the EXPLAIN PLAN for your query?
If not, assume nothing, until you have created one and understood what it is telling you.
Okay? Without one we really cannot help you constructively.
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LEARN ABOUT DEBIAN
sql::reservedwords::oracle
SQL::ReservedWords::Oracle(3pm) User Contributed Perl Documentation SQL::ReservedWords::Oracle(3pm)
NAME
SQL::ReservedWords::Oracle - Reserved SQL words by Oracle
SYNOPSIS
if ( SQL::ReservedWords::Oracle->is_reserved( $word ) ) {
print "$word is a reserved Oracle word!";
}
DESCRIPTION
Determine if words are reserved by Oracle Database.
METHODS
is_reserved( $word )
Returns a boolean indicating if $word is reserved by either Oracle7, Oracle8i, Oracle9i or Oracle10g.
is_reserved_by_oracle7( $word )
Returns a boolean indicating if $word is reserved by Oracle7.
is_reserved_by_oracle8( $word )
Returns a boolean indicating if $word is reserved by Oracle8i.
is_reserved_by_oracle9( $word )
Returns a boolean indicating if $word is reserved by Oracle9i.
is_reserved_by_oracle10( $word )
Returns a boolean indicating if $word is reserved by Oracle10g.
reserved_by( $word )
Returns a list with Oracle versions that reserves $word.
words
Returns a list with all reserved words.
EXPORTS
Nothing by default. Following subroutines can be exported:
is_reserved
is_reserved_by_oracle7
is_reserved_by_oracle8
is_reserved_by_oracle9
is_reserved_by_oracle10
reserved_by
words
SEE ALSO
SQL::ReservedWords
<http://www.oracle.com/technology/documentation/>
AUTHOR
Christian Hansen "chansen@cpan.org"
COPYRIGHT
This program is free software, you can redistribute it and/or modify it under the same terms as Perl itself.
perl v5.8.8 2008-03-28 SQL::ReservedWords::Oracle(3pm)