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Diffstat (limited to 'pod/perltie.pod')
| -rw-r--r-- | pod/perltie.pod | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/pod/perltie.pod b/pod/perltie.pod index 7898700f39..ad5d66ff6e 100644 --- a/pod/perltie.pod +++ b/pod/perltie.pod @@ -604,6 +604,14 @@ for the C<$#ARRAY> access (which is hard, as it's an lvalue), as well as the other obvious array functions, like push(), pop(), shift(), unshift(), and splice(). +You cannot easily tie a multilevel data structure (such as a hash of +hashes) to a dbm file. The first problem is that all but GDBM and +Berkeley DB have size limitations, but beyond that, you also have problems +with how references are to be represented on disk. One experimental +module that does attempt to partially address this need is the MLDBM +module. Check your nearest CPAN site as described in L<perlmod> for +source code to MLDBM. + =head1 AUTHOR Tom Christiansen |