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Le 04/08/2014 16:41, Paul D. Mirowsky a écrit :
Before I begin, I will plead ignorance of how these things really happen.

It appears that what should be happening is that the database should
always be external, but whether it is placed inside the same folder.

To the user, the interpretation of 'internal' would be that it is within
it's own folder and 'external' would be that the actual database is
somewhere else during set-up.

The default Base file, with an ODB extension, is a container (zipped).
Within that container are files and subfolders, some files describe the
structure and content of the database in a form that LibreOffice's
embedded hsqldb engine can read when you load the file. The subfolders
generally relate to other aspects of the ODB file, such as macros,
forms, reports, report definitions (XML), query definitions, etc)

When you reference an outside db backend, everything but the actual
database content and data defintitions get stored in the ODB file, with
simply a reference to that content and how to access it being stored in
the ODB. In other words, your data is actually safe somewhere else (on a
server, on another part of your hard disk, etc)

Utimately, for as long your actual database data is somewhere else, you
could screw up your ODB file and still not affect your data. However,
you would potentially lose all of your query/report definitions, your
macros, forms, etc. Note that forms do not have to be stored within the
ODB, they can be stored as standalone documents. The same goes for
reports, although the report definitions are always stored within the
ODB file (unless someone has found a way to get around that).


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