[libreoffice-users] Re: Connection to SQL database

Le 15/01/2014 16:51, Carl Paulsen a écrit :

Hi Carl,

An SQL file does not necessarily need to contain "data", it could
contain just a set of instructions for the database engine to execute.

The SQL file is not a database as such, it is a generally text file
containing instructions that a SQL db engine will understand and
optionally data enclosed within INSERT statements.

If your SQL file contains both data and instructions, it would be a good
idea to know how it was produced, i.e. from which db engine the output
came, as SQL dialects between different vendors, db engines etc, can
differ according to their specific implementations of the SQL standards.

The file itself should be loadable into any text editor, providing that
it can handle the size of the file ! That can give you a better idea of
what's inside. For example, it is all very well having just insert
statements with associated data in a SQL file, but if the tables and db
haven't been set up in advance, you won't be able to get very far with it.

Some of those SQL statements might be directly executable from an empty
LO Base file in the Tools > SQL window, e.g. table creation statements,
key definition statements, constraints, etc, but again that would depend
on whether these statements were supported by the version of hsqldb that
comes with a default embedded ODB database file.

Alex


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