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=item C<db:mysql://db.example.com/>

=item C<db:firebird://localhost//tmp/test.fdb>

=back

Note that, as with any URI or URL, special characters must be
L<URL encoded|https://en.wikipedia.org/wiki/URL_encoding>. For example, when
a username contains a reserved character, such as the C<|> in C<ro|michelle>,
it must be percent-encoded as C<%7c>:

  db:pg://ro%7Cmichelle@examle.org/inventory

The rules are even more strict for query parameters, as often used by for
ODBC connections. For example, when using a
L<Snowflake identifier|https://docs.snowflake.com/en/sql-reference/identifiers-syntax#double-quoted-identifiers>
with special characters, such as a warehouse name with a C<.>, such as
C<sqitch.dev>, the identifier must be double-quoted --- and double quote are
reserved characters in URIs, so must be encoded as C<%22>.