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Rechercher dans le manuel MySQL
8.12.2.1 Using Symbolic Links for Databases on Unix
On Unix, the way to symlink a database is first to create a directory on some disk where you have free space and then to create a soft link to it from the MySQL data directory.
shell> mkdir /dr1/databases/test
shell> ln -s /dr1/databases/test /path/to/datadir
MySQL does not support linking one directory to multiple
databases. Replacing a database directory with a symbolic link
works as long as you do not make a symbolic link between
databases. Suppose that you have a database
db1 under the MySQL data directory, and
then make a symlink db2 that points to
db1:
shell> cd /path/to/datadir
shell> ln -s db1 db2
The result is that, for any table tbl_a in
db1, there also appears to be a table
tbl_a in db2. If one
client updates db1.tbl_a and another client
updates db2.tbl_a, problems are likely to
occur.
Document created the 26/06/2006, last modified the 26/10/2018
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