may be as many Catalogs (databases) defined as you wish. For example, you
may want each Client to have its own Catalog database, or you may want
backup jobs to use one database and verify or restore jobs to use another
-database.
+database.
+
+Since SQLite is compiled in, it always runs on the same machine
+as the Director and the database must be directly accessible (mounted) from
+the Director. However, since both MySQL and PostgreSQL are networked
+databases, they may reside either on the same machine as the Director
+or on a different machine on the network. See below for more details.
\begin{description}
\index[dir]{DB Socket}
\index[dir]{Directive!DB Socket}
This is the name of a socket to use on the local host to connect to the
-database. This directive is used only by MySQL and is ignored by SQLite.
-Normally, if neither {\bf DB Socket} or {\bf DB Address} are specified, MySQL
-will use the default socket.
+ database. This directive is used only by MySQL and is ignored by SQLite.
+ Normally, if neither {\bf DB Socket} or {\bf DB Address} are specified, MySQL
+ will use the default socket. If the DB Socket is specified, the
+ MySQL server must reside on the same machine as the Director.
\item [DB Address = \lt{}address\gt{}]
\index[dir]{DB Address}
\index[dir]{Directive!DB Address}
This is the host address of the database server. Normally, you would specify
-this instead of {\bf DB Socket} if the database server is on another machine.
-In that case, you will also specify {\bf DB Port}. This directive is used
-only by MySQL and is ignored by SQLite if provided. This directive is
-optional.
+ this instead of {\bf DB Socket} if the database server is on another machine.
+ In that case, you will also specify {\bf DB Port}. This directive is used
+ only by MySQL and PostgreSQL and is ignored by SQLite if provided.
+ This directive is optional.
\item [DB Port = \lt{}port\gt{}]
\index[dir]{DB Port}
\index[dir]{Directive!DB Port}
This defines the port to be used in conjunction with {\bf DB Address} to
-access the database if it is on another machine. This directive is used only
-by MySQL and is ignored by SQLite if provided. This directive is optional.
+ access the database if it is on another machine. This directive is used only
+ by MySQL and PostgreSQL and is ignored by SQLite if provided. This
+ directive is optional.
%% \item [Multiple Connections = \lt{}yes|no\gt{}]
%% \index[dir]{Multiple Connections}