Updated README with better examples and driver parameter

README.md

@@ -10,19 +10,23 @@ basic usage
 -----------
 
 First, create your properties file. JDBCJSON breaks properties down
-by jobs. Each job has three parameters, url, sql and out. url is
-the JDBC connection URL. sql is the SQL statement executed whose result
-is used to generate the JSON. out is the path for resulting JSON. Take
-the following example:
-
-    mytable.url = jdbc:postgresql://localhost/mydb
-		mytable.sql = SELECT * FROM mytable
-		mytable.out = mytable.json
-
-
-This properties file will create a job called "mytable" that will query
-a postgresql database on localhost, selecting all the columns from
-mytable, and output the result to mytable.json. Multiple jobs may be
+by jobs. Each job has four parameters: `driver`, `url`, `sql`, and `out`.
+`driver` is an optional parameter for specifying the driver class to be
+registered. `driver` is only required for non-JDBC4 drivers. JDBC4 drivers
+should self register. `url` is the JDBC connection URL (see your driver
+documentation for more details.) `sql` is the SQL statement executed
+whose result is used to generate the JSON. `out` is the path for
+resulting JSON. Take the following example:
+
+		people.driver = net.sourceforge.jtds.jdbc.Driver
+		people.url = jdbc:jtds:sqlserver://myserver/db;user=sa;password=sa
+		people.sql = SELECT * FROM people
+		people.out = people.json
+
+
+This properties file will create a job called _people_ that will query
+a SQL Server database on localhost, selecting all the columns from
+_people_, and output the result to _people.json_. Multiple jobs may be
 specified in a single properties file.
 
 
@@ -31,21 +35,21 @@ the first time you run a new properties file against JDBC. The debug
 switch will give you additional warnings about things like unsupported
 fields (BLOBs, for example.)
 
-    java -jar jdbcjson.jar -d mytable.properties
+    java -jar jdbcjson.jar -d people.properties
 
 
 advanced usage
 --------------
 
-Only the url parameter of a properties file is required. The other two
-properties have default values, based on the job name. The sql parameter
-defaults to "SELECT * FROM <jobname>". The out parameter defaults to
-"<jobname>.json". Thus,
+Only the url parameter of a properties file is required. The `url` and `out`
+properties have default values, based on the job name. The `sql` parameter
+defaults to `SELECT * FROM <jobname>`. The `out` parameter defaults to
+`<jobname>.json`. Thus:
 
-    mytable.url = jdbc:postgresql://localhost/mydb
+    mytable.url = jdbc:postgresql://localhost/mydb?user=postgres&password=postgres
 
-Is the same as
+Is the same as:
 
-    mytable.url = jdbc:postgresql://localhost/mydb
+    mytable.url = jdbc:postgresql://localhost/mydb?user=postgres&password=postgres
 		mytable.sql = SELECT * FROM mytable
 		mytable.out = mytable.json