README file
for prog subdirectory of Lecture 9

Files in this directory:

(1) "Classpath" 
	For your reader.java program to work, at runtime, you
	will need to set your CLASSPATH
	variable to contain the following directory:

	/usr/unsupported/packages/postgresql/postgresql/share/postgresql.jar

(2) "Reader.java" (older version is called "SReader.java")
	Programs from Bansi Kotecha to read from TIGER files into
	postgres.  

	IMPORTANT: when you insert into a relation, you
	must first create the relation if it is not already
	existing.  There are two ways to call Reader:

		> java Reader [fmtfile] [datafile]
	or
		> java Reader -c [fmtfile] [datafile]

	where the latter is used if you need to create the relation first.

(3) "Makefile"
	Shows some targets in using files in this directory.

(4) "gradeCreate.sql" and "bookCreate.sql"
	Two pre-canned set of SQL instructions for 
	creating and doing simple SQL queries.

	From psql, type (for instance):

		=> \i gradeCreate.sql

