Changes in this edition:








	1) Added relational comparisons operators (<, >, =, !=, >= and <=)



	to predicate.h and predicate.c



	



	2) Fixed a header problem with file schema.h



	



	3) Added file query1.c with source code for test query1.



	NOTE: YOUR PROGRAM CODE MUST BE ABLE TO RUN WITH QUERY1



	TO BE CONSIDERED A FUNCTIONAL PROJECT.








	4) Added file query2.c with source code for test query2.



	



	5) Added file query3.c with source code for test query3.








	6) Added professor version of query1 under the name



	prof_query1. Runs under Red Hat 7.1








	7) Added professor version of query2 under the name



	prof_query2. Runs under Red Hat 7.1








	8) Added professor version of query3 under the name



	prof_query3. Runs under Red Hat 7.1








	9) Added a new Makefile to compile the project.













Note: Once icarus is back online, I will give another Makefile



with the commands to submit your project.