@@ -15,9 +15,9 @@ Project:M36 implements a relational algebra engine as inspired by the writings o
18−Currently, the best-supported frontend is the Tutorial D interpreter. Run `cabal run tutd` in newer versions of cabal or `./dist/build/tutd/tutd` in older version of cabal to start the command line interpreter. You will be greeted with:
18+Currently, the best-supported frontend is the Tutorial D interpreter. Run `cabal run tutd` in newer versions of cabal or `./dist/build/tutd/tutd` in older versions of cabal to start the command line interpreter. You will be greeted with:
20−`TutorialD:`
20+`TutorialD (master):`
22The Tutorial D interpreter comes pre-loaded with the Chris Date supplier "S"/product "P"/supplier-product "SP" relations for experimentation. This TutorialD interpreter is case-sensitive.
22The Tutorial D interpreter comes pre-loaded with the Chris Date supplier "S"/product "P"/supplier-product "SP" relations for experimentation. This TutorialD interpreter is case-sensitive.
@@ -26,7 +26,7 @@ At this point, there are three types of command which can be executed:
261. relational algebra expressions such as:
261. relational algebra expressions such as:
29−TutorialD (master): :showExpr S join P
29+TutorialD (master): :showexpr S join P
30┌──────┬─────┬──┬─────┬──┬─────┬──────┬──────┐
30┌──────┬─────┬──┬─────┬──┬─────┬──────┬──────┐
31│CITY │COLOR│P#│PNAME│S#│SNAME│STATUS│WEIGHT│
31│CITY │COLOR│P#│PNAME│S#│SNAME│STATUS│WEIGHT│
32├──────┼─────┼──┼─────┼──┼─────┼──────┼──────┤
32├──────┼─────┼──┼─────┼──┼─────┼──────┼──────┤
@@ -43,7 +43,7 @@ TutorialD (master): :showExpr S join P
43└──────┴─────┴──┴─────┴──┴─────┴──────┴──────┘
43└──────┴─────┴──┴─────┴──┴─────┴──────┴──────┘
46− where ":show" instructs the interpreter to show the resultant relation, "S" and "P" are relation names, and "join" is the join operator.
46+ where ":showexpr" instructs the interpreter to show the resultant relation, "S" and "P" are relation names, and "join" is the join operator.
472. interpreter-level queries such as:
472. interpreter-level queries such as: