CCF_100/relational
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

Hopefully improved the README

Browse Source 
It was a bit aggressive, had a typo
This commit is contained in:
Salvo 'LtWorf' Tomaselli 2016-01-01 12:35:12 +01:00
parent c795acad97
commit 99b3a10b68
1 changed files with 17 additions and 9 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

26
README.md
View File

@ -1,8 +1,12 @@
Relational an educational tool to provide a workspace for experimenting with *relational* *algebra*, an offshoot of first-order logic.
It provides GUI that can be used for executing relational queries, and also provides a command line interface.
It works on GNU/Linux, Windows and OS X.
It provides:
* A GUI that can be used for executing relational queries
* A standalone Python module that can be used for executing relational queries, parsing relational expressions and optimizing them
* A command line interface
Provides a standalone Python module that can be used for executing relational queries, parsing relational expressions and optimizing them.
Official website
================
@ -20,7 +24,6 @@ For Linux, check your distribution's packages, relational is available on Debian
Syntax
======
These are some valid queries
```
@ -29,7 +32,7 @@ These are some valid queries
Q ⋈ π a,b(A) ⋈ B
ρid➡i,name➡n(A) - π a,b(π a,b(A)) ∩ σage > 25 or rank = weight(A)
π a,b(π a,b(A))
ρid➡i,name➡n(π a,b(A))
ρ id➡i,name➡n(π a,b(A))
A ⋈ B
```
@ -54,13 +57,18 @@ To launch the application, run
./relational_gui.py
```
Running on osx
==============
or
You can probably follow the instructions on running from sources to
rut on osx.
```
python3 relational_gui.py
```
If you encounter problems, don't ask me for help.
Running on OS X
===============
You can follow the instructions on running from sources to
run on OS X.
If you encounter problems, don't ask me for help. I don't have an Apple.
If you encounter problems and overcome them, please tell me how to update this
README.