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  • License: Freeware
  • Last update: 5 years ago
  • Total downloads: 257
  • Price: Free |
  • Operating system: Linux
  • Publisher: Salvo Tomaselli
See full specifications

linux default iconRelational Publisher's description

Relational is an educational tool for relational algebra.

Relational is an educational tool for relational algebra.
It provides a GUI to load/store relations, execute queries on them and show the result.

It also provides python module with a relational algebra to python compiler, which can be used in other free software projects.

What's New in This Release:

В· Font is set only on windows (Rev 206)
В· Improved futile_union_intersection_subtraction in case of A-A, when A is a sub-query (Rev 208)
В· Improved futile_union_intersection_subtraction, handles when a branch of subtracion has a selection (Rev 209)
В· Can load relations specified in command line (Rev 210)
В· Using fakeroot instead of su in make debian (Rev 214)
В· Fixed problem with float numbers with selection of certain relations (Rev 215)
В· Added .desktop file on svn (Rev 216)
В· Automatically fills some fields in the survey (Rev 217)
В· When a query fails, shows the message of the exception (Rev220)
В· Improved tokenizer for select in optimizations, now can accept operators in identifiers (Rev220)
В· Uses getopt to handle the command line in a more standard way
В· Organized code so the ui can be either qt or command line
В· Does not depend on QT anymore
В· Added readline user interface
В· Added division operator

System Requirements:

В· Python
В· PyQt
В· Qt
Program Release Status: Minor Update
Program Install Support: Install and Uninstall

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