tags:

views:

25

answers:

1
Q: 

Finding missing tables to avoid cross joins

Hi,

the user in my application can choose freely some fields from the database.

people
+ peopleid
+ peoplename

cars
+ carid
+ carnumber
+ carcolor

pers_car
+ carid
+ peopleid

Lets assume the user is selecting the fields peoplename and carcolor to find out which person likes which colours.

Is it possible to identify the missing pers_car-Table (needed for joining) if...

  • the table and the fields doesn't have a nice name?
  • differenciate between logical and unlogical requests from user?
A: 

The first word in line (before "+") is the table name. The software removed my line breaks :(

karl  2010-10-05 17:02:05
@karl you can edit your question.
TheVillageIdiot  2010-10-05 17:14:51

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