Displaying 3 results from an estimated 3 matches for "car_typ".
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car_type
2006 Jul 26
0
legacy mysql db column c$car_type
Hi all,
Is there anyway to work around having a $ in the
column name (c$car_type)?
I can''t change the legacy table and I haven''t found a
way to alias a column name.
Am I just SOL and can''t use rails in this case or am I
missing something?
Brent
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2006 Jan 04
1
How to create a correlation table for categorical data???
Hi,
I need to create the correlation table of a set of categorical data (sex, marital_status, car_type, etc.) for a given population.
Basically what I'm looking for is a function like cor( ) working on factors (and, if possible, considering NAs as a level).
To better express myself, the manual way should be:
1) to create a set of n-1 numeric dummies (whose assigned values are 0,1) f...
2006 Mar 22
3
Parent-Child Tables Help
...error when i do it
Mysql::Error: #23000Cannot add or update a child row: a foreign key
constraint fails: INSERT INTO cars (`created_on`, `number_plate`,
`price`, `title`, `updated_on`, `color_id`, `make_id`, `cc_rating`,
`description`, `negotiable`, `views`, `year`, `transmission`, `user_id`,
`car_type`, `mileage`, `model_id`) VALUES('''', ''PBO-5678'', 36000.0, ''2001
Corolla'', ''2006-03-22 02:23:35'', 0, 0, 1800, ''Nice\n'', 0, 0, 2001,
''Manual'', 1, ''\'''', 1600, 0)
al...