clause

I can't find any documentation on "not equal" sign in Visual Prolog. Please provide the right solution of this problem: class predicates sister : (string Person, string Sister) nondeterm(o,o). clauses sister(Person, Sister) :- Person [not-equal-sign] Sister, parent(Person, Parent), parent(Sister, Parent), woman(Sister). I don't know what do you mean by "not equal" (does not unify?), but you could try these: X \= Y not(X = Y) \+ (X = Y) Documentation for the second variant pointed out by Kaarel can be found in this Visual Prolog reference page. However the problem with your code goes a little

I have a table that contain a field names as mgrs, the value that stored in mgrs fields is like '42SWC227821555' may contain more charachters, and may contain lower case letters. So now i want to search records between two mgrs, so how can i do that? can i convert mgrs value to integer first and then use in between clause? Instead of BETWEEN clause use STRCMP(expr1, expr2) function for string comparison operations: WHERE STRCMP(mgrs, '42SWC227821555') >= 0 AND STRCMP(mgrs, '42SWC227821570') <= 0 I will list some steps, instead of complete answer. Remove all alphabets from you value, means you

I am trying to create OR condition dynamically using an array. Given an array, of course names $courses = array('Eng, 'Deu', 'Bio', 'Chemi') I want to have a SQL query that uses the values of the array in its AND clause with OR conditions like: SELECT * FROM classe /* The OR conditions should be created in AND clause using array */ WHERE class = 'EFG' AND (course = 'Eng' OR course = 'Deu' OR course = 'Bio') I trying to do it in PHP MySQL. Any help would be really appreciated. Thanks in Advance. Instead of so many OR clauses, you can simply use IN(..) : SELECT * FROM classe WHERE class = 'EFG'

The question is as simple as the title says,But here is one logic. Here is my code CREATE TABLE `inf_brand_images` ( `id` bigint(99) NOT NULL AUTO_INCREMENT, `brand` varchar(255) NOT NULL, `thumb` text NOT NULL, `is_active` int(2) NOT NULL DEFAULT '1', `cmp_brand` varchar(1024) NOT NULL, PRIMARY KEY (`id`) ) ENGINE=MyISAM AUTO_INCREMENT=6458 DEFAULT CHARSET=latin1 Here is data in this table ID | brand | thumb |is_active| cmp_brand 1 | NIKE | a.png | 1 | 2 | DUNHILL| b.png | 1 | 3 | NIKE | c.png | 1 | 123_NIKE 4 | NIKE | d.png | 1 | 789_NIKE cmp_brand is prefixed with some their ids like 123_