Re: checking that any element from one group appears in another group?

2004-01-13 Thread Diana Soares
Couldn't it be something like: WHERE ('a' IN ('a','b','c','d') OR 'f' IN ('a','b','c','d') OR 'g' IN ('a','b','c','d') ) On Tue, 2004-01-13 at 15:34, Eli Hen wrote: > Hello All, > > In MySQL it is possible to check if an element is existing in a group, like: > > ... WHERE 'a' IN ('a',

checking that any element from one group appears in another group?

2004-01-13 Thread Eli Hen
Hello All, In MySQL it is possible to check if an element is existing in a group, like: ... WHERE 'a' IN ('a','b','c','d') ... but that checks one element only. I want to check if any element from a group exists in another group, like: ... WHERE ('a','f','g') IN ('a','b','c','d') ... 'a' in th