I am trying to export some data from two tables bridged by a third table that stores the one (file) 开发者_运维百科to many (keywords) relationship.
I\'m currently mucking about with CakePHP, deciding if I\'ll use it in an upcoming web application. The problem is, I\'ve got several tables which at some point share relevant data with each other. I
Table1 t10 (id) id --- 1 2 table t11(a1,a2,a3) a1a2a3 ---------- 110a 110b 111b 112c 220d 221e select * from t10 a,t11 b where a.id = b.a开发者_C百科1
I have a tree like structure of Categories, the leaf Nodes in the tree have Products and the products have Cods
I have a canvas for diagramming, and want to join nodes in the diagram by directed lines (arrow ends).
I have a faily simple many to many schema, which looks like this:alt text http://img406.imageshack.us/img406/8207/partialschema.png
I see no difference between the two queries below: query_join = select a.id, b.name, a.telephone, a.descriptionfrom tb_industry aleft outer join tb_sector b on a.sector_id = b.id
I have the following tables: Financial: PK_FinancialID FK_SchoolID School: PK_SchoolID Class: PK_ClassID FK_SchoolID
I have posts, votes, and comments tables. Each post can have N \'yes votes\', N \'no votes\' and N comments. I am trying to get a set of posts sorted by number of yes votes.
I have Two tables like this: Table categories: columns: id, name, parent 1, Foods, 0 2, Drinks, 0 3, FastFood, 1
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