开发者_JAVA技巧I have 3 table Room, Hotel, City, how can I select one room with minimal price and its hotel_id for each city
I have a list of objects (in pair, in one, IsApproved is true, and the other, IsApproved is false, i.e.:
I have multiple List with objects. But some of the items in one list, also exists in other lists. My question is how can I merge all the items of all the lists into one final list. 开发者_运维技巧So
I want to select in django from database. Test have many tests results. I need to select the latest ending开发者_开发百科.
I have searched all over and can\'t manage to get this to work. I am trying to build a question that groups my records within 5 minutes - and displays the last entry. However I managed to get there ha
SQL guru needed, this is killing my neurons. I have a db structure (simplified) like this: DESC documents;
I have two table structures in my database: CREATE TABLE `projects` ( `id` int(11) NOT NULL AUTO_INCREMENT,
In Sencha, I have a store with some products in. Each products has his own id, name, price... I can add an item to a store, but when I add the same item multiple times to a store, I want the store to
I want to use LINQ to convert input XML to output XML by performing GROUPBY on \"Summary\" field and SUM up the Balance field.
Hi I have a machine that logs where guests and users navigate to and I开发者_StackOverflow社区\'m trying to write a php script that will sort the logs and summarize for me the top five destinations pe