I have a query that works in plain SQL but is not working on JPA and can\'t figure out why. As you can guess from the title I have a clue but I don\'t know how to \"fix\" it.
Excuse the poor title, i can not think of the correct term. I have a database structure that represents objects, objects have types and properties.
Hi i\'m stuck with this doubt: How do I make i Join with 2 IRepositories? look my controller... public ActionResult Colaboradores(int baseid)
I\'m looking at programming/design patterns for the model layer of my application, and am wondering which one fits best with the situation where you are doing a retrieval that involves joins across mu
Here is my situation: I have one table that contains a list of drugs sold containing the NDC (an identifier), quantity sold, and whether the drug is a brand name or generic.I have another table that
Sometimes it is useful to map a class against a join instead of a single table when using SQLAlchemy\'s declarative extension. When column names collide, usually in a one-to-many because all primary k
I\'m running into a ConstraintViolationException when I try to save an object with a @OneToMany map in it. Hibernate either seems to think that I\'m trying to put a NULL into the mapped list or it may
I have this query: SELECT TA.id, T.duration, DATE_FORMAT(TA.startTime,\'%H:%i\') AS startTime, TEI.displayname,
my Linq To Sql model contains some entites that cause the generated Sql code to be LEFT OUTER JOINS. this is correct, because of how the tables are modelled.
string query = \"update User u set u.PointsTotal = 1 join u.Rounds r where r.RoundId = :round and (r.Row1 & :val) > 0\";
加载中,请稍侯......