Questions tagged as 'jpa'

I am working on a project with spring roo and with gvnix, the question I have is about the loupe field, I already know how to change what is shown in the list of search results, concatenating the fields of my entity that I want and calling the...

I am storing images that range from 1mb and maximum 7mb in a MySQL database. For this I have created a table with a field of type MEDIUMBLOB that has a capacity of 16,777,215 bytes which is the same 16mb. When I save images of up to 2.2mb it...

I'm starting with JPA in netbeans and I set out to create a small maintainer of a course (school). I found a problem in obtaining a group of students according to the course, I have not given how to introduce the clause "where" or some grouper t...

I'm trying to list operators whose level or type of user equals 3. Clearly I have an error in the syntax or in the comparison that I make. I hope you can help. <tbody> <c:forEach items="${listPostulant}" var="postulant">...