datamodel
Jsf DataModel vs Java List problem ( no row available exception )
In JSF 1.2 One was listing Items using Java List : private List<Customer> customerItems = null; , but in JSF 2.0 JSf DataModel (ListDataModel) is the way to go. (I am using JSF 2.0)[详细]
2023-03-13 21:08 分类:问答How do I model a 1:N relationship that is constrained a by third entity?
My predicament: I am Chen-mo开发者_如何学JAVAdelling an accounting database in which the client to account entity relationship is one-to-many (1:N), but the client to office_location relationship is u[详细]
2023-03-03 13:06 分类:问答How to model nested collection with one primary object
I\'m looking to model in an RDBMS a meeting which has several proposed times, but one will be chosen as the accepted or primary one. Something like:[详细]
2023-03-01 16:04 分类:问答what exactly is a map dimension in a multi-dimensional map?
Like many these days, I am an old relational-model user approaching Cassandra for the first time.I have been trying to understand Cassandra\'s data model, and when I read about it I fr开发者_运维知识库[详细]
2023-02-27 06:19 分类:问答Data model, graph library, C++
I am creating a C++ library for implementing graph algorithms. I am thinking about the appropriate representation of the class \"Graph\".[详细]
2023-02-25 13:42 分类:问答DataModel and DataModelSelection in Seam problem
I wolud like use DataModel and DataModelSelection annotations in my managing component. @Name(\"myComponent\")[详细]
2023-02-22 15:37 分类:问答How to define a unique-relationship in a bridge table so it is enforced by the datamodel?
This is an interview que开发者_运维问答stion I came across Given THREE tables GRADUATE - Graduate roll[详细]
2023-02-18 13:43 分类:问答Enterprise Architect Oracle long field column properties
I have a little problem with Enterprise Architect by Sparx System. Im trying to model database schema for Oracle. I created tabl开发者_高级运维e with primary key with data typelong. But when im tryin[详细]
2023-02-16 05:00 分类:问答How to persist order in JSF datatable or datamodel
I\'m using JSF and I have a complex datatable where the user can sort by column headings, re-order individual entries, etc.The table itself contains rows that are made up of BOTH read-only and freely[详细]
2023-02-08 07:41 分类:问答How to update Entity Data Model?
I have Entity Data Model using ADO.NET Entity Data Model (using auto generate from database) I have since updated the database schema.[详细]
2023-02-05 12:59 分类:问答