data-modeling
Database Design: how to support multi-lingual site?
Suppose I have the table: TABLE: product =================================================================[详细]
2023-02-22 02:32 分类：问答Database Design: use a non-key as a FK?
Say I have the following table: TABLE: widget - widget_id (not null, unique, auto-increment) - model_name (PK)[详细]
2023-02-21 21:48 分类：问答Data Modeling: use a series of BOOLs or 1 ENUM?
Say I have a table called \"media\" to represent audios, images, and videos. Furthermore, say I need to distinguish between the media types. Which is better:[详细]
2023-02-21 03:23 分类：问答Data Modeling: vehicle's year, make, and model?
I\'m trying to model vehicles at a basic level. Here\'s how I see the data: A \"year\" (e.g. 2010, 2011) has 0 or more \"make\" (e.g. Nissan, Honda)[详细]
2023-02-21 02:43 分类：问答How to represent 1-to-many relationship in as3.0 data model
I\'m building an AS3.0 model for reading from an sqlite database.I\'ve successfully got it working with a simple table. Basically I have a databasemodel class with some shared fu开发者_开发知识库nctio[详细]
2023-02-20 19:41 分类：问答tool to extract data structures from unclean data
I have unstructured geneally unclean data in a database field. There are common structures which are consistent in the data[详细]
2023-02-20 14:51 分类：问答How do I calculate a value in a model based on children of that model in rails3?
I\'m new to rails and I can think of several ways to solve this problem, but I\'d like to do it the \"rails\" way. My problem is that I have a model - exam - which :has_many questions. I\'d like to wr[详细]
2023-02-20 02:54 分类：问答Developing a Cassandra "schema" for unique-id-less data
I\'m attempting to create a Cassandra schema for stock price data. Each records has the following fields:[详细]
2023-02-19 06:42 分类：问答Declarative integrity constraint between rows without pivot
Merged with Declarative integrity constraint between rows without pivot. I have a situation like the following join table:[详细]
2023-02-18 16:51 分类：问答What data modeling tools are nosql (couchdb) developers using? [closed]
Closed. This question does not meet Stack Overflow guidelines. It is not currently accepting answers.[详细]
2023-02-17 10:04 分类：问答
![Interactive visualization of a graph in python [closed]](https://www.devze.com/res/2023/04-10/09/92d32fe8c0d22fb96bd6f6e8b7d1f457.gif)
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