database-schema

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Why isn't mySQL using my index in my test query?

I have a simple mysql table I want to use for daily stat tracking.After putting some information into it and testing out a samply query I\'d use on it, it\'s not using my index!I can\'t figure out why[详细]

2023-03-12 06:04 分类：问答
Private Message Database Design

Alright, so I think I\'m pretty close to having what I need, but I\'m unsure about a couple of things:[详细]

2023-03-11 05:06 分类：问答
Am i violating any NF RULE on my database design?

Good day! I am a newbie on creating database.开发者_开发技巧.. I need to create a db for my recruitment web application.[详细]

2023-03-10 10:16 分类：问答
Users group table schema

I am creating a system where users can join and create groups. Within these groups, members can开发者_如何学C create topics and respond to topics already created, so I\'d like to know your opinion on[详细]

2023-03-09 02:37 分类：问答
TFS_SCHEMA_VERSION Problem while updating tfs 2010 to sp1

I\'d applied the SP1 to an installed RTM version and when I try to access to the team server, an error indicating bad TFS_SCHEMA_VERSION occurs:[详细]

2023-03-07 00:10 分类：问答
Where can I learn more about Conceptual Data Model?

Where can I learn more about Conceptual Data Model? I have to create a schema ba开发者_StackOverflow社区sed on the convention in the image below.[详细]

2023-03-06 19:01 分类：问答
What is the simplest way to enumerable tables, views and SPs of a database

What is the best way to enumerate开发者_如何转开发 tables, views and stored procedures using ADO.NET?[详细]

2023-03-06 17:06 分类：问答
Relating a single type to multiple types

Pretend I\'m Mark Zuckerberg and it\'s 2003. I\'m building a social network website (thefacebook.com) and I need an advice.[详细]

2023-03-06 14:22 分类：问答
What is a good-practice of a schema for a site that accepts logins from multiple sites (e.g. facebook connect, google, flickr, etc..)?

I asked this question at http://dba.stackexchange.com, but it was closed with a note that I should ask it here as it relates to design and not administration.[详细]

2023-03-05 17:12 分类：问答
Entity Framework - Splitting table to multiple entities WITH AN OVERLAPPING CONDITION

Is there a way to preform the following mappings (using database-first approach): Tables: (Defining tables with C#-like syntax for readability purposes only)[详细]

2023-03-01 07:07 分类：问答