db-schema

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Is using JPA/ORM to generate a db schema a bad idea?

Salve! Part of another question/answer on SO (as well as other statements claiming the same): if you are updating your database schema by JPA (generally not a good practice though)[详细]

2023-04-09 06:27 分类：问答
For financial data is it useful to index DATETIME?

Suppose I have a table STOCKCODE, DATETIME, PRICE I want to perform a basic query such as finding the maximum price between 12.00 PM and 3.00 PM on a given date for a given stock.Currently I index b[详细]

2023-03-17 16:25 分类：问答
entity framework code first and database user

We\'re running into a small problem deploying a web application to another environment. We created the application\'s db using Entity Framework Code First approach (db automatic created from Model).[详细]

2023-03-11 01:39 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
database design for online ordering system

While designing an online shop database I had a problem with one part, could please someone give me an advise whether it is designed ok? The idea is that there are products which can be a开发者_开发知[详细]

2023-02-10 18:56 分类：问答
DB Schema of a Role Based Access Control

I\'m currently developing a member administration for a local association here and I\'m developing the database schema at the moment. I\'d like to share it with you to improve it and give other an exa[详细]

2023-01-16 04:28 分类：问答
DB Schema For Chats?

I need to store chat conversations i开发者_开发问答n a database schema. The way I would use this database is I would post chats on a website. Each chat would not be more than about 20 responses. Can s[详细]

2023-01-04 03:49 分类：问答
Ignore requiredvalidator in logout

Afternoon all. Here\'s an easy one for you that I can\'t figure out. I have a requiredfield validator that is doing its job too well! Upon the lnkLogOut, the user should be logged out but the requir[详细]

2022-12-19 14:33 分类：问答