denormalization

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DeNormalize Many to Many but don’t want to store redundant data in SQL world

Say I have newsletters and then subscribers: Whenever a user subscribes to a newsletter we need to store this in a table - the subscribers list.[详细]

2023-04-11 14:35 分类：问答
What is a productive / efficient way to query a table with repeating fields using T-SQL?

I have a tables (simplified) like this: Lender Id (PK) AgencyCode1 AgencyCode2 AgencyCode3... AgencyCode20 Agency[详细]

2023-04-04 00:49 分类：问答
mysql database chained tables denormalization

I have a design issue with db denormalization. I\'m making a relatively large database and need to optimize it a much as possible.[详细]

2023-04-03 13:47 分类：问答
Best practices for Denormalizing data from Relational to non-relational DBs

I\'m running a website that\'s starting to grow beyond simpl开发者_运维百科e performance and Tunning. It\'s a PHP app with MySQL as backend. MySQL is properly tunned and the code is optimized.[详细]

2023-03-23 19:33 分类：问答
How to Map Database Lookup Tables Automatically on Insert (Oracle)

I have existing tables that are pretty much denormalized. There are no lookup tables for things list status, type, country, etc... This original design was done just to simplify the application\'s acc[详细]

2023-03-20 10:41 分类：问答
Excluding everything above denormalized date in query

I denormalized my data (so a date is split up in a year, month, day and hour column) But now I wonder how to query everything before a certain date.[详细]

2023-03-16 09:34 分类：问答
On Denormalization. How can I make this query shorter or better? (SQL SERVER 2000) [closed]

This question is unlikely to help any future visitors; it is only relevant to a small geographic area, a specific moment in time,or an extraordinarily narrow situation that is not generally applic[详细]

2023-03-12 12:21 分类：问答
Normalization question regarding address,city,country data

I currently have 3 tables s开发者_如何学JAVAtoring information about all the main cities in the world, each region/state that corresponds to those countries, and each city that is in those states/regi[详细]

2023-02-23 06:38 分类：问答
Django: How to access original (unmodified) instance in post_save signal

I want to do a data denormalization for better performance, and put a sum of votes my bl开发者_开发问答og post receives inside Post model:[详细]

2023-02-22 14:57 分类：问答
MongoDB, C# and NoRM + Denormalization

I am trying to use MongoDB, C# and NoRM to work on some sample projects, but at this point I\'m having a much harder time wrapping my head around the data model. With RDBMS\'s related data is no probl[详细]

2023-02-18 11:57 分类：问答