denormalization
Denormalization of database tables for Lucene indexing
I am just starting up with Lucene, and I\'m trying to index a database so I can perform searches on the content. There are 3 tables that I am interested in indexing:[详细]
2023-02-16 02:15 分类:问答Are these the ways to write a query without joins in a NOSQL scalable website architecture?
I keep hearing that one of the ways to architect a scalable website is to not use joins. How is the world do you do that since most data is relational?[详细]
2023-02-13 23:16 分类:问答mysql datetime quick structure
how good is the datetime for questions like: Compare sales from Monday and Thusday? Mysql keeps datetime as a unix-timestamp internally? So finding mondays will be quite expensive.[详细]
2023-02-12 03:01 分类:问答Problem: Writing a MySQL parser to split JOIN's and run them as individual queries (denormalizing the query dynamically)
I am trying to figure out a script to take a MySQL query and turn it into individual queries, i.e. denormalizing the query dynamically.[详细]
2023-02-11 02:08 分类:问答Database design, huge number of parameters, denormalise?
Given the table tblProject.This has a myriad of properties.For example, width, height etc etc.Dozens of them.[详细]
2023-02-10 14:40 分类:问答Google App Engine and database "Views"
I\'m developing an application for GAE that has a fairly complex data model. Based on my understanding, a good way to handle a complex data model using a noSQL database, especially GAE, is touse de-n[详细]
2023-02-08 00:08 分类:问答Updating redundant/denormalized data automatically in SQL Server
Use a high level of redundant, denormalized data in my DB designs to improve performance.I\'ll often store data that would normally need to be joined or calculated. For example, if I have a User table[详细]
2023-02-06 18:49 分类:问答How to normalize / denormalize a vector to range [-1;1]
How can I normalize a vector to the range [-1;1] I would like开发者_开发百科 to use function norm, because it will be faster.[详细]
2023-02-05 02:15 分类:问答MySQL duplicate foreign key data or joins?
I\'m pondering the best method to handle Users and Accounts for a website. Every User belongs to a single Account, Accounts can have multiple Users. The tables will be MyISAM so there is no DB-enforc[详细]
2023-02-04 08:49 分类:问答How do you bind a linq-to-entities query that contains a join to a writable datagridview?
This question, although similar to others, doesn\'t seem to be a duplicate. If it is, please clarify and I will be happy to merge.[详细]
2023-02-03 10:00 分类:问答