I have a design issue with db denormalization. I\'m making a relatively large database and need to optimize it a much as possible.
I have two databases (db1 and db2) that used to be used by two different programs, and now I am combining them (both the databases and the programs), so, db2 is going to be part of db1. So, I know how
I\'m writing a rails application that has a need for very fine-grained authorization at the object level. Other systems use p开发者_运维知识库lugins such as acl9 or declarative_authorization however I
One of the basics of this new website I am making it that it allows for a user to select their favourite game. Because i want users to be able to search for people who like the same games that they li
I want to host a PHP application on Cloud to take advantage of on-demand scalability. I am afraid if my application were to get featured on Digg/Slashdot/popular blogs (hopefully all of these places)
Say i have a database of real-estate properties (apartments, houses, industrial spaces, offices) and each have a set of common attributes ( the ones common to all constructions like address, price, de
I understan开发者_StackOverflow社区d the value of primary keys. I understand the value of indexes.
Referring to the Postgres Documentation on Character Types, I am unclear on the point of specifying a length for character varying (varchar) types.
I want to create a database of products where each product can have multiple colours. I wanted to know if it\'s possible to create a form开发者_StackOverflow社区 which allows the user to enter the Pro
I am working on one document system and got some logic/architectual problems. In th开发者_JAVA百科is system will be many types of documents - incoming, outgoing, etc. Every document type have its own
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