I\'m trying to set up a database for multiple choice test that will be taken by multiple users. And I am having a difficulty setting up the database and the application logic.
Requirement: Manager will assign targets to his subordinates and subordinates will report on these targets.
I\'ve got a mysql table where each row ha开发者_运维知识库s its own sequence number in a \"sequence\" column. However, when a row gets deleted, it leaves a gap. So...
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I\'m developing an unique application that uses a MySQL database and I\'m seeking some advice on my database schema strategy before I go and implement it.
This is my first time designing tables in a sql database and I have no idea how much server cpu this would use and whether this is a viable way of coding.
I am designing a database and as i do not have much experience in this subject, i am faced with a problem which i do not know how to go about solving.
I\'m creating a开发者_开发问答 website(PHP + MySQL based) with a list events. I currently have the events stored in a database called \'events\'.
I have some questions about meanings of identifying one to many relationship. I read some other related questions on stack overflow, but I need a bit more information :)
I have an app with 2 models: Product and Photo, each of which corresponds to a MySQL table (drived by MyISAM).
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