I am designing Railway reservation system. I am having below tables. StationTable(Contails all the stations to which i can provide the railway service.)
In MySQL, I was advised to store the multiple choice options for \"Drugs\" as a separate table user_drug where each row is one of the options selected by a particular user.I was also advised to create
Of course I realize that there\'s no one \"right way\" to design a SQL database, but I wanted to get some opinions on what is better or worse in my particular scenario.
I\'m trying to implement web application using Entity Framework Code-First. I\'ll explain the problem on such example:
I have a table that has two optional foreign keys, each to a different table and one of which HAS to be filled in, but it doesn\'t matter which one.I was thinking about using a trigger to enforce this
how do you label your \"code\", se开发者_如何学Cquencial number (1,2,3,4...n)? Example My DeviceType lookup table holds mobile devices, and has the following attributes
Consider this table: +-------+-------+-------+-------+ name|hobby1 |hobby2 |hobby3 | +-------+-------+-------+-------+
I have an interesting problem on hand. I have a large model in Erwin - My logical data model is almost at the level of physical model. Hence, to present the model to the business analysts and programm
I have been trying to figure out how to do this, and even with looking at other examples, I can\'t get it figured out, so maybe I can get some personalized help.
开发者_如何学JAVA As it currently stands, this question is not a good fit for our Q&A format. We expect answers to be supported by facts, references,or expertise, but this question will likely
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