Regarding the first part of my question: I was recently asking myself what are the benefits and trade-offs of having a unique identifier for certain tables in a relational database. Just as an example
Is there any tool which take ER diagram as input and generate Object Re开发者_如何学Pythonlational Database Design in return? More specially is it possible with mysql workbench?
As i couldnt get any satisfying answer to my Question it seems we have to write our own program for that, we are in the design phase and we are thinking which format shall we use to backup the data.
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i am reading about the \"entity attribute value model\" which sort of reminds me of an star-schema which you use in data warehousing.
At the moment, if I do the following, it just generates the schema.yml: ./symfony doctrine:build-schema
I have a table which contains an XML type column. I make export for this table using IXF format. when I tried to make import for this table, it gives me error saying you may use File Type Modifier (FO
I have a table that has a lot of fields that are foreign keys referencing a related table. I am writing a script in PHP that will do the db queries. When I query this table for its data I need to know
I am working on a project that is a customized and specific CMS. In the frontend many of the fields will have pre-populated choices. However for these fields there needs to be an \"Other\" option that
I\'m am making a system where a user can vote up or down on a product, I need to be able to explicitly work out开发者_如何学Python the amount of ups and downs a product has, as well as a total score f
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