Entity-Attribute-Value. A data model with a potentially big number of attributes of which only few apply to a single entity.

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Field types database design best practice

I am creating a cms system where the user can create fields to use in the templates of the website. I want to create different types like 'string', 'html', 'integer' etc. The user must also have the ...
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1answer
46 views

EAV table question

What's the best design for taxonomies in EAV tables? taxonomy id autoincrement name unique terms id autoincrement tax_id references taxonomy(id) name text unique value text ...
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Migrating schema from Entity-Attribute-Value (EAV) model to proper tables

I have an Entity-Attribute-Value (EAV) database in Oracle 11. For many, many reasons, I would like to model this using actual tables. Changing all the client code at once is not possible. Existing ...
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41 views

mysql - suggestions for table design with huge number of columns

We have a table that consists of a huge number of columns (usually between 500 to 1000, depends on our clients websites). We are suffering from speed issues due to this, and we're looking for the best ...
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0answers
14 views

database structure for an object of keywords

Each object I am storing is made up of a title, a description and 10-20 keywords. Each keyword is grouped and some groups can only have one member keyword assigned to an object. Objects will only ...
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0answers
18 views

Design and queries for analysis of event-sequences

I will have to store sequences of events with certain properties in a database (MariaDB preferably) and I have some issues regarding the design and queries. The crucial part is the analysis of the ...
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132 views

Architecture for huge catalog of products

I need to upgrade my current system of product catalog. For currently I have a 12 000 items in catalog, it's not a lot, but I need to improve them for feature. I have a task to reorganize my database ...