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87 views

Is this a good implementation of mongodb for a money management tool?

I have a money management tool which has users. Each user may have several accounts/funds (e.g. bank account). For each account/fund there may be thousands of transactions. Users may only view their ...
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124 views

Redmine - Database Structure/Normalization

I am using redmine for project management and issue tracking. I was looking at the database tables and the underlying structure and was wondering if anyone who is experienced with database ...
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115 views

Event sourcing with a read store - normal relational tables too?

I will be implementing Event Sourcing for the first time on a hobby project and I have what could be a really simple question: should the event store be the only storage area if you have a ...
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34 views

Not using Weak entities could denormalize DB?

In the following scenery in a ER and relational Model: Object 1-----N [Part] 1-----N [Subpart] 1-----N [Item] (Where "1-----N" is a 1 to N relationship; and [Entity] is weak). Solution 1: ...
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85 views

Fixing data duplication in two similar tables in different databases

I'm currently doing maintenance on an old order system that has grown into the poster child for bad coding practice. One of the tings I'm dealing with is a lot of data duplication, which I want to ...