Suppose we have a table items and properties. Users can create items and also assign user-created properties to them. For example: Items: id | name ---|-------- 1 | First 2 | Second 3 | Third ...

I am implementing an entity-attribute-value model to store nationwide property data that will be updated daily: 130 million properties, will probably store billions of values. We also want to search ...

i have a table named tblcustomfieldsvalues where i want to create a trigger for updating a row in the same table, this is the table : Table screenshot The goal is to create conditions like this : if ...

To control the experimental setup user inputs the following table which defines unique parameter configurations, i.e. combinations of parameter values under which the experiments should be run. The ...

I have a jsonb column that looks like this: Id Data 1 {state: ["CA", "NY"], county:["Los Angeles"]} 2 {city: ["Kansas City"], zipCode: "12345"} 3 {...

I really need advice on how to properly optimize mysql database queries. I'm afraid to spoil everything at the very beginning, which will turn out to be a big headache for me later. There is a catalog ...

We have a hand-written SQL query for proof of concept and hope to implement the function with the Django framework. Specifically, Django's QuerySet usually implements a join query by matching the ...

I have the requirement where I am converting the base64 Image content to attribute and after that I am preparing the payload including the base64 Image content. But the problem is while converting the ...