How would you design the data model for an inventory management system in RDBMS? Would you: store each purchase & usage, and uses SUM() and GROUP BY to calculate the warehouse quantity on-the-f
Can someone please clarify what these mean in RDBMS terms. I always get these confused,开发者_如何学JAVA and I can\'t find a single decent tutorial on this. Try to reduce the definitions to,
The command to enable versioning (part of开发者_C百科 what Oracle calls Workspace Management) in Oracle (DBMS_WM.EnableVersioning) creates non-materialized views, which cannot be indexed.Will this kil
I\'m developing an open source product and need an embedded dbms. Can you recommend an embedded open source database that ...
Coming from question “Relation” versus “relationship” What are definitions of \"relation\" vs. \"relationship\" in RDBMS (or database theory)?
What\'s the best way to store a high amount of data in a database? I need to store values of various environmental sensors with timestamps.
I am currently designing a database for a system containing a number of different user types. My schema look like this:
I am working on a project which features one database table looking like this (structurally, but not datawise - puuh):
Some parts of my web app would开发者_开发技巧 work very well with a RDBMS, such as user and URL handling - I want to normalize users, emails, hosts (ie stackoverflow.com), and urls (ie https://stackov
I might be missing the point on this, but I am trying to echo out a HABTM开发者_开发百科 value in my index, and I cannot seem to get the data.
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