How database templates are stored?
Database design – best way to store templates and instances
- Store the “instances” in the same table and store related information similarly.
- Make different tables with the same attributes and store the templates in one table and the “instances” in another table.
Can we store in database?
Databases allow you to store files within tables in the database, such as images. Now, while you can create tables and columns to store files (such as Oracle’s BLOB data type), it doesn’t mean you should. Doing so allows for faster file access, easier file metadata access, and easier backup and restore functionality.
Can you store hierarchical data in a relational database?
If you ever had to store hierarchical data (for example, tree of categories) in the relational database (for example MySQL), very soon, you realized it is not easy and efficient. In fact, relational databases are not designed for storing hierarchical data. In this tutorial you will learn how to store hierarchical data in efficient way.
Can a hierarchical table be stored in a flat file?
And, unless you’re using a XML-like database, tables aren’t hierarchical; they’re just a flat list. You’ll have to find a way to translate the hierarchy in a flat file. Storing trees is a common problem, with multiple solutions.
How to manage hierarchical data in SQL Server?
Microsoft SQL Server 2008 implements two features that are extremely useful for managing hierarchical data: the HierarchyId data type. common table expressions, using the with keyword. Have a look at “Model Your Data Hierarchies With SQL Server 2008” by Kent Tegels on MSDN for starts.
How to store directory / hierarchy / tree structure in database?
The path contain non-normalized redundant data, and you have to use triggers or something to keep them updated. Eg. if a node changes parent, the whole subtree have to have their paths updated. And subtree queries have to use some ugly substring matching rather than an elegant and fast join.