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In Microsoft SQL Server, for example, a primary key usually equates to a clustered index. In SQLite, a primary key is usually just a unique index and is distinct from the special rowid column name.
Under far too many circumstances, those responsible for modeling data are ignoring the above perspective on primary keys and are simply defining surrogate keys for everything in their data model. One ...
In summary, primary keys and foreign keys in SQL, when viewed through the lens of Fortnite, illustrate the importance of unique identifiers and collaborative relationships within a database.
I'm adding a table and subclass table to my DB. (Subclass table = table where the primary key joins to the primary key of another table, to give extra row information to some subset of the rows ...
When working on a multidimensional design, every fact table within scope should be handled with care. In an ideal world, each low-level fact table represents the metrics related to a business event.
Defining Columns, Primary, and Composite Keys in Entity Framework There are two attributes you can put on your entity class properties: one is a convenience, the other is essential, and both are ...
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