You can have data without information, but you cannot have information without data.
—Daniel Keys Moran
In the previous chapter, you have seen that changing the way we write queries cannot be separate from the structure of the underlying meta model. This is because the way we model relationships has a direct impact on how we can refer to those relationships in a query.
But this interaction does not only apply to data retrieval. With regard to the creation, modification, and deletion of objects (records), we also have to consider both the integration into the language and the consequences ...
