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Perfect for applications with complex data models, like CAD, simulations, and software needing rich data relationships that map directly to programming objects.
When you save an object, the DB stores the object's data and its references. It keeps track of object identities and relationships. Developers can query and manipulate objects directly without converting them to rows or columns, making data handling more natural.
They serve different needs; OODBs are better for complex objects, but rel DBs are still common for tabular data.
Mostly with object-oriented languages, but support varies.
They can be efficient for complex data but might lag in simple query performance vs relational DBs.
They persist objects by storing their state and relationships directly.
Not really, query methods differ per system, often language-specific APIs are used.
