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1. Which model is used to store data in tree structures Ans: Hierarchical model is used to store data in tree structures
For each m:n relationship type R, we make a new table (say S) to represent R. We also contain the primary key attributes of both the participating entity types as a foreign key att
Need for Multiple Access Paths In practice, most of the online information systems need the support of multi-key files. For example, consider a banking database application hav
What is a relationship called when it is maintained between two entities? A relationship is called Binary relationship when it is maintained between two entities.
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What's the difference between a primary key and a unique key? Both primary key and unique key enforces uniqueness of the column on which they are explained. But by default prim
Critically explained the benefits and limitations of different database technologies with proper examples
What are called journaling file systems? File systems that support log disks are known as journaling file systems.
Project Description: I need a point of sale for motels. It needs to run on windows and requires being network able so that we can have more than one computer using it at once.
A video rental company has several branches. The data held on each branch is the branch address made up of street, city, state, and zip code, and the telephone number. Ea
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