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Which database level is closest to the users?
External database level is closest to the users.
What is property - properties of a database ? It is an integrated collection of logically related records. It consolidates separate files into a common pool of data records and
Physical Records These are the records that are stored in the secondary storage devices. For the database relation, physical records are the group of fields kept in adjacent me
What are called index-sequential files? The files that are ordered sequentially with a primary index on the search key are known as index-sequential files
what is cascading? what is rollback cascading? please explain in detail
external and internal mapping with examples
coventions for displaying an ER schema as ER diagram
Draw and explain the three level architecture of the database system? A DBMS gives three levels of data is said to follow three-level architecture. The trget of the three-schem
Project Description: I want to build a card playing Website. The user should be able to 1. Login. 2. Have profile access. 3. Put money into the site. 4. Selects t
Explain about database system structure? Storage manager Authorization and integrity manager Transaction manager File manager Buffer manager Storage manager
Give an example of operations from the State Actions and Activities. For instance, in bank the activity verify account code and verify password
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