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Describe Database state in details? Database state: The actual data within the database at a particular moment in time is known as a database state.
er diagram of sport
Write short notes on relational model The relational model uses a collection of tables to show both data and the relationships between those data. The relational model is an ex
1. A company wants a report containing a breakdown of payroll by department. Input, which should be stored in 3 parallel arrays, includes each employee's department number, hourly
What is an ERD?
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.
What is an ER diagram? Why is it used in Database management system (DBMS)?
What is system catalog or catalog relation? How is better known as? A RDBMS maintains a explanation of all the data that it contains, information about every relation and index
What is an index? An index is a structure that helps to place desired records of a relation quickly, without probing all records.
Discuss deferred update technique of recovery. What are the advantages? Ans: The deferred update methods do not physically update the database on disk till after a transact
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