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What are stored and derived attributes?
Stored attributes: The attributes keeps in a data base are known as stored attributes.
Derived attributes: The attributes that are derived from the stored attributes are known as derived attributes.
What are stand-alone procedures? Procedures that are not part of a package are called as stand-alone because they independently defined. A good example of a stand-alone procedu
Types of Data fragmentation
#question.ERD of any car
User error : This contains errors in the program (e.g., Logical errors) with errors made by online users of database. These types of errors can be avoided by applying some check
Define the terms i) Entity set ii) Relationship set Entity set: The set of all entities of the similar type is termed as an entity set. Relationship set: The set of all rela
Find the names of all Albums that have more than 30 tracks. Result: (name: varchar(255))
What is the way a particular application views the data from the database that the application uses? Sub schema is the way a particular application views the data from the data
Which model is record based logical model? Network Modelis basically known as record based logical model.
What is the used of specifying alias? Specifying alias: is used to rename column or attribute in a table.
What is a dataset? A dataset is an in-memory database that is disconnected from any regular database, but has all the significant characteristics of a regular database. Dataset
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