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The Future is in the Cloud: Understanding the Importance of Cloud Computing

Explain the importance of cloud computing for users on the internet? Cloud computing gives the storage space for the client user to access from the web link provided to the user to store the database files. The user can store and make backup files rather than the offline storage device. The cloud storage service provided to the client user reduces the database loads and stores in the smartphone device or computer system. The user can access the database that can be manipulated through the different types of manipulation tools and options that are provided to use and apply on the database files such as:- create new files, delete old file or unnecessary files, change the files inside the information can be updated by accessing through their specific application etc. Cloud computing is important for internet users because it offers convenient, on-demand access to a wide range of computing resources such as data storage, software, and processing power without the need for physical hardware...
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What are the components of data model in [DBMS] Relational Database Management System?

What are the components of data model in [DBMS] Relational Database Management System?

There are five main components of data model in RDBMS

Fields

  • Fields are the attributed of the records.
  • It is also called tuple of the attributes and properties or features.
  • Fields shows the characteristics of the object such as name, age, gender, address etc.
  • It contains also primary attribute or auto number id.

Records

  • Records are tuple or rows in the database.
  • It shows all the data of the object inserted in the rows.
  • It is also collection of the attributes, properties or fields.

Files

  • Files are the collections of the records.
  • It shows the related records in the file data.
  • It is also collections and combinations of the tuples and attributes.

Databases

  • The database is the collection of related files.
  • It is also a group of files which is making relation to each other.

Key field

  • Key fields also called key attribute in the database of relation.
  • There are some key attributes you can apply on the relation database such as primary key, composite key, super key, foreign key, secondary key and candidate key.
  • The record can uniquely identified by the primary key such as auto number id.



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