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What do you mean by database application on the computer?

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What do you mean by database application on the computer? The database application provides the database tools to manage the data in the model of relational database. The relational database model application includes the different types of option and applies some query processes on the record of the database file and their attributes values in the table database. The query is performed by the query processor on the record using the key attributes on the relational database model. Database application included the different types of parts that process the data into the database file, where the user mostly uses the relational database model to process the text data in the table format of database file which included the record, attributes and query processor to apply the commands on the record to process the values of the attributes on the records of the relational database file. The user get the solution of the output data using the database programming to get the values processed by t
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What are the components of data model in [DBMS] Relational Database Management System?

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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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