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What do you understand by the documentation type of application software on the computer system?

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What do you understand by the documentation type of application software on the computer system? Document file application included the text data options to edit the text data in the pages on the application to make a change into the entered text data. The user can type text data using the keyboard input device because the keyboard input device is used to send the data into the document file application software and it allows the keyboard input device to take input data and some mouse input device to make an editing work on the document file application software. Document application provides the text data file to the user when the user gives a command to generate the new file then the file will be generated from the application software. The user can use the file when the user wants to edit on the file through the application software to apply some editing operations such as:- the text data can be edited from the editing options available on the application software to perform in form
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What is meant by "Schema" in Database management system?

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What do you mean by "Schema" in Database management system?

What is schema?

The schema is basically the structure of the database to show in a logical and physical type of database structure in database management system. The schema is necessary to use in the database technology to understand the structure of database. Where in the logical level the schema express their logical terms in the structure of schema and in the physical level show their connectivity of the database and other network or conjunction of the computer system in the physical level. So, there are two types of level of schema to define the structure of the database in a different level or categories.

Schema in database

In this post I have to discuss about the introduction of Schema of database. Here are the points about schema in database given below.

  • The schema is a skeleton structure of database.
  • Schema shows overall structure of data items.
  • It also shows overall data and records and their relations in the form of skeleton structure which are stored in a database.
  • The schema describes the structure of the whole database.
  • It is also defines the characteristics of all records.
  • It also describes the future required fields and characteristics of the records.
  • It is a time consuming structure to create for database.
  • It is better for design a database structure and at the starting it is very careful to create the structure of database.
  • When creating the structure you can necessary to neglect the modification of future fields or attributes. The modification of fields or attributes in the database takes it later to create.

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