The file based system in dbms, Database Management System

Assignment Help:

The File Based System

File based systems are an early attempt to computerise the manual filing system. For example, a manual file can be set up to hold all the correspondence relating to an exacting matter as a project, product, task, employee or client. In an organisation there could be a lot of such files which may be stored and labelled. The same could be done at homes where file relating to tax payments, bank statements, receipts, etc., could be maintained.

What do we do to search information from these files? For finding of information, the entries could be searched in sequence. Alternatively, an indexing system could be used to situate the information.

The manual filing system works well when the amount of items to be stored is small. It even works fairly well when the number of items stored is fairly large and they are only needed to be retrieved and stored. Though, a manual file system crashes when processing of information and cross-referencing in the files is carried out. For instance, in a university a number of students are enrolled who have the options of doing many courses. The university may have divide files for the personal details of students, fees paid by students, the number and details of the courses taught, the number and details of each faculty member in many departments. Consider the effort to answer the following queries.

  • Annual fees given by the students of Computer science department.
  • Number of students requiring transport facility from a specific area.
  • This year's turnover of students as compared to last year.
  • Number of students opting for dissimilar courses from dissimilar departments.

The solutions to all the questions above would be time consuming in the file based system and cumbersome.

 


Related Discussions:- The file based system in dbms

What is sql?, What Is Sql?  Structured Query Language (SQL) is a standa...

What Is Sql?  Structured Query Language (SQL) is a standard query language. It is usually used with all relational databases for data manipulation and definition. All the re

Write the syntax of creating an index, Write the syntax of creating an INDE...

Write the syntax of creating an INDEX ? Syntax of Creating an Index: CREATE [BITMAP] [UNIQUE] INDEX ON ( [, ] . . .);

Creating views with replace option, Creating views with Replace option : Th...

Creating views with Replace option : This option is used to alter the definition of the view without recreating and dropping it or regranting object privileges previously granted o

Database application development, The database application project (DAP) fo...

The database application project (DAP) for this assignment consists of the creation of a fully functional Microsoft Access database application for a real client. I recommend you s

Describe the strategies adopted by the ministry of ict, Question 1: (a)...

Question 1: (a) Planning and management of ICT projects have a very poor record in developing countries. Briefly explain five critical success factors for correct implementa

Create a database of a motor bike racing club, You have a friend that runs ...

You have a friend that runs a motor bike club that holds racing events at various venues on weekends, on a monthly basis. Some venues are private race tracks and some are dirt trac

What is a foreign key, What is a foreign key, and what is it used for? ...

What is a foreign key, and what is it used for? A foreign key is used to establish relationships between relations in the relational model. Technically, a foreign key is a colu

Remove all transitive dependencies - dependency diagram, 1. Use the Invoice...

1. Use the Invoice table structure shown below to answer the following questions: a)  Draw the dependency diagram and identify the primary key and all dependencies, including al

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd