Already have an account? Get multiple benefits of using own account!
Login in your account..!
Remember me
Don't have an account? Create your account in less than a minutes,
Forgot password? how can I recover my password now!
Enter right registered email to receive password!
What are the disadvantages of file-processing system?
Ans: The Disadvantages of File-Processing System
a. Data redundancy and inconsistency - Data redundancy means not necessary duplication of data. In file processing systems, the information might be duplicated in various places (files) because of the different structure. This duplicity leads to higher storage access cost. Additionally, it may lead to data inconsistency, means the several copies of similar
b. Difficulty in accessing data - The conventional file-processing environments does not permit required data to be retrieved in convenient and well-organized manner
c. Data isolation - As data are scattered in several files and may be in dissimilar formats, writing new program to retrieve the suitable data is difficult.
d. Security problem - In file processing system. Enforcing security constraints is hard.
Types of Data fragmentation
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
what benefit can a company gain by managing its own infrasture and services
Determine the Strong and Weak Entity Based on the method of foreign key, there might be arise a situation when we have to relate an entity having a primary key of its own and a
How can you terminate the MySQL Server? Typing the following in Command prompt will shut down the server completely as root user % mysqladmin -u root -p shutdown
Log based recovery: Let us first describe the term transaction log in the context of DBMS. A transaction log is a record in DBMS that remains track of all the transactions of a dat
Briefly explain each of the following database terms. Use no more than 2-3 lines for each term. 1. DBMS 2. Update Anomaly 3. Alias (referring to tables in SQL queries)
A Distributed Transaction Let us demonstrate the concept of a distributed transaction by considering a banking system having of three branches located in 3 different cities. Ev
Using a database design approach of your choice, produce a logical design for Pharma. 1) Your answer must consist of ONE the following: An entity-relationship (ER) diagra
Create centralized relational database using bottom up method. (a) Recognize a single un-normalized relation for the above scenario. (b) Recognize the primary key for
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!
whatsapp: +1-415-670-9521
Phone: +1-415-670-9521
Email: [email protected]
All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd