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 three data anomalies that are similarly to take place as a result of data redundancy? Can data redundancy be completely eliminated in database approach? Why or why not?
Ans: The most common anomalies considered when data redundancy exists are:
Update anomalies, addition anomalies, and deletion anomalies. All these can simply be avoided through data normalization. Data redundancy generates data integrity problems, caused by the fact that data entry failed to conform to the rule that all copies of redundant data should be similar. The data redundancy cannot be completely removed from the database, but there should be controlled redundancy. Occasionally redundancy is allowed to overcome the problem of excessive join operations for computing queries.
Equi Join: A join in which the joining condition is based on equality among values in the common columns. Common columns show (redundantly) in the result table. Let us Consider th
er diagtram for icici
folding method and mid square method using visual basic
Control as Concurrent Tasks The expression control as simultaneous task means applying control for those events of object which can happen simultaneously. An object can be imp
MySQL Database Merge Project Description: I have two databases, I need merge the data of one database into another Work to be done online right now. Payment can be done
Benefits of heap files 1. This is a easy file Organisation method. 2. Insertion is somehow capable. 3. Good for bulk-loading data into a table. 4. Best if file
#question.ERD of any car
What is Information System?
why are older data base model are being replaced by new data model
List two restrictions that are applied on the modification (updation, insertion or deletion) of base tables through view. Ans: The two restrictions are: 1. If a view
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: +91-977-207-8620
Phone: +91-977-207-8620
Email: [email protected]
All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd