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Q: Explain what is meant by an update anomaly.?
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What is data anomaly?

Data Anomaly are the logical or structural in database.For example, if we have a multiple instances of same information in a table, it may happen that the data is not consistent after operations like update. This may result in the loss od data integrity.


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What are anomalies in DBMS and their types?

Tables that have redundant data have problems known as anomalies.So data redundancy is a cause of an anomaly. Redundancy is the duplicaion of the data. There are 3 types of anomalies. Insert Anomaly:When you insert a record without having it stored on the related record. Delete Anomaly:When you delete some information and lose valuable related information at the same time. Update Anomaly: Any change made to your data will require you to scan all records to make the changes multiple time.


What part of speech is anomaly?

Anomaly is a noun.


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What is the synonyms of the anomaly?

irregularity is the synonyms of anomaly


What is a database system and write atleast five features of good database system?

Database is a collection of interrelated data. Database management system is collection of data and a set of programs to access and modify that data. There is a technique called normalization used to make good database design. Normalization helps to reduce redundancy from the data. There are different normal forms, each normal form is used to make database in standard form that is free of problems. If database is not designed well, it exhibits following problems called Update Anomaly. there different types of anomaly exists and they are as follows: Insertion anomaly: It is difficult to insert required data as not availability of other data. Deletion anomaly: We can not delete unnecessary data cause as we delete those data necessary data will also be deleted. Update Anomaly: We can not update attribute in a table because there may different values for the same attribute in same table. There are several advantages of DBMS, and they are as follows: - data can be retrieved easily and quickly, - easy to impose integrity constraints, - no redundancy, - easily to maintain ACID property of transaction - easily to update data.


Sentence with anomaly?

Anomaly means, essentially, irregularity. An example sentence would be: The anomaly of the necklace, is what she liked about it.