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What is an anomaly in a database?AData writing errorBPerubahan tidak diinginkan dalam struktur dataCKesalahan dalam menjalankan query

Question

What is an anomaly in a database?

  1. A Data writing error
  2. Perubahan tidak diinginkan dalam struktur data
  3. Kesalahan dalam menjalankan query
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Solution

Understanding Anomalies in a Database

An anomaly in a database typically refers to any inconsistency or error that arises due to flaws in the database's design or operation. It can occur in various forms and can impact the reliability of the data stored within the database.

Types of Anomalies

  1. Data Writing Error (A): This type of anomaly happens when incorrect data is recorded in the database. This can occur due to user error or system malfunction, leading to data inaccuracies.

  2. Unwanted Changes in Data Structure (B): This relates to structural anomalies where changes in one part of the database affect other parts unexpectedly, often due to poor normalization.

  3. Query Execution Errors (C): This involves mistakes or failures when executing database queries, which can result in incorrect data retrieval or manipulation.

Final Answer

From the options given, an anomaly in a database best relates to Option A: Data writing error, as it directly refers to an inconsistency or error occurring within the data itself.

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