Question
With the help of a suitable example, discuss the insertion, deletion and updation anomalies that can occur in a database. Briefly discuss the mechanism to remove such anomalies.
Answer :
Word Count : 285
Insertion, deletion, and updation anomalies are issues that arise in poorly structured relational databases, particularly when data is stored in a single table without normalization. Insertion Anomaly occurs when certain data cannot be inserted into the database without the presence of other data. For example, consider a table: STUDENT\_COURSE (StudentID, StudentName, CourseID, CourseName, Instructor) If a new course is to be added but no student has enrolled yet, we cannot insert _______ ____ ____ ___ _______ __________ _________ __________ _________ __________ ____ ____.
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Insertion, deletion, and updation anomalies are issues that arise in poorly structured relational databases, particularly when data is stored in a single table without normalization. Insertion Anomaly occurs when certain data cannot be inserted into the database without the presence of other data. For example, consider a table: STUDENT\_COURSE (StudentID, StudentName, CourseID, CourseName, Instructor) If a new course is to be added but no student has enrolled yet, we cannot insert _______ ____ ____ ___ _______ __________ _________ __________ _________ __________ ____ ____.
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