• Insertion anomalies– We tried to

• Insertion anomalies
– We tried to insert data in a record that does not exist at
all.
• Deletion anomalies
– We tried to delete a record, but parts of it was left
undeleted because of unawareness, the data is also
saved somewhere else.
• Modification anomalies
– If data items are scattered and are not linked to each
other properly, then it could lead to strange situations

ผลลัพธ์ (อังกฤษ) 3:

Education Insertion anomalies
- We tried to insert data in a record that does not exist at
.
-
all Deletion anomalies - We tried. To delete a record but parts, of it was left
undeleted because, of unawareness the data is also
saved somewhere else.
* Modification anomalies
- If data items are scattered and are not linked to each
other properly then it, could lead to strange. Situations.