Which of the following are insertion anomalies caused by redundancies in the following table? Inserting a new record without employee name (eName). Inserting a new employee who is not assigned to any hotel. Inserting a new record with NIN 1135 and eName John Smith. A) All three B) 1 and 2 C) 1 and 3 D) 2 and 3

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
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Which of the following are insertion anomalies caused by redundancies in the following table?

  1. Inserting a new record without employee name (eName).
  2. Inserting a new employee who is not assigned to any hotel.
  3. Inserting a new record with NIN 1135 and eName John Smith.

A) All three

B) 1 and 2

C) 1 and 3

D) 2 and 3

NIN contractNo | hours eName
hNo hLoc
1135 | C1024
16
Smith J
H25 East Kilbride
1057 C1024
24
Hocine D H25
East Kilbride
1068 | C1025
White T
Glasgow
Glasgow
28
Н4
1135 | C1025
15
Smith J
H4
Transcribed Image Text:NIN contractNo | hours eName hNo hLoc 1135 | C1024 16 Smith J H25 East Kilbride 1057 C1024 24 Hocine D H25 East Kilbride 1068 | C1025 White T Glasgow Glasgow 28 Н4 1135 | C1025 15 Smith J H4
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