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Normalization is a systematic approach in relational database design to organize data into multiple related tables. The primary objective is to reduce data redundancy and eliminate undesirable characteristics like update anomalies, insertion anomalies, and deletion anomalies. By splitting a database into smaller, well-structured tables, normalization ensures that each piece of data is stored only once, enhancing data integrity and consistency. The process involves dividing attributes into separate tables based on their functional dependencies, proceeding through normal forms like 1NF, 2NF, 3NF, and BCNF. For example, in a student database, separating the student’s personal details from their course details helps avoid redundancy and maintain accuracy. Why Other Options Are Incorrect :
John, Emily, and Michael can each complete a task in 15 days, 20 days, and 18 days, respectively. They decide to work on the task alternately, starting ...
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Vijay can do a piece of work in 34 days and Sanjay can do the same work in 51 days. If Vijay works for 5 days and got Rs. 1650, and the remaining work w...
A, B, and C are hired to complete a task. A and B together can finish the work in 12 days, B and C together in 15 days, and A and C together in 20 days....
'Alex,' 'Ben,' and 'Charlie' can individually complete a task in 40, 60, and 100 days, respectively. They decide to work together, but there's a unique ...
Anil and Ashish receive Rs.2000 for work of 10 days. If Anil is 4 times efficient than Ashish, then find the daily wage received by Ashish.
A can do a work in 12 days and B in 16 days. If they work on it together for 3 days then in how many days the remaining work will be completed by B?
Ashish and Anil can do a piece of work in 15 days and 20 days respectively. Ashish completed 60% of the work. Find the time taken by Anil to complete th...
A and B together can do a work in 6 days. If A can alone do the same work in 9 days, then in how many days B alone will do the same work?
A and B together can do a work in 10 days, B and C can do together in 5 days while C and A together can do in 12 days. In how many days C alone will com...