Question : normalization database
Answered by : syed-nayeem-ridwan
{"tags":[{"tag":"textarea","content":"In relational dbms, it is used to\n- Reduce redundancy \/ duplications\n- Increase speed of transactions\n- Improves integrity\n- mostly used 1NF, 2NF, 3NF\n\n1 NF:\n- First normal form\n- Each cell contains single value\n- Each row is unique\n\n2NF:\n- Second normal form\n- Database must be in 1NF\n- Separata table for values that occur frequently in multiple rows for same column\n- Make sure to connect the separate table with a foreign key\n\n3NF:\n- Third normal form\n- Database must be in 2NF\n- If a column in a table does not depend on that table's primary key, \n\tthen separate that unrelated column\n- Make sure to connect the separate table with a foreign key","code_language":"whatever"}]}
Source : | Last Update : Sun, 26 Feb 23
Question : normalisation in dbms
Answered by : disturbed-dogfish-uebpf7bdixro
The process of organizing data to avoid any duplication of data and redundancy is known as Normalization.
Source : | Last Update : Sat, 30 Jul 22
Question : normalization in dbms
Answered by : ugly-unicorn-e9fluc41ddua
{"tags":[{"tag":"p","content":"normalization in dbms"},{"tag":"p","content":"<br>"}]}
Source : | Last Update : Thu, 30 Mar 23