Which normal form ensures that there are no repeating groups in a table?

  • Boyce-Codd Normal Form (BCNF)
  • First Normal Form (1NF)
  • Second Normal Form (2NF)
  • Third Normal Form (3NF)
The First Normal Form (1NF) ensures that there are no repeating groups in a table by ensuring that each column contains atomic values, and each column has a unique name. This is the fundamental level of normalization in DB2. 
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