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Which normal form is considered adequate for normal relational database design

  • 2NF
  • 5NF
  • 3NF
  • 4NF

Answer: Option C

Similar Questions :

1. Modify operation is likely to be done after

  • Delete
  • Lookup
  • Indexing
  • Insertion

Answer: Option B

2. The command that adds a new field to an active database is

  • MODIFY LABEL
  • MODIFY COMMAND
  • MODIFY STRUCTURE
  • MODIFY REPORT

Answer: Option C

3. Data dictionary is a special file that contains

  • the names of all fields in all files
  • the data types of all fields of all files
  • Both of above
  • None of above

Answer: Option B

4. Attribute of one table matching to the primary key of other table, is called as

  • foreign key
  • secondary key
  • candidate key
  • composite key

Answer: Option A

5. Natural join can be related with

  • Function dependency
  • B tree
  • Domain calculus
  • Relational algebric operators

Answer: Option D

Read more from - Database Question Answers - Chapter 1