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Which among following SQL commands is used to add a row

  • ADD
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1. The logical structure with one to many relationships is a

  • network
  • tree
  • chain
  • relational

2. The master list of an indexed file

  • is sorted in ascending order
  • contains only a list of keys and record numbers
  • has a number assigned to each record
  • none of above

3. Modify operation is likely to be done after

  • Delete
  • Lookup
  • Indexing
  • Insertion

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

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

5. 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
Read more from - Database Question Answers - Chapter 1
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