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Which among following SQL commands is used to add a row

  • ADD
Similar Questions :

1. 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

2. Fragmentation of a file system

  • Can always be prevented
  • occurs only is file is not used properly
  • Can be temporarily removed by compaction
  • None of above

3. Embedded pointer provides

  • a secondary access path
  • a physical record key
  • an inverted index
  • all of above

4. Network structure

  • is a physical representation of data
  • is conceptually simple
  • allows many to many relationships
  • none of above

5. Physical location of a record in database is determined with the help of

  • B tree file
  • Indexed file
  • Hashed file
  • sequential file
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