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Which among following contains a complete record of all activity that affected the contents of a database during a creation period of time

  • report writer
  • query language
  • DML
  • transaction log

Answer: Option D

Similar Questions :

1. Transaction processing was made possible by the development of

  • direct access storage
  • magnetic tape
  • cash register input
  • minicomputers

Answer: Option A

2. The logical structure with one to many relationships is a

  • network
  • tree
  • chain
  • relational

Answer: Option B

3. Modify operation is likely to be done after

  • Delete
  • Lookup
  • Indexing
  • Insertion

Answer: Option B

4. 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

5. Secondary index can be related with

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

Answer: Option B

Read more from - Database Question Answers - Chapter 1
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