Cross word puzzle

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Across
  1. 2. is the process of any message in order of protect from reading by anyone.
  2. 4. which doesn't support goto statement.
  3. 6. is the process of analysing the given relation schemas according to their functional dependencies.
  4. 7. is use the commands like create ,alter,drop.
Down
  1. 1. which maintaining the accuracy and completeness of data.
  2. 3. is the subsystem of jvm which loads class file.
  3. 5. is the instance of program running in a computer