For each scenario listed, identify which locking scheme should be applied: a. Modification is to be made to a table, such as Create, Alter or Dropping the table. b. An order from a particular client involves a number of line items. The database administrator wishes to verify a particular line item in the order manually before processing the order. c. A human error caused a faulty entry for salary rise applicable to all employees in a firm’s database. So the database administrator needs to rollback the entire database to undo the incorrect data updates. d. An account number is to be deleted from a database.
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