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Code the correct SQL statements to change the Emp_LastName from Smith to Thomas for the Emp_ID 5432 Code the correct SQL statements to COUNT all

  1. Code the correct SQL statements to change the Emp_LastName from "Smith" to "Thomas" for the Emp_ID 5432
  2. Code the correct SQL statements to COUNT all of the employees in department 12345
  3. Code the correct SQL statements to drop the column Emp_FirstName from the EMPLOYEE table

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