1. , 1965 .
  2. , 1970 1973 .

 

mysql> select e_id, birth_date
    -> from employee_per
    -> where birth_date <= '1964-12-31';
mysql> select e_id, birth_date
    -> from employee_per
    -> where birth_date >= '1970-01-01'
    -> and birth_date <= '1972-12-31';

. 9.5.

 

      MySQL
. 9.5.

, , Class diagram - - , - .





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