Question: can someone help! This is PL Create a trigger named Lab16Trigger2 If the employee_copy table has less than 20 rows, do not allow a delete

can someone help! This is PL Create a trigger named Lab16Trigger2 If the employee_copy table has less than 20 rows, do not allow a delete on the employee_copy table to take place. When you cause this trigger to execute, you should receive the following error. Notice that this is a custom error of your making. SQL Error: ORA-20101: At least 20 rows in employee_copy table

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