$1.$ Connect to SYS user as DBA.

$2.$ Create a password complexity function $($named as cit$516$password$)$ to enforce the following requirements so that the password :

$$ at least six $(6)$ characters long

$$ different from the user name

$$ has at least one alpha, one numeric, and one punctuation mark character

Punctuation list: $!$#$$\%$&$()*+,-/$:;$<=>?\_$

$$ not simple or obvious, as welcome, account, oracle, database, or user.

$$ different from the previous password by at least $3$ characters

Please note the exact spelling on the function name is REQIRED. Please also test your function.

$3.$ Create a profile named cit$516$prof with the following specifications. Please note the exact spelling on the profile is REQIRED.

Number of days the password is valid before it is aged out. $90$ days

Number of days ahead of expiration the user is warned about the password expiration. $15$ day

Number of days before a password can be reused. $30$ days

Number of times a password can be reused. UNLIMITED

Number of failed login tries allowed before the account is locked. $3$

Number of days an account is locked due to failed login tries $1$ days

PASSWORD$\_$VERIFY$\_$FUNCTION cit$516$password