Meaning of the sql query below PLEASE I NEED HELP AM DOING AN INVESTIGATION ON A TRANSATION AND WE SAW THIS QUERY ON A LOG

select ? , int_flag , ref_key , sto_pay_ind from account where bra_code = ? and cus_num = ? and cur_code = ? and led_code = ? and sub_acct_code = ?

that ? means the values are coming from some where else

example:

$database = 'abc'

select ?
will become
select 'abc'

Good morning house please an any one assist some service account were used on the data base to commit fraud

please can any one help me with the script to run

that i can use to spool out all service account and when last they logged into the database.

Is this related to Microsoft sql server database?