'SELECT * FROM USER WHERE USER_LOGIN=:login and USER_PASSWORD=:password');User::addSqlQuery('USER_BY_ID','SELECT * FROM USER WHERE USER_ID=:user_id');User::addSqlQuery('USER_UPDATE',"UPDATE USER SET USER_LOGIN=:login, USER_EMAIL=:email, USER_LASTNAME=:lastname, USER_FIRSTNAME=:firstname WHERE USER_ID=:id");User::addSqlQuery('USER_DELETE',"DELETE FROM USER WHERE USER_ID=:id");User::addSqlQuery('USER_CREATE',"INSERT INTO USER (USER_ID, USER_LOGIN, USER_EMAIL, USER_ROLE, USER_PASSWORD, USER_FIRSTNAME, USER_LASTNAME) VALUES (NULL, :login, :email, :role, :password, :firstname, :lastname)");