Which of the following factors concerning potential bias in the presentation of output are correct? (Select all that apply)

Which of the following options represents examples of integrity constraints in a database? (select only one)  

A 35-year-old kidney transplant client comes to the clinic exhibiting new skin lesions. The diagnosis is Kaposi sarcoma (KS). The nurse caring for this client recognizes that this is what type of KS?

The following PL/SQL code correctly declares two variables, last_names_tab and first_names_tab, using the user-defined type NAME_TYPE. DECLARE TYPE NAME_TYPE IS TABLE OF VARCHAR2(50) INDEX BY PLS_INTEGER; last_names_tab    NAME_TYPE;first_names_tab   NAME_TYPE;

Which constraint(s) can be defined at the table level?

The following PL/SQL block will correctly return the last name of the employee whose employee id is 100. True or False? DECLARE     v_last_name employees.last_name%TYPE;     employee_id employees.employee_id%TYPE := 100; BEGIN     SELECT last_name INTO v_last_name     FROM employees     WHERE employee_id = employee_id; END;

Why does the following PL/SQL block fail to execute successfully? DECLARE  v_name1 VARCHAR2(20);BEGIN   DECLARE v_name2 VARCHAR2(20);   BEGIN         DBMS_OUTPUT.PUT_LINE(v_name1);   END;   DBMS_OUTPUT.PUT_LINE(v_name2);END;

Which of the following best describes the role of a wireframe in user interface (UI) design?

What is the default exception block used to catch all unhandled exceptions?

What is the parameter mode for p_name in the query_demo procedure in the following PL/SQL block? DECLARE  p_name  persons.name%TYPE;    p_sal   persons.salary%TYPE;BEGIN  query_demo(178, p_name, p_sal);  DBMS_OUTPUT.PUT_LINE(‘Name: ‘ || p_name);  DBMS_OUTPUT.PUT_LINE(‘Salary: ‘ || p_sal);END;