Tag: technology

Quizzes (307) Questions (36705)

Questions Related to technology

Multiple choice technology databases

Examine this procedure: CREATE OR REPLACE PROCEDURE UPD_BAT_STAT (V_ID IN NUMBER DEFAULT 10, V_AB IN NUMBER DEFAULT 4) IS BEGIN UPDATE PLAYER_BAT_STAT SET AT_BATS = AT_BATS + V_AB WHERE PLAYER_ID = V_ID; COMMIT; END; Which two statements will successfully invoke this procedure in SQL *Plus? (Choose two)

  1. a) EXECUTE UPD_BAT_STAT;

  2. b) EXECUTE UPD_BAT_STAT(V_AB=>10, V_ID=>31);

  3. c) EXECUTE UPD_BAT_STAT(31, 'FOUR', 'TWO');

  4. d) UPD_BAT_STAT(V_AB=>10, V_ID=>31);

  5. e) RUN UPD_BAT_STAT;
Reveal answer Fill a bubble to check yourself
A,B Correct answer
Full explanation
Multiple choice technology databases
  1. Examine this code: CREATE OR REPLACE PACKAGE comm_package IS g_comm NUMBER := 10; PROCEDURE reset_comm(p_comm IN NUMBER); END comm_package; / User Jones executes the following code at 9:01am: EXECUTE comm_package.g_comm := 15 User Smith executes the following code at 9:05am: EXECUTE comm_paclage.g_comm := 20 Which statement is true?

  1. a) g_comm has a value of 15 at 9:06am for Smith.

  2. b) g_comm has a value of 15 at 9:06am for Jones.

  3. c) g_comm has a value of 20 at 9:06am for both Jones and Smith.

  4. d) g_comm has a value of 15 at 9:03 am for both Jones and Smith.

  5. e) g_comm has a value of 10 at 9:06am for both Jones and Smith.
Reveal answer Fill a bubble to check yourself
B Correct answer
Full explanation
Multiple choice technology databases

Which two describe a stored procedure? (Choose two)

  1. a) A stored procedure is typically written in SQL.

  2. b) A stored procedure is a named PL/SQL block that can accept parameters.

  3. c) A stored procedure is a type of PL/SQL subprogram that performs an action.

  4. d) A stored procedure has three parts: the specification, the body, and the exception handler part.

  5. e) The executable section of a stored procedure contains statements that assigns values, control execution, and return values to the calling environment.
Reveal answer Fill a bubble to check yourself
B,C Correct answer
Full explanation
Multiple choice technology databases

Given a function CALCTAX : CREATE OR REPLACE FUNCTION calc tax (sal NUMBER) RETURN NUMBER IS BEGIN RETURN (sal * 0.05); END; If you want to run the above function from the SQL *Plus prompt, which statement is true?

  1. a) You need to execute the command CALCTAX(1000); .

  2. b) You need to execute the command EXECUTE FUNCTION calc tax; .

  3. c) You need to create a SQL *Plus environment variable X and issue the command :X := CALCTAX(1000); .

  4. d) You need to create a SQL *Plus environment variable X and issue the command EXECUTE :X := CALCTAX;

  5. e) You need to create a SQL *Plus environment variable X and issue the command EXECUTE :X := CALCTAX(1000);
Reveal answer Fill a bubble to check yourself
E Correct answer
Full explanation
Multiple choice technology databases

Examine this code: CREATE OR REPLACE PRODECURE add_dept (p_dept_name VARCHAR2 DEFAULT 'placeholder', p_location VARCHAR2 DEFAULT 'Boston') IS BEGIN INSERT INTO departments VALUES (dept_id_seq.NEXTVAL, p_dept_name, p_location); END add_dept; / Which three are valid calls to the add_dep procedure ? (Choose three)

  1. a) add_dept;

  2. b) add_dept( .Accounting .);

  3. c) add_dept(, .New York .);

  4. d) add_dept(p_location=> .New York .);
Reveal answer Fill a bubble to check yourself
A,B,D Correct answer
Full explanation
Multiple choice technology databases

The PROCEDURE_ADD_PRODUCT is defined within a package specifications as follows: PROCEDURE_ADD_PRODUCT (P_PRODNO NUMBER,P_PRODNAME VARCHER2); Which procedure declaration can’t be added to package specifications?

  1. a) PROCEDURE add_product (p_order_date DATE);

  2. b) PROCEDURE add_product (p_name VARCHER2, P_ORDERED DATE);

  3. c) PROCEDURE add_product (p_prodname VARCHER2, P_PRISE NUMBER);

  4. d) PROCEDURE add_product (p_prize NUMBER, P_DESCRIPTION VARCHER2);
Reveal answer Fill a bubble to check yourself
D Correct answer
Full explanation