Tag: technology

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Questions Related to technology

Multiple choice technology databases

Examine this procedure: CREATE OR REPLACE PROCEDURE ADD_PLAYER (V_ID IN NUMBER, V_LAST_NAME VARCHER2(30)) IS BEGIN INSERT INTO PLAYER(ID, LAST_NAME) VALUES(V_ID, V_LAST_NAME); COMMIT; END; Why does this command fail when executed?

  1. a) When declaring arguments length is not allowed.

  2. b) When declaring arguments each argument must have a mode specified.

  3. c) When declaring arguments each argument must have a length specified.

  4. d) When declaring a VARCHAR2 argument it must be specified.
Reveal answer Fill a bubble to check yourself
A Correct answer
Full explanation
Multiple choice technology databases

When using a packaged function in a query, what is true?

  1. a) The COMMIT and ROLLBACK commands are allowed in the packaged function.

  2. b) You can not use packaged functions in a query statement.

  3. c) The packaged function cannot execute an INSERT, UPDATE, or DELETE statement against the table that is being queried.

  4. d) The packaged function can execute and INSERT, UPDATE, or DELETE statement against the table that is being queried if it is used in a subquery.

  5. e) The packaged function can execute an INSERT, UPDATEM or DELETE statement against the table that is being queried if the pragma RESTRICT REFERENCE is used.
Reveal answer Fill a bubble to check yourself
C Correct answer
Full explanation
Multiple choice technology databases

All users currently have the INSERT privileges on the PLAYER table. You want only your users to insert into this table using the ADD_PLAYER procedure. Which two actions must you take? (Choose two)

  1. a) GRANT SELECT ON ADD_PLAYER TO PUBLIC;

  2. b) GRANT EXECUTE ON ADD_PLAYER TO PUBLIC;

  3. c) GRANT INSERT ON PLAYER TO PUBLIC;

  4. d) GRANT EXECUTE, INSERT ON ADD_PLAYER TO PUBLIC;

  5. e) REVOKE INSERT ON PLAYER FROM PUBLIC;
Reveal answer Fill a bubble to check yourself
B,E Correct answer
Full explanation
Multiple choice technology databases

Examine this procedure: CREATE OR REPLACE PROCEDURE ADD_PLAYER (V_ID IN NUMBER, V_LAST_NAME VARCHER2(30)) IS BEGIN INSERT INTO PLAYER(ID, LAST_NAME) VALUES(V_ID, V_LAST_NAME); COMMIT; END; Why does this command fail when executed?

  1. a) When declaring arguments length is not allowed.

  2. b) When declaring arguments each argument must have a mode specified.

  3. c) When declaring arguments each argument must have a length specified.

  4. d) When declaring a VARCHAR2 argument it must be specified.
Reveal answer Fill a bubble to check yourself
A Correct answer
Full explanation