Tag: technology

Questions Related to technology

  1. a) VARCHER2.

  2. b) BOOLEAN.

  3. c) OUT.

  4. d) IN.


Correct Option: D
Explanation:

To answer this question, the user needs to have knowledge of different types of arguments in programming.

a) VARCHER2: This is not a type of argument. It is a data type used to store character strings in Oracle database.

b) BOOLEAN: This is not a type of argument that passes a value from a calling environment.

c) OUT: This type of argument passes a value to the calling environment. It is used when a function or procedure needs to return more than one value.

d) IN: This type of argument passes a value from the calling environment to the function or procedure. It is used when a function or procedure needs to receive values from the calling environment.

Therefore, the correct answer is:

The Answer is: D. IN.

  1. Returns error.

  2. Lists your last logins.

  3. Returns your username.

  4. Tells you where you currently are.


Correct Option: C
  1. Compares files, and shows where they differ.

  2. Tells you how many lines, words, and characters there are in a file.

  3. Removes a file

  4. Shows the first part of a file.


Correct Option: B
  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;


Correct Option: B,E
  1. Lets you write data in file.

  2. Lets you change the read, write, and execute permissions on your files

  3. Converts plain text files into postscript for printing

  4. Lets you exchange one-line messages with another user


Correct Option: D
  1. Show disk space available on the system

  2. Show the last few lines of a file

  3. Show who are all logged into the local system

  4. Show error


Correct Option: C