programming languages Online Quiz - 174

Description: programming languages Online Quiz - 174
Number of Questions: 20
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Tags: programming languages
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Creating a foreign-key constraint between columns of two tables defined with two different datatypes will produce an error.

  1. True

  2. False

Correct Option: A
  1. Place the alias at the beginning of the statement to describe the table.

  2. Place the alias after each column, separated by white space, to describe the column.

  3. Place the alias after each column, separated by a comma, to describe the column

  4. Place the alias at the end of the statement to describe the table.

Correct Option: C

Issuing the DEFINE_EDITOR=”emacs” will produce which outcome?

  1. The emacs editor will become the SQL*Plus default text editor.

  2. The emacs editor will start running immediately.

  3. The emacs editor will no longer be used by SQL*Plus as the default text editor.

  4. The emacs editor will be deleted from the system.

Correct Option: A

Once defined, how long will a variable remain so in SQL*Plus?

  1. Until the database is shut down

  2. Until the instance is shut down

  3. Until the statement completes

  4. Until the session completes

Correct Option: C

Which of the following options will allow you to drop the user david and all objects in the schema that are associated with that user?

  1. DROP USER david all

  2. DROP USER david schema

  3. DROP USER david cascade

  4. DROP USER david cascade schema

Correct Option: C


  1. The user is being validated by the enterprise directory service

  2. The user has unlimited quota on the USERS tablespace.

  3. The user’s quota will never exceed the size of the temporary tablespace.

  4. All options are correct.

Correct Option: B

You are setting up two multiplexed online redo log file groups with three members in each group, how many disks are necessary at minimum?

  1. 3

  2. 0

  3. 1

  4. no disk required

Correct Option: A

What can be said of the following SQL statement? CREATE GLOBAL TEMPORARY TABLE extra_area (startdate DATE, enddate DATE, class CHAR(15)) ON COMMIT DELETE ROWS

  1. It is a session specific table.

  2. It is an invalid SQL statement.

  3. It is only available in Oracle 7

  4. It is a transaction specific table.

Correct Option: D
  1. DBA





  6. All the above

Correct Option: F

Which of the following role properties would be beneficial if you want to grant privileges to a group of specified users to a certain role?

  1. Reduced privilege administration

  2. Selective availability of privileges

  3. Application awareness

  4. Application-specific security

Correct Option: A

A database administrator needs to create a tablespace for an Oracle database. He formulates the following statement: CREATE TABLESPACE frgr DATAFILE ‘/g01/oracle/data/sasa01.dbf’ SIZE 100M EXTENT MANAGEMENT DICTIONARY AUTOALLOCATE DEFAULT STORAGE ( INITIAL 100K NEXT 100K MINEXTENTS 5 MAXEXTENTS 25 PCTINCREASE 0); LOGGING TEMPORARY

  1. By default, tables within the tablespace will not have all its changes written to redo.

  2. It is a locally managed tablespace.

  3. A temporary tablespace has been created.

  4. An error will be produced; the AUTOALLOCATE parameter should be removed

Correct Option: D

Provide a declaration for i that turns this loop into an infinite loop: while( i != i){ }

  1. String i = "abc"

  2. double i = 0.0/0.0

  3. int i = 3/7

  4. int i = 0

Correct Option: B

Is this a legal Java Program? If so, what does it print? \u0070\u0075\u0062\u006c\u0069\u0063\u0020\u0020\u0020\u0020 \u0063\u006c\u0061\u0073\u0073\u0020\u0055\u0067\u006c\u0079 \u007b\u0070\u0075\u0062\u006c\u0069\u0063\u0020\u0020\u0020 \u0020\u0020\u0020\u0020\u0073\u0074\u0061\u0074\u0069\u0063 \u0076\u006f\u0069\u0064\u0020\u006d\u0061\u0069\u006e\u0028 \u0053\u0074\u0072\u0069\u006e\u0067\u005b\u005d\u0020\u0020 \u0020\u0020\u0020\u0020\u0061\u0072\u0067\u0073\u0029\u007b \u0053\u0079\u0073\u0074\u0065\u006d\u002e\u006f\u0075\u0074 \u002e\u0070\u0072\u0069\u006e\u0074\u006c\u006e\u0028\u0020 \u0022\u0048\u0065\u006c\u006c\u006f\u0020\u0077\u0022\u002b \u0022\u006f\u0072\u006c\u0064\u0022\u0029\u003b\u007d\u007d

  1. Its not possible

  2. print some garbage value

  3. compilation error

  4. Hello world

Correct Option: D

What does it print? public class Elementary { public static void main(String[] args) { System.out.println(12345 + 5432l); } }

  1. Compilation error

  2. Runtime error

  3. 17777

  4. 66666

Correct Option: C

What happens when the following code is compiled and run. Select the one correct answer. for(int i = 2; i < 4; i++) for(int j = 2; j < 4; j++) if(i < j) assert i!=j : i;

  1. The class compiles and runs, but does not print anything.

  2. The number 2 gets printed with AssertionError

  3. compile error

  4. The number 3 gets printed with AssertionError

Correct Option: A
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