Tag: databases

Questions Related to databases

Which of the follwoing Statement will be used to produce separate analyses of grouped observations in Means procedure

  1. VAR

  2. CLASS

  3. BY

  4. LIMIT


Correct Option: B
  1. PROC COPY will be used to copy files from one library to another library

  2. PROC COPY copies columns from one dataset to another

  3. Proc Copy copies oberservations from one library to another

  4. All of the above


Correct Option: A
  1. INSERT INTO r4r_team (id, username, exp) VALUES (1, ‘r4r01’, ‘2’);

  2. INSERT INTO r4r_team VALUES (1, ‘r4r01’, ‘2’);

  3. INSERT INTO r4r_team (id, username, exp) VALUE (1, ‘r4r01’, ‘2’);

  4. INSERT INTO table r4r_team (id, username, exp) VALUE (1, ‘r4r01’, ‘2’);


Correct Option: A,B
  1. Used to select username,exp, salary from r4r_team which is decreasing order by username.

  2. Used to select username,exp, salary from r4r_team which is increasing order by username.

  3. Used to select username,exp, salary from r4r_team which is decreasing order by exp.

  4. none


Correct Option: A

Which is true for AND & OR

  1. These are Operators .Which are used to filter records based on more than one conditions.

  2. These Operators are used to join two tables.

  3. Never used in SQL

  4. None


Correct Option: A
  1. BETWEEN -->>Used for range with in values

  2. LIKE -->>Used for Search a pattern

  3. IN -->>return east one of the columns in given set of values

  4. None


Correct Option: A,B,C
  1. true.

  2. false.

  3. both are not used into SQL.

  4. Both are used assembly languages only.


Correct Option: A
  1. all are used

  2. only >>> not used

  3. only <>

  4. None


Correct Option: B
  1. UK + Not null

  2. UK

  3. UK + null

  4. UKKKK


Correct Option: A