Tag Archives: Question of the Week

Answer – Objective Question (How many Null values in an unique constraint can be inserted in SQL Server)

By | April 8, 2014

Question:- How many NULL value allowed in a column in which Unique constraint is defined in SQL Server? Options:- a) 1 b) 2 c) More than 1 Answer :- Option a) 1 In SQL Server, we can Insert only one null value in a column where we have defined the Unique Constraint. For Example , suppose… Read More »

Answer – Objective Question (In which database temporary tables are created in SQL Server)

By | January 11, 2014

Question :- In which database temporary tables are created in SQL Server? 1) User database (where temporary table are defined)     2) Master database     3) TempDB (Correct Answer) 4) Model Database 5) None of the above Answer  Thanks to all who attempted this question. 84% people gives the correct answer:-) Correct answer… Read More »

Answer -Question of the Week – 2/1/2014 – Question 1

By | January 10, 2014

Question :- Suppose we have to design a database in which employees can work on multiple projects.There are many designation defined in the organization to which each employee can belongs.   For example, Software engineer, Team lead, Project Manager, Project lead, QC engineer, QC Lead, QC manager etc. An employee can belong to one designation… Read More »

Answer – Objective Question (Which table is called Heap table in SQL Server)

By | January 6, 2014

Question:-    Which table is called Heap table in SQL Server. 1) Table without any indexes 2) Table without any clustered index (Correct Answer) 3) Table without any non clustered Index 4) None of the above Many people attempted this question and mostly gives the correct answer. The correct answer is option 2 ( Table… Read More »

Question of the Week – 2/1/2014 – Question 1

By | January 2, 2014

Question :- Suppose we have to design a database in which employees can work on multiple projects.There are many designation defined in the organization to which each employee can belongs.  For example, Software engineer, Team lead, Project Manager, Project lead, QC engineer, QC Lead, QC manager etc. An employee can belong to one designation at… Read More »

Answer – Objective Question (Number of non clustered indexes possible on a Table in SQL Server 2008R2)

By | January 1, 2014

Question :-  How many non clustered indexes are possible in a table in SQL Server 2008R2 1)  1 2) 249 3) 999  (Correct answer) 4) None of these Explanation  21 people gives answer to this Question and most of them is correct. Correct answer is 999 (Option 4). In SQL Server 2008 onwards, we can… Read More »

Answer – Question of the Week – 28/12/2013 – Question 2

By | January 1, 2014

Question:- Suppose we have a table named tbl_charactername have only one column say “charactername”. It contains 10 rows. First 5 rows contains “Vivek Johari” and the next 5 rows contains “Abhinav Golwalkar” tbl_charactername ——————— Vivek Johari Vivek Johari Vivek Johari Vivek Johari Vivek Johari Abhinav Golwalkar Abhinav Golwalkar Abhinav Golwalkar Abhinav Golwalkar Abhinav Golwalkar Now we… Read More »