SQL Server Interview Questions
Questions Answers Views Company eMail

how to give input dynamically to a insert statement in sqlserver


3 5438

1. What are the grouping function in SQL ? 2. If base table of a view deleted means, what will happen while we querying on view ? will give any error ? 3. Difference between DROP, DELETE, TRUNCATE table ? 4. What is constraints and types ? 5. What is max size of nchar & nvarchar ? 6. Define ROLLBACK, COMMIT, SAVE POINT 7. How non-clustered better ? or rank the Clustered, Non-Clustered and Table scan in performance wise 8. Select 10 rows from a table ? 9. Define DML, DDL, DCL, DTL commands ? 10. What is mean by NULL value ? NULL means "" or 0 or undefined ? 11. Default constraints ? 12. Can we have more then primary Key in table ? 13. Type of integrity ? Entity, Referential, Domain ?

Perot Systems,

10 10782

What is the differecne between equi-join and inner-join and natural join..Is there any difference or all are same?


8 44149

How can your resolve deadlocks?

IBM, Iron Mountain, IMS, NuWare,

4 10696



1 3580

i want to join two queries....and i want to run them as one after another that is want output of first query then second , then again output of first query then second and so on...

2 2990

1.What is the deferece between DBMS & RDBMS? 2.How can you trouble shoot? If u will get error while installing sql server? 3.How can u trouble shoot slow running query? 4.how can u trouble log shipping errors? 5.why do we use merge replication instead of T.log replication?


7 6889

write query for fourth maximum salary from employee table

Mind Tree, SP Software,

14 14211

What is the difference between temp table and table variable?


8 20712

what are three different authentications to connect linked servers?


1 3201

What is deadlock and how to avoid the deadlocks.

TCS, Wipro,

3 7656

I have a huge amount of data which is displayed in a report. The data is viewed every day. Every day the data is displayed in 30 secs but suddenly today it is giving an timeout message today. Data has not been changed. The situation is same as yesterday. What might be the reason??? Please Answer.


4 3911

1.Describe way(s) to tune the SQL table in order to optimize performance. 2. Explain SQL Injection and how can you prevent them?

Techno Solutions,

1 2849

I have a website that allows customers to browse and place orders for certain products. I have 2 tables; Customers and Orders. The Customers table holds the customer records and the Orders table holds the orders placed by the customer. Both tables are tied based on the field Cust_ID. Example of the data is shown below: Cust_ID Cust_Name Cust_ID Product Amount Order_Date 1001 John Tan 1001 P-5211 $120.00 2/13/2006 1002 Michael Wong 1001 K-1428 $88.90 1/11/2006 1003 Mary Cheong 1003 C-0923 $82.50 1/27/2006 1004 Ahmad Suffian 1003 K-1428 $88.90 2/2/2006 Write a single SQL statement that extracts all purchase records with the following criteria: 1. Customer names starting with “M” only. 2. Orders placed within the current month only. 3. Amount does not exceed $100.00 The list must be sorted by order date with the latest order showing on top.

Techno Solutions,

3 3059

Let’s say the table in the database is named as TBL_Register. The fields in this table include: 1. User_Name, 2. User_Telephone, 3. Register_Date The field Register_Date stores the current date and time of the registration. Write the SQL statement that inserts the data into the table.

Techno Solutions,

2 2704

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Un-Answered Questions { SQL Server }

how can you attach more than 20 ldf files in sql server


explain the difference between oracle- sql and sql server sql ? if both are same y we r using 2 sw.s?


what is the Ticketing tool used in Wipro technologies at Bangalore...???


what are the critical issues you have resloved in your company


i have made a project i vb.net n created a .exe of it after installing it in to any pc, the database (sql express) is not geting accesed i.e the aplication cuts the link of the database, so plz help in this matter.


how to take backup bcp out for a column in table in sql server?


optimization techinques


Give some Scenario for Non Clusterd index? Can we write system defined functions in side The Function? Wat is the Unique Datatype?


What are the new features introduced in SQL Server 2000? What changed between the previous version of SQL Server and the current version?


what is difference between view and Dip.


In my application I have a process which picks the scanned files (tif format) from a shared location and it links to application and shown on it.The actuall issue is that my process picks the file before it is completly written or scanned which results in displaying few parts of the image or incomplete image.I need to check if the file is not completly scanned or written then do not link it to application.Please help if any body tell me that how can i check that file is in written phase or locked through DTS.thanking you in advance


SQL Server Architecture ?


1.what is the diff between nolock optimizer and read uncommitted isolation? 2.what is the diff between revoke and deny? 3.what is percieved down time? 4.whether password protection are required for backups?if yes why?if no why? 5.what is fill factor? 6.what is cost analysis? 7.what is mean by piece meal restore? 8.what is 'rowguidcol'? 9.impersonate permission? 10.what is selectivity?


How do you Implement SSIS Packages in your Project?


what are the Prerequisites for Replication?