SQL Server Interview Questions
Questions Answers Views Company eMail

Syntax to find the used space and free space of the Data file in a database(SQL Server). Following queries didn't give the exact Used space and Free Space Information sp_spaceused;DBCC showfilestats;exec MyDbName.dbo.sp_spaceused;SP_HELPFILE Can any one tell me the query for how to find the exact used data file space and free space in a Data File?

Cognizant,

2 4721

How to generate the Reports for the Database? I need an Example for it.Will we manually do this or else any script is there? Please let me know ASAP...

Cognizant,

1 1969

When we are using this query to shrink the log file,what exactly it will execute internally? Do we lose any data when we run this script? which data it will truncate in the log file and where it is saved. Please let me know... USE DatabaseName GO DBCC SHRINKFILE(, 1) BACKUP LOG WITH TRUNCATE_ONLY DBCC SHRINKFILE(, 1) GO

Cognizant,

1 2837




one of my database size is 2gb and Unrestricted Growth for Data file up to 10%.But every day after day I am getting Primary Data file is full 99.999 please take appropriate actions.Why it is? Even disk space is also not full,but still I am getting the alerts.

Cognizant,

1 3248

What are the steps you will take to improve performance of a poor performing query?

1 2904

How to restart SQL Server in single user mode? How to start SQL Server in minimal configuration mode?

2 2873

Hi all, I need query help for below senorio, could you please help me. TableName = City CITYID ContinuationID CITYNAME 1 1 SAN 1 2 DIEGO 2 1 SAN 2 2 FRANCISCO 3 1 CHICAGO 4 1 NEW 4 2 YORK 4 3 CITY Could you please help me to write a generalized SQL that returns results as given below in the Query result CITYID NAME1 NAME2 NAME3 NAME4 NAME5 1 SAN DIEGO 2 SAN FRANCISCO 3 CHICAGO 4 NEW YORK CITY

TCS,

5 4729

Does any body please help me what question's have asked for SSRS in the interview?

795




What is the difference between in and exists. Ex: select * from emp where empno in(....) and select * from emp where empno exists(....) What is the difference between a Join and Union and Union and UnionAll.

ABC, Accenture,

5 6514

How to handle errors in Stored Procedures.

Accenture,

2 5529

what is the difference between procedure and function.

Thomson,

4 4959

Security Question- SQL DBA exparts, need your help...

3 3123

What is Stored Procedure? What is Views in sql server? Difference between a User Defined Function and a Stored Procedure Difference between a primary key and a unique key? What is a join and explain different types of joins. Difference between temp table and table variable Difference between Triggers and Stored Procedures Difference between UNION ALL Statement and UNION What is COALESCE / Why do we use COALESCE? Why we use SET ROWCOUNT in Sql How many clustered index can have a table How many types of local tables in SQL SERVER Difference between DELETE and TRUNCATE What is Aggregate Functions? What is Row_Number()? What are Ranking Functions? What is NOLOCK? What is CTE? What are the Advantages of using CTE? What is the STUFF function and how does it differ from the REPLACE function? What are the difference between clustered and a non-clustered index? What are the different index configurations a table can have? Difference between a HAVING CLAUSE and a WHERE CLAUSE? Difference between SET and SELECT Provide all the built in string function of SQL SERVER Difference between char and varchar data types Define candidate key, alternate key, composite key. What are constraints? Explain different types of constraints. What is a self join? Explain it with an example. How will you convert table row to a column comma separated value

ACS,

4 7822

what is the maximum size of sql row in mssql?

1 3886

There are two tables (T1, T2) with different rows. Find the output of query. Select count(*) from T1,T2.

Amdocs,

3 4331


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Un-Answered Questions { SQL Server }

Issues related in upgrading SQL Server 2000 to 2005 / 2008

722


what are the critical issues you have resloved in your company

771


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.

658


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

1105


Why do you want to join software field as you have done your BE in Electronics?

973






where the connection string store in the database

758


How to restore performance issues and how to check?

798


Delete duplicate rows without using rowid.

138


Scalability, Availability, Integration with internet, etc.)?

1590


1.what are diff types of joins , and explain diff between cross join and full outer join 2.diff types of views 3. Diff types of index 4. What is diff b/w stores procedure and function procedure 5.diff between double and int in SQL 6.diff between char and varchar in SQL. 7.Oracle or SQL whice you will preferred and why.

317


OPTIMIZATION OF SP,CURSOR,TRIGGERS

1459


Working with TLogs

640


In one interview...interviewer ask me question pleas tell me sql server architecture.. can any body tell me the sql server architecture with digram

764


How to convert a table data in XML format in sql server?

1351


SQL Server Architecture ?

1082