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 4847

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 2063

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 2931




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 3344

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

1 2980

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

2 2979

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 4907

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

898




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 6667

How to handle errors in Stored Procedures.

Accenture,

2 5672

what is the difference between procedure and function.

Thomson,

4 5086

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

3 3237

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 7980

what is the maximum size of sql row in mssql?

1 4001

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

Amdocs,

3 4486


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Un-Answered Questions { SQL Server }

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

1313


I applied Transactional with updatable subscriptions replication on 2 tables now i want to delete those 2 tables but i cannot delete those tables as replication is running how can i stop replication for those 2 tables(but i don't want to delete those replicated tables but i need to stop the replication) how can i do that

690


How do we upgrade from SQL Server 6.5 to 7.0 and 7.0 to 2000?

890


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?

884


IF more than one Site is accessing the same Database server and I want to move the DB with Minimum down time? How will you do

672






hi, the following are the outputs of sp_spaceused and sp_tempdbspace sp_spaceused ------------ database size unallocated size tempdb 77752.95 MB 28026.99 MB sp_tempdbspace ------------- database size spaceused tempdb 77752.945312 1.007812 the unused space in sp_spaceused is nearly 28 Gb and in sp_tempdbspace is nearly 76 Gb cany any one explain about this output and why its giving different results.

1641


How should i optimize the time for execution of stored procedure having single input and many output from the different tables?

832


in a table is b in column k (manikanta,sivananda,muralidhar) i want result like (mnikanta,sivnanda,murlidhar) please slove it

328


How do use Having,Group by,Group function in SQL?

688


You have modified 100 store procedures and want to replicate these changes from development to prodution, and production can have users using the Server/DB, how would you replicate without causing issues?

1063


Write a Select Query to display title for each group of records, which are collected with Compute Clause? Like titlefield column-A column-B ..... ..... ..... Sum ... titlefield column-A column-B ..... ..... ..... Sum ...

953


If we delete pack Spec what will be the status of pack Body ?

190


How to check what was the last restore transaction LSN in Log shipping or Mirroring? when we don't have a Monitor or witness server.

2694


How to trouble shoot if unable to connect SQL Server

783


whats new about truncate in sql server 2008?

1325