What is pivot and unpivot?

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What happens if you insert a duplicate key for the primary key column in ms sql server?

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What is the difference between count and distinct count?

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What are the basic functions for master, msdb, model, tempdb databases?

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How to create view in stored procedure sql server?

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To which devices can a backup be created and where should these devices be located? : sql server management studio

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What are the types of joins in sql?

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What is an execution plan? When would you use it? How would you view the execution plan?

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The Difference between 'Count' and 'Count(*)'

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

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* CREATE TABLE [dbo].[t_Colors]([ColorId] [int] NOT NULL,[ColorName] [varchar](50) COLLATE SQL_Latin1_General_CP1_CI_AS NULL, [ColorDesc] [varchar](50) COLLATE SQL_Latin1_General_CP1_CI_AS NULL,[ColorIndex] [int] NULL) ON [PRIMARY] GO * insert into [t_Colors] values(101,'Red','',1) insert into [t_Colors] values(101,'Red1','',2) insert into [t_Colors] values(102,'Blue','',1) insert into [t_Colors] values(102,'Blue1','',2) insert into [t_Colors] values(102,'Blue2','',3) * In this table i need to delete DELETE FROM t_Colors WHERE ColorIndex=1 AND ColorId=102 After delete above condition i need to update the ColorIndex set to 1 for Blue1[ColorName] and 2 for Blue2[ColorName] select * from [t_Colors] Note:- how can i get updates the ColorIndex values after delete. for example we need to update Blue1 ColorIndex set to 1 and Blue2 ColorIndex set to 2

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What is the sql case statement used for? Explain with an example?

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