is it important for a database administrator to understand the operating system and file access? : Sql server administration

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How to compose an inquiry to demonstrate the points of interest of an understudy from students table whose name begins with k?

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What is transcation?Plz give One example?

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What does truncate do?

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If a user does not have permission to a table, but has permission to a view created on it, will he be able to view the data in table?

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can any one please send sql quries most used in applications.

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How to make a column nullable?

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What is database replicaion? What are the different types of replication you can set up in SQL Server?

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What is the purpose of the tempdb database?

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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 command is used to delete a table from the database in the sql server and how?

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

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