SQLServerCentral Article

Ownership Chaining

Security in SQL Server is not too complex, following a fairly simple framework for allowing and preventing access to data. However there are a few places where it can get tricky and some concepts that many people do not understand. Rob Farley brings us an explanation of one of those areas: ownership chaining. Read about how ownership chaining can be useful and also how it may open security holes in your environment.

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Question of the Day

An Unusual Identity

What values are returned when I run this code?

CREATE TABLE dbo.IdentityTest2
(
     id NUMERIC(10,0) IDENTITY(10,10) PRIMARY KEY,
     somevalue VARCHAR(20)
)
GO
INSERT dbo.IdentityTest2
(
    somevalue
)
VALUES
( 'Steve')
, ('Bill')
GO
SELECT top 10
 id
 FROM dbo.IdentityTest2

See possible answers