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Unique Records In Oracle

Defining unique records in an Oracle table is necessary for employee data, and manufacturing part numbers and user names, to name a couple of examples. David Fitzjarrell looks at the various ways uniqueness can be defined, and which method may not be acceptable to third-party applications.

External Article

Database Continuous Integration

Have you ever longed for a way of making the delivery of databases more visible, predictable and measurable? Do you ever wish that they would be of better quality, quicker to change, and cost less? Grant Fritchey explains some of the secrets of doing Continuous Integration for Databases to relieve some of the pain-points of the Database Delivery process.

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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