DDL – SQLpowered.com https://sqlpowered.com SQL Server + BI Fri, 12 Jun 2020 20:44:43 +0000 en-US hourly 1 https://sqlpowered.com/wp-content/uploads/2020/07/FavIcon-e1594067873682-99x100.png DDL – SQLpowered.com https://sqlpowered.com 32 32 CREATE TABLE syntax surprise https://sqlpowered.com/create-table-syntax-surprise/ https://sqlpowered.com/create-table-syntax-surprise/#respond Fri, 08 Dec 2017 10:14:25 +0000 https://sqlpowered.com/?p=2303 What do you think: Is this valid CREATE TABLE statement?

CREATE TABLE dbo.SampleTable (ID INT,)
GO

Definitely yes! Try it by your own.

The only one reason how to explain I see that after comma there can be 0 or n members (empty) collection of constraints like in this sample:

CREATE TABLE dbo.SampleTable (ID INT NOT NULL, PRIMARY KEY(ID))
GO

 

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