Re: create table

On Sun, Apr 29, 2001 at 09:32:15PM +0200, LeoDeBeo wrote:
> can anybody explain me the syntax of Create Table documentation??
>
> CREATE [ TEMPORARY | TEMP ] TABLE table (
> column type
> [ NULL | NOT NULL ] [ UNIQUE ] [ DEFAULT value ]
> [ column_constraint_clause | PRIMARY KEY } [ ... ] ]
> [ , ... ]
> [ , PRIMARY KEY ( column [, ... ] ) ]
> [ , CHECK (condition) ]
> [ , table_constraint_clause ]
> ) [ INHERITS ( inherited_table [, ... ] ) ]
>
> i don't understand what the curly brace means after PRIMARY KEY (where is
> the other matching brace? ). It must have something to do with the fact

Means that you can optionally have several others of the prior.

PRIMARY KEY(column, column, column...)

> that a 'column type' pair ( with options ) can occur more than once, but is
> this syntax right?

AFAICS yes.

-Roberto

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Roberto Mello - Computer Science, USU - http://www.brasileiro.net
http://www.sdl.usu.edu - Space Dynamics Lab, Developer
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