Search Postgresql Archives

Re: How to do auto numbering on INT column

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



> HI
> I have a simple table created using PGAdmin III. How do i do a auto
> numbering on a column SYMBOL_ID?
> My table is
> CREATE TABLE "SYMBOL"
> (
>   "SYMBOL_ID" int4 NOT NULL,
>   "SYMBOL2EXCHANGE" int2 NOT NULL,
>   "SYMBOL_ALIAS" text[],
>   "RELATED_SYMBOLS_OTHER_EXCHANGES" int8[],
>   "SYMBOL_NAME" text,
>   "COMPANY_NAME" text,
>   "SYMBOL2SECTOR" int2,
>   "SYMBOL2INDUSTRY" int4,
>   "STOCK_SUMMARY" text
> ) 

Use column type SERIAL, or, if you want to fine tune things,
use sequences: 
http://www.postgresql.org/docs/8.1/static/sql-createsequence.html
(in fact, SERIAL does define a sequence behind the scenes for you).

Bye, Chris.

-- 

Chris Mair
http://www.1006.org




[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[Index of Archives]     [Postgresql Jobs]     [Postgresql Admin]     [Postgresql Performance]     [Linux Clusters]     [PHP Home]     [PHP on Windows]     [Kernel Newbies]     [PHP Classes]     [PHP Books]     [PHP Databases]     [Postgresql & PHP]     [Yosemite]
  Powered by Linux