I have to face this trouble , it is not I want , but a historical problem .
so , can you tell me ?
Richard Huxton wrote:
> zhaoxin wrote:
>
>>Hi All.
>>
>>I have a question about the Maximum number of columns in a table ?
>>
>>In FAQ for PostgreSQL,I can find this description :
>> Maximum number of columns in a table?
>> 250-1600 depending on column types
>>But , I want to know what type is 1600 limit , and what type is 250
>>limit . it is important for me , thanks .
>
>
> Have you tried creating the columns you need in the type you need?
>
> What happens?
>
> Are you sure hundreds of columns in a table is the best design for your
> problem?
>
--
以上、よろしくお願いいたします。
---------------------------------------------------------
Zhao Xin
NEC-CAS Software Laboratories Co.,Ltd.
Tel : 8233-4433-425
Telnet : 8-0086-22-425
E-mail:[EMAIL PROTECTED]
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TIP 9: In versions below 8.0, the planner will ignore your desire to
choose an index scan if your joining column's datatypes do not
match
