The FAQs state "Maximum number of columns in a table? 250-1600 depending on 
column types".

Is there a location which gives instructions for calculating whether a number 
of columns of different types can be accommodated?

I have a situation where I need to load tables from another database which may 
theoretically contain up to 1000 columns per table and this information will 
determine whether I need to rebuild PostgreSQL with a larger blocksize.  
Splitting into multiple tables is not always an easy option.

Many thanks

Gerry 




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