Hello Roland,

Wednesday, December 21, 2016, 9:11:36 PM, Roland Turcan wrote:

> But I cannot call this:

> update RDB$GENERATORS set rdb$generator_increment = 1 where
> rdb$generator_name not starting 'RDB$';

System Tables are read-only in Fb 3.

> how can I set the value to 1?

Read the release notes, page 71 (pdf page 81) and all will be
revealed. (On-line:
http://www.firebirdsql.org/file/documentation/release_notes/html/en/3_0/rnfb30-ddl-enhance.html#rnfb30-ddl-altersequence

HB