> In FB4, when adding a timestamp field it creates me timestamp_tz (32752). > normal?
Yes, unless you force FB4 to use previous versions default datatypes either with (DataTypeCompatibility = 3.0 in Firebird.conf) or with set bind of timestamp with time zone to legacy; (see README.set_bind.md in doc\sql.extensions) Evelyne Firebird-Devel mailing list, web interface at https://lists.sourceforge.net/lists/listinfo/firebird-devel
