El día miércoles, julio 06, 2022 a las 02:33:42p. m. -0500, Ron escribió: > On 7/6/22 01:18, Matthias Apitz wrote: > [snip] > > Ofc, each table has its own primary key(s), used for example for the > > SELECT ctid, * FROM d01buch WHERE ... > > > > As I said, we came to PostgreSQL from Sybase (and Oracle) and Sybase has > > for each table a so called SYB_IDENTITY_COLUMN which is static for the > > table and its value does not change. > > The DBA who designed that should be flogged for pretending that > SYB_IDENTITY_COLUMN is a primary key. Now things are coing to blaming. Nobody said that SYB_IDENTITY_COLUMN is a primary key, but it is uniqu to identify a row in a table once known. matthias -- Matthias Apitz, ✉ guru@xxxxxxxxxxx, http://www.unixarea.de/ +49-176-38902045 Public GnuPG key: http://www.unixarea.de/key.pub Peace instead of NATO! Мир вместо НАТО! Frieden statt NATO! ¡Paz en vez de OTAN!
