In the DB we use[1] the internal row id is not stable: The value returned by the function is not necessarily constant between queries as various operations per

In the DB we use[1] the internal row id is not stable: The value returned by the function is not necessarily constant between queries as various operations performed on the database may result in changes to the row identifiers of a table. So, users should refrain from using the ROWID function in ordinary situations; retrieval by primary key value should be used instead. [1]: https://infocenter.sybase.com/help/index.jsp?topic=/com.sybase.help.sqlanywhere.12.0.1/dbreference/rowid-function.html https://infocenter.sybase.com/help/index.jsp?topic=/com.syba...