What is an ISAM???

[ACE]

Hi,

Whenever I try to make changes to a linked table I get an error message from Access saying that is not allowed in this ISAM. I was curious as to what this ISAM is??

Thanks

 

[The_Doc_Man]

Well, to us old-timers, ISAM is Indexed Sequential Access Mode, which is (originally) an IBM mainframe-class file organization. I guess it is trying to tell you that the operation you wanted to perform involves a link to an external file being kept in a format you cannot change through Access. I.e. it is not a native format of the Microsoft environment. 'Tain't the first time I've seen Access refuse to update a particular file format.

 

[FoFa]

Pat, I use to use a Hex Editor on the MF that would allow me to update a flat file in place, BUT you had to know hex/EBCDIC, and you could really screw them up using it also... hee hee hee I know... What about DSAM, used that before also.
ACE some ODBC/OLE DB can not be updated, some you have to have the proper rights (will give that error also). What is the linked table you trying to update.

 

[FoFa]

PAT, you are right, it used sectors I think and read and wrote in hardware blocks, but was not standard in any sense of the word. But saved my goat a time or two. Been to long for me, been out of MF for 9 years now (Ya, that huge UNIX box running Oracle apps is not a MF right).