*(Q) I have a data base (a *.sav file) whose key consist of 4 variables. There is also second *.sav file containing a list of keys which must be removed from the data base, How can I do that. *(A) rlevesque@videotron.ca 2001/09/17. DATA LIST LIST /id1 id2 id3 id4 data1. BEGIN DATA 1 1 1 1 1 1 2 1 1 2 2 1 1 1 3 2 2 2 2 4 END DATA. LIST. SORT CASES BY id1 id2 id3 id4. SAVE OUTFILE='c:\\temp\\database.sav'. DATA LIST LIST /id1 id2 id3 id4. BEGIN DATA 1 1 1 1 2 2 2 2 END DATA. LIST. SORT CASES BY id1 id2 id3 id4. SAVE OUTFILE='c:\\temp\\delete list.sav'. ***** Start job. GET FILE='c:\\temp\\delete list.sav'. COMPUTE del=1. SAVE OUTFILE='c:\\temp\\delete list.sav'. GET FILE='c:\\temp\\database.sav'. MATCH FILES /FILE=* /TABLE='C:\\Temp\\delete list.sav' /BY id1 id2 id3 id4. * Next lines deletes unwanted cases. SELECT IF MISSING(del). * Delete the variable del. MATCH FILES FILE=* /DROP=del.