Hi....question about SAS indexes. I accidentally deleted a SAS index file when I wrote over a data set by having the data set in the DATA and SET statements. To replace the one I deleted, I want to create a new index file with the same characteristics as the other index files in the same directory. But when I do a PROC CONTENTS on the SAS data sets in that directory (code below), the results indicate that the number of indexes is 0 and there are no variables listed as key variables for every SAS data set, even though the index files exists. proc contents data=mylibrary._all_ details; run; My question is, how can a SAS data set have an index file, and yet no indexes? No key variables. Are these index files then pretty much useless? Thanks! Jacob
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