Here you go. /*Set without quotations the libname variable to the library name and the dsname variable to the dataset name which you want to inquire about it's size*/ %let libname=?; %let dsname=?;   /*Initiate CAS session*/ cas;   /*Use table.tabledetails to get the table size and save the result to work.cas_ds_memsize dataset*/ proc cas; table.tabledetails result=res/ caslib="&libname." NAME="&dsname." showmem=true; saveresult res dataout=work.cas_ds_memsize; quit;   /*Query work.cas_ds_memsize dataset to display the size in megabyte (MB)*/ proc sql; select  "&libname." as CAS_Library_Name, "&dsname." as CAS_Dataset_Name, (mem.MappedMemory/1024/1024) format=8.2 as Memsize_MB from  work.cas_ds_memsize mem ; quit; ... View more