SPD EngineでのBYステートメント処理時にインデックスを使用するかどうかを指定します。
該当要素: | DATAステップおよびPROCステップ |
デフォルト: | YES |
エンジン: | SPD Engineのみ |
NOTE: BY ordering was produced by using an index for
table tablename.
NOTE: BY ordering was produced by performing an automatic sort
on table tablename.
options msglevel=i; proc means data=permdata.customer(IDXBY=no); by sales; by state; run;
NOTE: BY ordering was produced by performing an automatic sort on table PERMDATA.customer. NOTE: There were 2981 observations read from the data set PERMDATA.CUSTOMER.
proc means data=permdata.customer(IDXBY=yes); var sales; by state; run;
NOTE: BY ordering was produced by using an index for table PERMDATA.customer. NOTE: There were 2981 observations read from the data set PERMDATA.CUSTOMER.