Specifies whether SAS uses an index search or a sequential search to match the conditions of a WHERE expression.
Valid in: | DATA step and PROC steps |
Category: | User Control of SAS Index Usage |
Restrictions: | Use with input data sets only. |
Mutually exclusive with IDXNAME= data set option |
data mydata.empnew; set mydata.employee (idxwhere=yes); where empnum < 2000;
data mydata.empnew; set mydata.employee (idxwhere=no); where empnum < 2000;