Learn how to master the SELECT statement to form truly useful data queries. This article explains functions, clauses, and keywords that will make your life a lot easier. Due to popular demand, we’re ...

The SELECT DISTINCT statement is used to return only unique (distinct) values from a column or set of columns in a table. Useful when a column contains duplicate values and you want to list only the ...

Note: See the appendix for a description of DLIB.OUTOFSTK. You can use the SQL procedure to create a view that joins the data from these three sources and displays their output. The SAS WHERE or ...

proc access dbms=dbf; create adlib.invoice.access; /* create access descriptor */ path="c:\sasdemo\invoice.dbf"; assign=yes; rename invoicenum = invnum amtbilled = amtbilld amountinus = amtinus; ...

Now that you've seen how subqueries work, it's time to get some practice writing them! Not all of the queries will require subqueries, but all will be a bit more complex and require some thought and ...