SELECT EmployeeId, MAX (ReviewDate) AS MaxReviewDate FROM tbl_stuff GROUP BY EmployeeId ) t1 ON t.EmployeeId = t1.EmployeeId AND t.ReviewDate = t1.MaxReviewDate WHERE (some filters on t) </pre> ...

As we saw in the last article, the SQL SELECT statement has the widest variety of query options, which are used to control the way data is returned. These options come in the form of clauses ...

The next example uses the SQL procedure to query flight information from the ORACLE table DELAY. The WHERE clause specifies that only flights to London and Frankfurt are retrieved. libname myoralib ...