In any case it’s better to just rewrite such a query as a join.
Another thing it won’t do is allow a query to refer to a temporary table more than once.
It also describes many of the more important SQL statements that are used for the following types of operations: My SQL's SQL statements can be grouped into several broad categories; Table 3.1 lists some representative statements for each.
In some cases, a utility program is available that provides a command-line interface to a statement.
Such features include triggers, stored procedures, and views.Do these omissions mean that My SQL isn't a "real" database system?Some people think so, but in response I'll simply observe that the lack of these capabilities in My SQL hasn't stopped large numbers of people from using it.For example, operations to be performed from the command line.This chapter points out such equivalences where appropriate.