The last 2 are the same (in that the : denotes a host variable) Using host
variables is better. You can share the sqlstatements, the execution plans.
Good coverage in the application developer guide as to why you should use
host variables. It is a quick read.
Jim
"Ryan Gaffuri" <rkg100_at_erols.com> wrote in message
news:6757365f.0203140450.584f22d7_at_posting.google.com...
> Sorry wasnt clear...
>
> Select
> From
> where dept = &dept
> in SQLPLUS
>
> vs.
>
> Select
> from
> where dept = :dept
>
> vs
>
> select
> from
> where dept = v_dept(this is a host variable)
>
> "Jim Kennedy" <kennedy-family_at_attbi.com> wrote in message
news:<%fVj8.34431$af7.28397_at_rwcrnsc53>...
> > Not exactly sure what you mean?
> > do you mean
> > select ... from ... where dept='mydept'
> > vs
> > select ... from ... where dept=:hvDept
> > ?
> > If so the 2nd one (has bind variables) is better if another session does
the
> > same thing
> > select ... from ... where dept=:hvDept
> > vs
> > select ... from ... where dept='hisDept'
> > See the documentation for Application development.
> > Jim
> > "Ryan Gaffuri" <rkg100_at_erols.com> wrote in message
> > news:a6p2tl$35a$1_at_bob.news.rcn.net...
> > > I know this improves performance in dynamic sql. Does it improve
> > performance
> > > in standard sql? When would you want to use a bind variable in static
sql?
> > > How does the way Oracle handles a bind variable in standard sql differ
> > from
> > > how it handles a & variable?
> > >
> > > Thanks
> > >
> > >
Received on Thu Mar 14 2002 - 09:19:00 CST
