Re: SQL-plus

From: Tim <jmeth111_at_yahoo.ca>
Date: Mon, 02 Mar 2009 14:56:20 -0500
Message-ID: <a6b5c$49ac39e4$cef8ac46$6549_at_TEKSAVVY.COM>

Tim wrote:

> ddf wrote:
>> On Mar 2, 9:31 am, Tim <jmeth..._at_yahoo.ca> wrote:
>>> ddf wrote:

>>>> On Mar 2, 8:02 am, Tim <jmeth..._at_yahoo.ca> wrote:

>>>>> Robert Klemme wrote:
>>>>>> On 02.03.2009 13:49, Tim wrote:
>>>>>>> Robert Klemme wrote:
>>>>>>>> ... but be aware that SQL Developer has issues of its own.  I
>>>>>>>> recently hit a bug when it flagged a warning about a type issue 
>>>>>>>> in a
>>>>>>>> trigger - which was utter nonsense.  Also, with SQL Developer you
>>>>>>>> still need to do the typing (although I'd concede that the auto
>>>>>>>> completion usually works).  The best thing that can be probably 
>>>>>>>> said
>>>>>>>> about it is that you easily get an overview of all your database
>>>>>>>> objects.
>>>>>>> Exactly. If I  want to look at the various tables and how they are
>>>>>>> defined, I would rather click a few times than repeatedly type out
>>>>>>> some command, regardless of how simple it is.
>>>>>> Funny thing is, I am not a DBA either and although I do not work with
>>>>>> Oracle very day I find using SQL Plus quite convenient.  To see a
>>>>>> description of a table's layout you just need "desc <table 
>>>>>> name>".  With
>>>>>> "ed" you can quite conveniently edit your SQL statement in your
>>>>>> preferred text editor.  And if you want to do some script based 
>>>>>> testing
>>>>>> with time measurements and output saved, SQL Plus is unbeatable.

>>>> Comments embedded

>>>>>> Now, this is enough advertising. ;-)
>>>>>> Kind regards
>>>>>>     robert
>>>>> OK, here is another question. What is the difference, from a 
>>>>> developer's
>>>>> point of view, between Oracle 8i, Oracle 9i and Oracle 10g?

>>>> Legion. The optimizer changed dramatically between 8i and 10g, and
>>>> other enhancements have also been provided. See here for 9i
>>>> improvements:
[Quoted] [Quoted] >>>> http://download.oracle.com/docs/cd/B10501_01/server.920/a96531/ch2_9i...

>>>>

>>>> and here for 10g enhancements:
>>>> http://download.oracle.com/docs/cd/B19306_01/server.102/b14214/chapte...

>>>>

>>>> You should also peruse "Cost-Based Oracle Fundamentals", by Jonathan
>>>> Lewis, to understand the changes in the optimizer which can affect
>>>> you.

>>>>> If I am just writing SQL statements does it really matter what 
>>>>> version I
>>>>> use?

>>>> It can, depending upon what you're doing. New syntax, such as the
>>>> WITH clause (for subquery factoring), may provide improved performance
>>>> over in-line views.

>>> Is that non-standard SQL then?
>>>
>>>
>>>
>>>>> Is there any added functionality that would change the actual SQL
>>>>> statements?

>>>> Yes, as noted above. Check the documentation for other query
>>>> enhancements provided by a specific release.
>>>> - Hide quoted text -

>>>>> - Show quoted text -

>>>> David Fitzjarrell- Hide quoted text -

>>> - Show quoted text -- Hide quoted text -
>>>
>>> - Show quoted text -
>>
>> 'Non-standard SQL'?
>>
>>
>> David Fitzjarrell
> 
> Yes. Do they meet the SQL standards? There are standards to SQL, like 
> SQL99.
> Not sure what the most recent version of that is called.

So I removed 10g and tried to re-install 9i. I double click on the install.exe file and absolutely nothing happens. Is there a date limit as to when I can install this product or can I not go back a version?
Any ideas? Received on Mon Mar 02 2009 - 20:56:20 CET