Alternatives To SQL *Plus

Jul 23, 2005

Hi,

I have an SQL assignment to do and at my school we use SQL *Plus there
however I don't have Oracle at home, where I would like to do the work ,so I
was wondering whats the easiest way to get an SQL environment up so I can
code in that then just paste it into SQL *Plus later.

I don't really want to install Oracle on my home pc and I was wondering if
there are other IDE's for SQl that would fit my need for this.

I discovered an instant SQL *Plus client that sounded really promising but
when i unpacked it, it was just a load of dll's so I think it wasn't what I
thought it was.

So does anyone know of anything that might be able to help me out here?

Any advice much appreciated!

Thanks
--
Ant

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Apr 3, 2004

Hi all

I have often come across discussions on this forum saying that CURSORs are expensive in time (processing power?).

Having used CURSORs to processing a mere 2000+ record (not much at all) which took a fair while to complete, I now realize why you guys are saying CURSORs are expensive.

But is there alternatives to using CURSORs in the situation where I try to process every records returned by a particular query?

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All comments welcome


James :)

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Sep 30, 2005

Hi all

Hope someone in here can help me solve a problem im having with a view.
I'm tring to build a view that show me the sales history for any given machine in a Machine Database (MDB). Each machine is handled as a seperate "project".

My query works fine as long as a machine has only been sold once ... but as soon as the machine is being sold as used to another customer the view fails because of my "subqueries" return more then one value.
(Error message: Subquery returned more than 1 value. This is not permitted when the subquery follows =, !=, <, <= , >, >= or when the subquery is used as an expression.)

I hope someone in here has a ideer on how to get the information I need out - because my CASE statements clearly dosn't do the trick.

--------------------------------------------------------
SELECT crm5.contact.name AS Customer,
crm5.pmembtype.name AS Ownership,
crm5.pv_salespress.InstallationDate AS [Install Date],
CASE
WHEN (SELECT crm5.pv_salespress.comptr1_Winner FROM crm5.pv_salespress) = 1 THEN (SELECT crm5.pv_salespress.comptr1_Used FROM crm5.pv_salespress)
WHEN (SELECT crm5.pv_salespress.comptr2_Winner FROM crm5.pv_salespress) = 1 THEN (SELECT crm5.pv_salespress.comptr2_Used FROM crm5.pv_salespress)
WHEN (SELECT crm5.pv_salespress.comptr3_Winner FROM crm5.pv_salespress) = 1 THEN (SELECT crm5.pv_salespress.comptr3_Used FROM crm5.pv_salespress)
ELSE (SELECT crm5.pv_salespress.Used FROM crm5.pv_salespress)
END AS Used,
CASE
WHEN (SELECT crm5.pv_salespress.comptr1_Winner FROM crm5.pv_salespress) = 1 THEN (SELECT crm5.comptr.name FROM crm5.comptr WHERE crm5.comptr.comptr_id = crm5.pv_salespress.comptr1_seller)
WHEN (SELECT crm5.pv_salespress.comptr2_Winner FROM crm5.pv_salespress) = 1 THEN (SELECT crm5.comptr.name FROM crm5.comptr WHERE crm5.comptr.comptr_id = crm5.pv_salespress.comptr2_seller)
WHEN (SELECT crm5.pv_salespress.comptr3_Winner FROM crm5.pv_salespress) = 1 THEN (SELECT crm5.comptr.name FROM crm5.comptr WHERE crm5.comptr.comptr_id = crm5.pv_salespress.comptr3_seller)
ELSE (SELECT crm5.comptr.name FROM crm5.comptr WHERE crm5.comptr.comptr_id = 35)
END AS [Installed By],
crm5.pv_salespress.RemovalDate AS [Removal Date],
crm5.pv_salespress.RemovalReason AS Reason,
crm5.pv_salespress.ActionBy AS [Removed By],
crm5.project.project_id,
crm5.sale.sale_id
FROM crm5.contact INNER JOIN
crm5.sale INNER JOIN
crm5.project INNER JOIN
crm5.projectmember ON crm5.project.project_id = crm5.projectmember.project_id INNER JOIN
crm5.pmembtype ON crm5.projectmember.mtype_idx = crm5.pmembtype.PMembType_id INNER JOIN
crm5.projstatus ON crm5.project.status_idx = crm5.projstatus.ProjStatus_id ON crm5.sale.project_id = crm5.project.project_id ON
crm5.contact.contact_id = crm5.projectmember.contact_id RIGHT OUTER JOIN
crm5.pv_salespress ON crm5.sale.sale_id = crm5.pv_salespress.Sale_idx

----------------------

Thanks in advance
Niels

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..... .......
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Hi,



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Hello,



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Hello.

I have a query which spends a lot of time calculating my CASE WHEN -statements.

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ELSE

(someCol*0.4+someOtherCol*0.3)
END
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(

SELECT

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SomeTable
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http://64.225.154.232/temp_dbDiagram.gif

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