Microsoft, together with Intel, AMD, ATI and Nvidia, released the basic recommended configuration requirements for Windows Vista certified PCs. Many common hardware appears in the list, so users who buy computers in recent years can be reassured. The recommended configuration requirements are as follows (including but not limited to):
-MB memory
-Use any of the following Cpu:intel core Duo, Intel Core Solo, Intel Pentium M, Mobile Pentium 4 (no Hype
following SQL statement:
SELECT Customer,SUM(OrderPrice) FROM OrdersGROUP BY Customer
The result set is similar to the following:
Customer
Sum (orderprice)
Bush
2000
Carter
1700
Adams
2000
Great, right?
Let's take a look at what will happen if group by is omitted:
SELECT Customer,SUM(OrderPrice) FROM Orders
The result set is similar to the following:
Customer
Sum (orderprice)
Bush
(Orderprice)
Bush
2000
Carter
1700
Adams
2000
It's great, isn't it?Let's take a look at what happens if you omit GROUP by:SELECT Customer,sum (orderprice) from OrdersThe result set looks like this:
Customer
SUM (Orderprice)
Bush
5700
Carter
5700
Bush
2000
Let's take a look at what happens if you omit GROUP by:SELECT Customer,sum (orderprice) from OrdersThe result set looks like this:
Customer
SUM (Orderprice)
Bush
5700
Carter
5700
Bush
5700
Bush
5700
2000
Carter
1700
Adams
2000
If you omit GROUP by SELECT Customer, SUM (orderprice) from
Orders
The results are as follows
Customer
SUM (Orderprice)
Bush
5700
Carter
5700
Bush
5700
Bush
ATI7-11 (8.43.2) forLinux graphics card Driver Installation-Linux general technology-Linux technology and application information, the following is read details. AMD release for linux operating system graphics card driver ati-driver-installer-7-11-x86.x86_64 (date:), the actual version number should be 8.43.2, solve the previous version (8.42.3) for 2.6.23 kernel does not support the problem.
: Http://ati.amd.com/support/drivers/linux/linux-radeon.htm
2000
Carter
1700
Adams
2000
Great, right?
Let's take a look at what will happen if group by is omitted:
SELECT Customer,SUM(OrderPrice) FROM Orders
The result set is similar to the following:
Customer
SUM (OrderPrice)
Bush
5700
Carter
5700
Bush
5700
Bush
, we want to find the total number of "Orderprice" fields.We use the following SQL statement:SELECT SUM (Orderprice) as OrderTotal from OrdersThe result set looks like this:
OrderTotal
5700
SQL GROUP by statement
SQL sum ()
SQL have
Aggregate functions, such as SUM, often require the addition of a GROUP by statement.GROUP by statementThe GROUP BY statement is used to combine aggregate functio
ATI Display Driver--catalyst driver
ATI is currently one of the two major independent graphics manufacturers (has recently been acquired by AMD), its drive has a very long history, in fact, the previous ATI driver did not have a specific name, only version number, around June 2002, in order to counter the Nvidia side of the "Detonator" series Drive,
It seems that there are still a lot of people who use ATI graphics cards. It is a pity that a classic video card like 8500 cannot run 3D games under X.
!! Note 1: This article only applies to 8500 and above graphics cards. ATI does not officially mention support for radeon/7000/7200/7500.
!! NOTE 2: redhat9 has good 2D support for ATI graphics cards and supports
market ATI and nvidia two independent video cards occupy an absolute advantage, this period we will introduce the ATI video card driver installation settings.
ATI graphics driver features and installation
With the introduction of the "Catalyst (Catalyst) 2.1" drive, ATI has reversed its previous drive to update slow
:
Customer
SUM (Orderprice)
Bush
2000
Carter
1700
Adams
2000
It's great, isn't it? Let's take a look at what happens if you omit GROUP by: SELECT Customer,sum (orderprice) from Orders The result set looks like this:
Customer
SUM (Orderprice)
Bush
5700
Carter
57
Result set:
Customer
SUM (Orderprice)
Bush
2000
Carter
1700
Adams
2000
What happens if you omit GROUP by: SELECT Customer,sum (orderprice) from Orders The result set looks like this:
Customer
SUM (Orderprice)
Bush
5700
Carter
5700
Bus
(Orderprice)
Bush
2000
Carter
1700
Adams
2000
It's great, isn't it?Let's take a look at what happens if you omit GROUP by:SELECT Customer,sum (orderprice) from OrdersThe result set looks like this:
Customer
SUM (Orderprice)
Bush
5700
Carter
5700
Bush
What is the role of the CCC.exe process?
Ccc.exe is a program in ATI Video Graphics control Center (Amd-ati's Catalyst Control Center (1)), which we can use to implement some of the settings for the graphics card.Notebook if it is an ATI video card upgrade the appropriate driver will occur after this problem (I am using the Vista operating system, online upgrade graphics driver). This program is not a requ
D3d9 GPU HacksI ' ve been trying to catch up what hacks GPU vendors has exposed in Direct3D9, and turns out there's a lot of them!If you know more hacks or more details, please let me know in the comments!Most hacks is exposed as custom ("FOURCC") formats. So-check for the CheckDeviceFormat . Here's the list (Usage column codes:ds=depthstencil, Rt=rendertarget; Resource column codes:tex=texture, Surf=surface). More green = more hardware support.
Format
Usage
Resource
Avivo technology can improve 2D image quality. The TV card ATi Theater 550 has appeared and is now added to the display. The Radeon X1 series full range will support this technology. Avivo is an opponent of Nvidia Pure video, and technically, Avivo is stronger than PureVideo. Avivo makes the color more vivid, more meticulous, clearer, sharper. Avivo technology is for video playback in the capture, Encode, Decode, process and display five items.
Perfe
We all know that a lot of notebooks are random with a F11 function, if the system has been unable to repair the problem, we can directly to restore the system, do not have to spend a lot of time as before the system to reload. But what you may not know is that desktop computers have the same function.
What we're going to talk about here is the use of a Acronis True image software (ATI), which runs out of DOS mode and has a standalone kernel, to insta
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