Difference between dual and quad processor

I'm looking into maybe switching from my iMac to the Power Mac G-5 with the 30" screen. Besides internet/email usage I do a lot with PhotoShop CS2. I think at this point in time I don't want to switch to the Intel, and will stay with the standard Mac system. Too many programs to start switching right now.
First, is there a big difference between the dual and quad processor? Since doing Photo Shop is for pleasure and not a business where time is the essence, would I really see a big difference in speed? I would up the 512 memory to probably 2 or 3 GB as well (like I did on my iMac)
2nd, Do I have to add a different graphics card, or can I use the one that comes in the computer? I don't do gaming just still pictures.
Thanks, Allie1254

Allie,
Do get the Quad PPC and the next level up video card and AppleCare.
1: PCI-Express video cards are impossible to come by right now, so get one up from the stock version, you'll come to appreciate it later on. Adds to resale value.
2: ATI who makes video cards for Macs has been bought by AMD, a processor competitor to Intel. Who knows what the future is going to be on that.
3: AppleCare is mandatory, one year isn't enough to cover a investment of this sort unless you do plan to dump it before then. Still AppleCare is a added plus to selling if you do.
If you can get more RAM, more than 3-3.5GB, CS2 will do a amazing 40% more performance because it won't use the slow boot drive as a memory swap (aka "scratch") disk.
If your handy, or have someone nearby that is, you can buy the RAM at Crucial.com a heck of a lot cheaper than Apple.
If you really want more performance, I suggest getting a large stock drive that comes from Apple, and a 150GB 10,000 RPM SATA Western Digital 16MB Raptor and (Disk Utility Erase w/ Zero all new drives 1x first) and then install Tiger on the Raptor with all your space hogging files in new folders on the large stock drive. Keep the boot drive less than 50% filled.
You'll see a incredible snappiness to your OS as Mac OS X "feel" speed is highly dependent upon boot drive speed.
Your Quad's CPU's are powerful and they can crunch quite a bit, like a bulldozer that can move a lot of dirt. So you can do more at once. But large filled slow boot drives and low RAM just hobble them.
If you never cloned your boot drive before, you should learn how to do that too. (Don't clone a different machines OS to a new one though.) You'll need a external firewire 800/400 drive equal to or bigger than your boot drive.
http://discussions.apple.com/thread.jspa?messageID=2765117&#2765117

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PowerMac G5 Image across single, dual, and quad Processor Macs

Good Day,
Our organization is preparing to roll out Tiger. To streamline
this process we have decided to create images for each Mac family in
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Can we use an image created on a quad processor PowerMac on the
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Thanks

Macs of different models and vintages may take different restore disks. The disk image method of doing this kind of work may or may not work. Use the original disks when faced with different releases or different models. See this article:
http://docs.info.apple.com/article.html?artnum=25784
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With the Intel-based macs, we can install Windows on a mac and run it as if it's running on a PC. That leads me to a question. What exactly is the difference between PC and mac? I know they are different on the OS, but that's just on a software level, which I don't think constitutes the difference. The hard drives are formatted differently on both machines, I know, but we can still use the same hard drive for both a PC or a mac, we just have to format it the right way. So what really is the main thing that constitutes the difference between a PC and a mac? Putting it this way, I can run PC on a mac, can I do it the other way round? Can I install a Mac OS 10.5 on a pure PC made by companies like hp or Dell (or I can easily make one on my own) with an Intel Core 2 Duo/Quad processor, and run the machine like it's a mac?

Allan Eckert wrote:
While some have managed to hack things so that they can install OS X on a PC, the results have been not very reliable. Generally OS X has many part that do not function properly.
It doesn't work well because the Mac hardware itself is different from what is found in any other Intel-based computer. Even the CPU's & support chips are not off-the-shelf Intel parts but variants optimized for Macs that are not available to other computer makers or to DIY enthusiasts.
This is probably why for a time in 2007 the 'fastest Windows notebook on earth' was a MacBook Pro, as tested by PC World, a fact touted for a while in Apple TV ads. (It lost that title to a more conventional Wintel laptop about a month later, but the new champ cost over $5000, had "almost nonexistent" battery life, & weighs over 11 pounds, which should give you some idea of the advantages an Intel-Apple collaboration has over the competition.)

Looking for new laptop what are the differences between pro and air? Besides size. Does the air preform like the pro?

Looking for new laptop what are the differences between pro and air? Besides size. Does the air preform like the pro?

The NEW macbook Pro and Air are EXTREMELY close in form factor
The newest macbook Pro is essentially a larger macbook Air with Retina display and options for speed in increasing prices up to an independent graphics and quad core processor.
both Air and new Pro now have PCIe SSD and permanent RAM.
The Air is the lightweight portable form factor, fast to boot and shut down, but with longer battery life than any of the macbook pro in 13"
Now the new macbook Pro and macbook Air are extremely close in form factor and nature.
both have 802ac wifi
both have permanent RAM, no superdrive
both are slim profiles and SSD
The only real differences now are (in the most expensive Pros) faster processors and quadcore processors and top end model autonomous graphics.
....and of course the retina display
both are now "very good for travel"
Other than features the form factor of the Air and Pro are VERY close now,....so now its merely a matter of features and price more than anything.
You need an external HD regardless of what you get for backups etc. Drop into an Apple store and handle both and make your choice based on features, such as Retina or non-retina, .... both at a distance now look like the same computer.
The Pro weighs more, ....but nowhere near what it used to just a month ago on the older macbook Pros
The NEW macbook Pro is a different creature entirely than the older macbook Pro, .....the new Pro is thicker than the Air, but id frankly call the NEWEST Pro a "macbook Air with Retina display" , or
Maybe a “macbook Air PRO with Retina display”
Instead of Air VS Pro now,.....its really a smooth transition from Air to pro without comparing say, 2 different creatures, now its like contrasting a horse from a race horse.
Either one in 8gig of RAM (preferably)... the 4gig upgrade costs very little, the I7 you will notice only 15% faster on heavy applications over the I5, and NOTHING on most APPS.....I5 has longer battery life.
As you see below, the non-Retina 13" AIR is 82% of the Macbook with Retina display in resolution
there is no magical number of pixels per inch that automatically equates to Retina quality.
http://www.cultofmac.com/168509/why-you-might-be-disappointed-by-the-resolution- of-those-new-retina-display-macs-feature/
A huge internal SSD isnt a game changer for anything, you need an external HD anyway
what you WONT READ on Apple.com etc. is that the larger SSD are MUCH FASTER due to SSD density
"The 512GB Samsung SSD found in our 13-inch model offers roughly a 400MB/s increase in write speeds over the 128GB SanDisk/Marvell SSD"
http://blog.macsales.com/19008-performance-testing-not-all-2013-macbook-air-ssds -are-the-same
Here is an excellent video comparison between the 11” I5 vs. I7 2013 Macbook Air.
http://www.youtube.com/watch?v=oDqJ-on03z4
http://www.anandtech.com/show/7113/2013-macbook-air-core-i5-4250u-vs-core-i7-465 0u/2
I5 vs. I7 performance 13” Macbook Air 2013
Boot performance
11.7 I5 ……11.4 I7
Cinebench
1.1 I5….1.41 I7
IMovie Import and Opt.
6.69 I5….5.35 I7
IMovie Export
10.33 I5…8.20 I7
Final Cut Pro X
21.47 I5…17.71 I7
Adobe Lightroom 3 Export
25.8 I5….31.8 I7
Adobe Photoshop CS5 Performance
27.3 I5…22.6 I7
Reviews of the newest Retina 2013 Macbook Pro
13”
Digital Trends (13") - http://www.digitaltrends.com/laptop-...h-2013-review/
LaptopMag (13") - http://www.laptopmag.com/reviews/lap...play-2013.aspx
Engadget (13") - http://www.engadget.com/2013/10/29/m...-13-inch-2013/
The Verge (13") - http://www.theverge.com/2013/10/30/5...ay-review-2013
CNet (13") - http://www.cnet.com/laptops/apple-ma...-35831098.html
15”
The Verge (15") - http://www.theverge.com/2013/10/24/5...w-15-inch-2013
LaptopMag (15") - http://www.laptopmag.com/reviews/lap...inch-2013.aspx
TechCrunch (15") - http://techcrunch.com/2013/10/25/lat...ok-pro-review/
CNet (15") - http://www.cnet.com/apple-macbook-pro-with-retina-2013/
PC Mag (15") - http://www.pcmag.com/article2/0,2817,2426359,00.asp
Arstechnica (15") - http://arstechnica.com/apple/2013/10...-pro-reviewed/
Slashgear (15") - http://www.slashgear.com/macbook-pro...2013-26303163/

What is the difference between exists and in

hi all
if i have these queries
1- select ename from emp where ename in ( select ename from emp where empno=10)
and
2- select ename from emp where exists ( select ename from emp where empno=10)
what is the difference between exists and in is that only when i use in i have to bring the field name or what.... i mean in a complex SQL queries is it will give the same answer
Thanks

You get two entirely different result sets that may be the same. Haah! What do I mean by that.
SQL> select table_name from user_tables;
TABLE_NAME
BAR
FOO
2 rows selected.
SQL> select table_name from user_tables where table_name in (select table_name from user_tables where table_name = 'FOO');
TABLE_NAME
FOO
1 row selected.
SQL> select table_name from user_tables where exists(select table_name from user_tables where table_name = 'FOO');
TABLE_NAME
BAR
FOO
2 rows selected.So, why is this? the WHERE EXISTS means 'if the next is true', much like where 1=1 being always true and 1=2 being always false. In this case, where exists could be TRUE or FALSE, depending on the subquery.
WHERE EXISTS can be useful for something like testing if we have data, without actually having to return columns.
So, if you want to see if an employee exists you might say
SELECT 1 FROM DUAL WHERE EXISTS( select * from emp where empid = 10);
If there is a row in emp for empid=10, then you get back 1 from dual;
This is what I call an 'optimistic' lookup because the WHERE EXISTS ends as soon as there is a hit. It does not care how many - only that at least one exists. It is optimistic because it will continue processing the table lookup until either it hits or reaches the end of the table - for a non-indexed query.

What is the difference between TO_CHAR and TO_DATE()?

Hi everybody,
i am facing a problem in my system.It is quite urgent, can you explain me "What is the difference between TO_CHAR and TO_DATE()?".
According to user's requirement, they need to generate a code with format "YYMRRR".
YY = year of current year
M = month of current month (IF M >=10 'A' ,M >=11 'B' , M >=10 'C')
RRR = sequence number
Example: we have table USER(USER_ID , USER_NAME , USER_CODE)
EX: SYSDATE = "05-29-2012" MM-DD-YYYY
IF 10
ROW USER_ID , USER_NAME , USER_CODE
1- UID01 , AAAAA , 125001
2- UID02 , AAAAA , 125002
10- UID010 , AAAAA , 12A010
This is the original Script code. But This script runs very well at my Local. Right format. But it just happens wrong format on production.
12A010 (Right) => 11C010 (Wrong).
SELECT TO_CHAR(SYSDATE, 'YY') || DECODE( TO_CHAR(SYSDATE, 'MM'),'01','1', '02','2', '03','3', '04','4', '05','5', '06','6', '07','7', '08','8','09','9', '10','A', '11','B', '12','C') ||     NVL(SUBSTR(MAX(USER_CODE), 4, 3), '000') USER_CODE FROM TVC_VSL_SCH
     WHERE TO_CHAR(SYSDATE,'YY') = SUBSTR(USER_CODE,0,2)
     AND TO_CHAR(SYSDATE,'MM') = DECODE(SUBSTR(USER_CODE,3,1),'1','01',
          '2','02', '3','03', '4','04', '5','05',
          '6','06', '7','07', '8','08', '9','09',
          'A','10', 'B','11', 'C','12')
I want to know "What is the difference between TO_CHAR and TO_DATE()?".

try to use following select
with t as
(select TO_CHAR(SYSDATE, 'YY') ||
         DECODE(TO_CHAR(SYSDATE, 'MM'),
                '01', '1',
                '02', '2',
                '03', '3',
                '04', '4',
                '05', '5',
                '06', '6',
                '07', '7',
                '08', '8',
                '09', '9',
                '10', 'A',
                '11', 'B',
                '12', 'C') as code
    from dual)
SELECT t.code || NVL(SUBSTR(MAX(USER_CODE), 4, 3), '000') USER_CODE
FROM TVC_VSL_SCH
WHERE SUBSTR(USER_CODE, 1, 3) = t.codeand yes you need check time on your prodaction server
good luck
Edited by: Galbarad on May 29, 2012 3:56 AM

Differences between mcp and mcp t sound

this is all sound sound info direct from a man at nvidia who knows
PLEASE NOTE ONLY MCP2-T BOARD MSI DO AT THE MOMMENT IS THE K7N2G-ILSR
The MCP has no hardware support for audio of any kind, period. Windows and the CPU do all the audio work on that part and there is absolutely no DSP, NVIDIA or otherwise, in that chip to help out. Try to do EAX, any kind of reverb or chorus, or a music preset on those boards and you'll see the CPU usage climb. Ditto if you add more voices to the mix: CPU usage goes up.
The MCP-T has a full hardware audio DSP, hardware acceleration for 2D and 3D streams, and Dolby Digital encode support. EQs, HRTFs, and all environmental settings are exposed and modifiable by the user. None of this is available on the soft solutions due to the heavy hit on the CPU if they were enabled.
Short of that, you can try to use the ASIO or OpenAL drivers. You'll find that neither will work on the MCP because there is no supporting hardware for them. In short, there is no way to coax an MCP to be an APU capable part, the support simply isn't in the chip
Here's the chip differences:
MCP has the following:
- ATA-133 x 2 ports
- USB 1.0/1.1/2.0 x 6 ports
- NVIDIA MAC 10/100 x 1 port
- Legacy I/O bus (PS2, Printer, Serial)
- AC 97 host based audio (no DSP)
MCP-T includes the above and adds the following:
- 3Com MAC 10/100 x 1 port
- 1394A Firewire MAC x 3 ports
- NVIDIA APU with Dolby Digtal Encoder

thats not to say mcp is bad as this proves
The MCP2 is definately hardware sound. As far as the APU goes the only difference between MCP2 and MCP2-T is the T version has Soundstorm(Dolby Digital). Basically Mcp2-T =5.1 digital output capabilities Mcp2 no digital output, analogue output only. The other differences are the T version Has Dual Lan support and a firewire controller which the plain MCP2 does not. Here are my cpu utilization test results from Audio winbench proving that The MCP2 APU is a hardware APU.
http://www.nforcershq.com/forum/viewtopic.php?p=28870#28870
to see the test he ran ,will not copy /paste
MSI K7N2-L Mainboard
Athlon XP 2000+ Retail cooler
MSI Geforce3 TI 200
1Gig (2x512) Kingston pc2700 Ram
Maxtor DiamondMax Plus 9 8meg cache 80 gig
WD 600BB 60 gig
Onboard Nforce 2 APU (no soundstorm
just to explain differences

Difference between concat and concatenation operator ||

Hi,
Most of us may think there is no difference between CONCAT and ||
By looking in the doc, I can read
This function is equivalent to the concatenation operator (||). The function is useful when there are spaces in the values to be concatenated. The concatenation operator does not permit spaces.
<URL:SQL Reference>
I cannot find a query with a difference, can you?
SQL> select 'a '||' b',concat('a ',' b') from dual
'A'||'B' CONCAT('A','B')
a b a bThanks for feedback
Laurent

Thanks APC, this is ok, I understand the platform independance of concat over || . It is also mission impossible to type || on some prehistoric/foreign keyboards/terminals.
I will write in the docu feedback forum that
CONCAT: The concatenation operator does not permit spaces.
concatenation operator: Trailing blanks in character strings are preserved by concatenation
are not clear, or even contradicting themselves.
Best regards
Laurent

What is the difference between != and Logical NOT operator

kindly,tell me what is the difference between Not Equality operator and logical negation operator.
Edited by: user13414134 on Dec 3, 2010 8:59 AM

what is the difference between != and Logical NOT operator The NOT operator is transformed into the inequality operator (<>), as can be seen from the Predicate Information of the explain plan:
SQL> explain plan for select * from dual where :x != :y
Explain complete.
SQL> select * from table(dbms_xplan.display())
PLAN_TABLE_OUTPUT
Plan hash value: 3752461848
| Id | Operation          | Name | Rows | Bytes | Cost (%CPU)| Time     |
|   0 | SELECT STATEMENT   |      |     1 |     2 |     2   (0)| 00:00:01 |
|* 1 | FILTER            |      |       |       |            |          |
|   2 |   TABLE ACCESS FULL| DUAL |     1 |     2 |     2   (0)| 00:00:01 |
Predicate Information (identified by operation id):
   1 - filter(:Y<>:X)
14 rows selected.
SQL> explain plan for select * from dual where not :x = :y
Explain complete.
SQL> select * from table(dbms_xplan.display())
PLAN_TABLE_OUTPUT
Plan hash value: 3752461848
| Id | Operation          | Name | Rows | Bytes | Cost (%CPU)| Time     |
|   0 | SELECT STATEMENT   |      |     1 |     2 |     2   (0)| 00:00:01 |
|* 1 | FILTER            |      |       |       |            |          |
|   2 |   TABLE ACCESS FULL| DUAL |     1 |     2 |     2   (0)| 00:00:01 |
Predicate Information (identified by operation id):
   1 - filter(:Y<>:X)
14 rows selected.

Whats the difference between oracle9i and oracle10g

whats the difference between oracle9i and oracle10g?

794244 wrote:
whats the difference between oracle9i and oracle10g?About 12...
SQL> select utl_match.jaro_winkler_similarity('oracle9i','oracle9i') as sameness from dual;
SAMENESS
100
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88
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What is the difference between cumulative and non cumulative keyfigures?

Hi Friends
What is the difference between cumulative and non cumulative keyfigures, when we r using the cumulative and non cumulative
Regards
Ravindra

Hi Ravindra,
Have a look at the help:
http://help.sap.com/saphelp_nw2004s/helpdata/en/8f/da1640dc88e769e10000000a155106/frameset.htm
http://help.sap.com/saphelp_nw2004s/helpdata/en/80/1a62f8e07211d2acb80000e829fbfe/frameset.htm
Go through these.
Re: Types of non-cumulative keyfigures
http://help.sap.com/saphelp_nw2004s/helpdata/en/8f/da1640dc88e769e10000000a155106/content.htm
See the following threads
non-cumulatives KF in reporting
Re: use of non cumulative keyfigure
Re: When do we use Non-Cumulative values?
Key figures:
1. Cumulative Vaules
2. Non Cumulative Values
Cumulative Values:
Cumulative Values are Keyfigures for which Keyfigure Values are must posted in every time unit that reported on (= time period specific Values).
Example:
Revenue
Non Cumulative Values:
Non Cumulative Values are Keyfigures for which KeyFigures are only evaluated for selected time Periods.
Cumulative Keyfigures With Exception Aggregation:
It's a 'normal' KF (with summation, min or max as aggregation behaviour), but you set some exception in this behaviour...for example, you can say that a KF, normally aggregated by 'summation', have to show the max value (or the average, or '0' or something else), that is the 'exception aggregation' when you use it in combination with 0DOC_DATE (or other char), that is the 'exception aggregation char reference'...in this case OLAP processor give to you the possibility to see your KF with different behaviour depending from you use 0DOC_DATE (in our example, MAX) or something else (SUMMATION).
Non Cumulative keyfigure with Associated Single Delta:
If you have a stock KF that is fed from only one (other) movement KF that can assume positive and negative sign.
KF1 (initial) STOCK (non-***.) = 100
KF2 flow = -30
KF2 flow = 70
KF1 (final) STOCK (non-***.) = 140
Non-cumulative key figure with associated in and outflow:
This is the case of 2LIS_03_BF KF stocks fields.
Here, we have the same situation in point 2, but you will have not only ONE flow KF, but TWO, one dedicated to in and another one dedicated to out !
You have to use this scenario if you have no KF that have positive and negative sign, but two KFs each one representing positive (in) and negative (out) logical sign!
KF1 (initial) STOCK (non-***.) = 100
KF2 (out))flow = 30
KF3 (in)flow = 70
KF1 (final) STOCK (non-***.) = 140
Website Addresses For Non Cumulative KeyFigures:
http://help.sap.com/saphelp_nw04/helpdata/en/80/1a62dee07211d2acb80000e829fbfe/frameset.html
http://help.sap.com/saphelp_nw04/helpdata/en/82/f2dc37f0f12313e10000009b38f8cf/content.html
http://help.sap.com/saphelp_bw31/helpdata/en/82/f2dc37f0f12313e10000009b38f8cf/content.html
http://help.sap.com/saphelp_erp2004/helpdata/en/d2/e0173f5ff48443e10000000a114084/content.html
Re: Non-Cumulative keyfigure example
Re: Types of non-cumulative keyfigures
/community [original link is broken]
http://help.sap.com/saphelp_bw32/helpdata/en/80/1a62dee07211d2acb80000e829fbfe/frameset.html
/community [original link is broken]?forumID=131&threadID=29557&messageID=273049
/community [original link is broken]?forumID=131&threadID=111914&messageID=1248243
Check this very useful docu.
https://www.sdn.sap.com/irj/servlet/prt/portal/prtroot/docs/library/uuid/93ed1695-0501-0010-b7a9-d4cc4ef26d31
****Assign Points If Helpful****
Regards,
Ravikanth

Difference between, E8000 and E6000 (intel)

i currently have AMD dual core and intend to go to intel 45nm E8000 , i would like to know the major difference between E8000 and E6000 intel cpu. i do know E8000 is more efficient but is it also true that E8000 can do multitasking or multi-thereading while E6000 series can not. many thanks
1-Motherboard MSI 7025 K8N Neo2 Platinum Chipset nForce3-250Gb/Ultra
2-CPU AMD Athlon Dual Core 3800X2
3- Graphic card (MSI FX5700) nVIDIA GeForce FX 5700
4-Memory 2 X1 GB DDR 400 DIMM Kingston
5-HDD Maxtor 6Y160M0 (160 GB, 7200 RPM, SATA
6- OS Window XP Prof sp2
7-power supply Be Quite BQT- P5-420W

Quote from: kourosh on 10-April-08, 20:01:15
thanks A LOT Aaron,that is some comfort but Please tell me a few notable enhancement, i had a look at intel site but it could not tell any a mjor difference i wonder if you can, many thanks
Some of the differences are:
Die shrink from 65nm to 45nm; it is more energy efficient (i.e. it should use less power); it has a larger level 2 cache and it should run a little cooler then the E6000 series. Also reviewers have said that they are running about 5 to 15% faster clock for clock compared to the E6000 series.
Downside right now is that they are in short supply and priced higher then expected because of it.
Psy

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