Whats the difference in install types as far as HDD space? (LEOPARD)

Does an "Upgrade" take up much more space on the HD than an "Archive and Install"? Does any body know how many GBs each one takes? And if I was to do a total format then "install" how much less space would that take?
Thanks for your information guys!

An Archive and Install takes up the most disk space (because it archives items rather than replacing them). An Erase & Install takes up the least space, but migrating items from a backed up copy of the old drive afterwards (required if you don't want to lose everything!) will use a variable amount of space, depending on what you migrate from the old to the new drive. An Upgrade install is somewhere in the middle, more than an Erase & Install without migrating anything but smaller than an Archive and Install.
The actual number of GB involved depends on what install options you choose (like opting to install various printer & language support packages), the type of install (Update, A&I, etc.) & the hardware (PPC or Intel Mac), but plan on no less than about 4 GB, plus whatever temporary scratch space the installer will use during the install process.
Additionally, you should try to keep around no less than 10% of the drive's capacity free for use by the OS for its own temporary files & file system housekeeping chores once the install is complete. Some of this space will be reused from the old install if doing an Upgrade or A&I, but not from an E&I.
As you can see, there is no one definitive answer.

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Hi,
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thanks
Yatan

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hi, experts,
would you please summarize what the difference between table control and alv base on the function and usage practice.
for example, as i know:
1.edit
tc: can edit in the same screen and save.
alv: pop up a sub screen to let user edit, so this is unconvenient.
2.functional button
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3.color
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Message was edited by:
liu shaochang

ALV Grid is basically used for display puropse. It is more user friendly. There are arious features ( such as coloring, sorting, saving to a local file, sedning by mail etc. ) These featurs make ALV Grid a very good option to display the data .
However , the table control is not only used to display data take from the database table, but also you can do operation such as deletion of data from database table, insertion of data into the database table and updation also. Yeah it has not got the various features whihc ALV has.
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As far as execution is concerned, I think ALV Grid is faster.
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Hi,
Experts,
I have came accross 2 cases that i can't able understand
EX1:
TABLES: VBAP   -
>( Here also Appplication Server(AS) creates Wrokarea of Structure VBAP but, by
data: v_vbeln like vbap-vbeln.    double clicking on variable v_vbeln AS taking me to DDIC VBAP table VBELN field then what the using declaring tables. )
( and )
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Then Which one is better in Functionality wise as well as Performance wise or when we have to go for TABLES and when we have to go for DATA declaration of DDIC objects.
EX2:
what the difference between
I know that SY_REPID is not a system variable. And also that
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and
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Thank U,
Shabeer Ahmed.

Hi Ahmed,
TABLES:
VBAP.   " DDIC
DATA:
v_vbeln like vbap-vbeln.
*Here you are using the DDIC VBAP
DATA:
VBAP TYPE VBAP.
DATA:
vbeln like vbap-vbeln.
*Here you are using the local data object as your data type so it will always
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DATA:
T_VBAP TYPE VBAP.
DATA:
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* here its using T_VBAP not DDIC VBAP
And for performance always the second option is better, use Data instead of tables, declare your own local structure.
Data:
vrepid type SY_REPID. thereis nop redefined data type in ABAP as SY_REPID
* its SY-REPID which is a system variable.
Data:
vrepid type SY-REPID.
Also refer to the links:
Difference between tables statement and by using type statement
for type and like:
Re: LIKE and Type in abap statements
With luck,
Pritam.

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Hi Gurus,
I have been wondering on whats the difference when creating GENERIC Data Sources:
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2.) Master Data
Pls. dont give an answer like (A Master Data Generic Data Source is used to populate Master Data Info Objects and Transaction data Sources are used to populate ODS and CUBES.)
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--Jkyle

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regards
Siggi

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thanks,
edison

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HI GURUS
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hi sharma,
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Whats the difference between arrayCollection = null and
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