Questions in partial key matches of Btree

Hi,
For Btree access method, partial key matches and range searches can be done through cursor with DB_SET_RANGE flag specified. It will return "the smallest record in the database greater than or equal to the supplied key". Seems it only support range searches like ">" or ">=". If I want to do range searches like "<" or "<=", what shall I do? Does BDB support them?
Thanks!

Sorry, I made a mistake. The cursor is just a position. Only if I reached a correct position, I can move the cursor forward or backward freely.

Similar Messages

How about use partial key to loop at a hashed table?

Such as I want to loop a Internal table of BSID according to BKPF.
data itab_bsid type hashed table of BSID with unique key bukrs belnr gjahr buzid.
Loop at itab_bsid where bukrs = wa_bkpf-bukrs
and belnr = wa_bkpf-belnr
and gjahr = wa_bkpf-gjahr.
endloop.
I know if you use all key to access this hashed table ,it is certainly quick, and my question is when i use partial key of this internal hashed table to loop it, how about its performance.
Another question is in this case(BSID have many many record) , Sorted table and Hashed table , Which is better in performance.

You can't cast b/w data reference which l_tax is and object reference which l_o_tax_code is.
osref is a generic object type and you store a reference to some object in it, right? So the question is: what kind of object you store there? Please note - this must be an object reference , not data reference .
i.e
"here goes some class
class zcl_spfli definition.
endclass.
class zcl_spfli implementation.
endclass.
"here is an OBJECT REFERENCE for it, (so I refer to a class) i.e persistent object to table SPFLI
data oref_spfli type ref to zcl_spfli.
"but here I have a DATA REFERENCE (so I refer to some data object) i.e DDIC structure SPFLI
data dref_spfli type ref to spfli.
So my OSREF can hold only oref_spfli but it not intended for dref_spfli . That's why you get this syntax error. Once you have stored reference to zcl_spfli in osref then you will be able to dereference it and access this object's attributes.
data: osref type osref.
create object osref_spfli.
osref = osref_spfli.
"now osref holds reference to object, you can deference it
oref_spfli ?= osref.
osref_spfli->some_attribute = ....
OSREFTAB is just a table whose line is of type OSREF (so can hold multiple object references - one in each line).
Regards
Marcin

How can I make a fill-in-the-blank question with partial score?

I need to make an evaluation test with some questions. Some of them is a fill-in-the-blank question and it has to have partial score.
I have:
4 fields (text entry boxes) with: retain text, validate user input;
also checked include in quiz, with points, add to total and report answers;
an action that disables the 4 fields when the student is on review mode (otherwise it would be possible to change the answer after submitting the answers);
Problems:
I can't give feddback to the student: if i turn on success/failure captions the student will see them while answering, if i turn them off he wont know what's the right answer. I tried to use a shape to hide captions but the captions are always in front of the shape;
When reviewing the test something happens and the second time we see the results slide it assumes that the fields in the FIB question are empty;
Notes: it will be used in Moodle, as a scorm package
What can I do?

I have a test with some questions (multiple choice, FIB, matching, etc). I have just one button to submit all the answers, and after submiting the student can see his score and review the test to know where he failed. He can't answer again. However, he can change the answer multiple times before submiting.
"if i turn on success/failure captions the student will see them while answering" - before submitting
"if i turn them off he wont know what's the right answer" - after submitting
My results page is the default. I didn't use any variable. When i go to the results page after reviewing the test all the entry boxes are "wrong".

Windows 7 not genuine, Have partial key code

I keep geting this message that WIndows & is not genuine. I know it is, however I recently had my hard drive replaced.
I have a partial key code and my Computer name is HP Pavilliaon P6000 Series, Model #P6823B
The Partial key code is: 73CQT-WFM7J-3Q6C9. Now if you can kindly give me the rest of it (ASAP)!!!!!! I would greatly appreciate, I have a lot of work to finish and I need this fixed (NOW)!!!!!!!!
Anita De Lois

This is NOT official HP Customer Support and I, as most other persons on this forum, do not work for HP. This is a peer-to-peer user supported forum for HP consumer class products. HP maintains no official presence on this forum. It is unlikely that HP will respond in an official capacity. Any reply from an HP employee represents their own opinion and not that of HP's.
Neither HP nor Microsoft maintain a record of the Windows product key for your computer. Additionally, neither HP nor Microsoft will provide you with a replacement product key.
When requesting assistance, please provide the complete model name and/or product number of the HP computer in question. HP/Compaq makes thousands of models of computers. Without this information it may be difficult or impossible to assist you in resolving your issue.
The above requested information can be found on the side, back or bottom of your computer. Please do not include your serial number. Please enter the model/product information into HP's Online Consumer Support page and/or post it here for our review.
Assuming you meant you have an HP Pavilion p6823w Desktop Computer, the easiest way to return Windows to "Genuine" is to order an HP Recovery Disc set. Please see DVD - Windows 7 64b 11NA2MRW601 SP1 + Supp 1 Recovery Kit or contact HP Customer Support to order the HP DVD Recovery Kit for your computer. Once you have this set of HP Recovery Discs, insert disc #1 into the DVD drive and reboot the computer. After the restoration is complete, your computer will have been returned to a "factory like state."
If you have any further questions, please don't hesitate to ask.
Please click the white KUDOS star to show your appreciation
Frank
{------------ Please click the "White Kudos" Thumbs Up to say THANKS for helping.
Please click the "Accept As Solution" on my post, if my assistance has solved your issue. ------------V
This is a user supported forum. I am a volunteer and I don't work for HP.
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Update/Insert key matching

I've got a table in OWB that has a surrogate key as the unique key and the natural key (matching the source data) as part of the orginal key and a lookup value that's part of a dimension in OWB.
I'm trying to figure out how to get OWB to match data to do an update/insert on the incoming data, but I keep getting VLD-2780 errors (saying that it can't update the surrogate key because it comes from a sequence). Duh..
The short of it is this:
Source_Table (key_part1, key_part2, key_part3)
Dest_table (surrogate_key, key_part1, dimension_key)
The dimension key is obtained from a key_lookup using key_part2 and key_part3 to return a single dimension key.
I have a PK on the surrogate key and a unique key on key_part1, dimension_key in the DEST table. The source_table has a PK across all three columns.
What's the proper way to tell OWB how to match data between teh two tables for an update/insert?
Thanks!

Hi!
Make sure to have the following properties set correcty in the mapping editor:
For the target table: "match by constraint" : choose the key yo want to use or "No constraints" if you do not wish to use any key.
For each attribute of the target table:
Loading properties:
Load column when updating: no for your matching fields, yes otherwise
Match column when updating: yes for your matching fields, no otherwise
Load column when inserting: yes
Load column when updating must be no for the primary key!
Regards,
Carsten.

Partial Key Selects

Hi everyone
I am aware that when writing a select statement it is preferable to have all the PK fields in the where clause and failing that to have as many of the leftmost key fields as possible. However, I have a situation where I am only interested in finding records based on seperate parts of the key. For example, I have a table with PK fields PK1, PK2, PK3, PK4 and PK5. I am able to provide data in the where clause for PK1, PK2 and PK5, however, for PK3 <b>all</b> of the records contain 0 and while different records contain different data for PK4 I do not want to restrict the select on this field.
I have come up with the following options but do not know, which is the best in terms of performance:
1. Create a new index on the PK fields I an interested in
2. Provide the Where clause with:
   2.1 - PK1, PK2 and PK5 only
   2.2 - PK1, PK2, PK3 = 0
   2.3 - PK1, PK2, PK3 = 0, (PK4 = X OR PK4 = Y etc), PK5
   2.4 - PK1 and PK2 only
Can anybody help? Options 2.2 and 2.4 will obviously require some further processing on the itab to handle the PK5 field. I don't believe 2.4 will cause a full table scan but I'm not so sure about 2.1. Also, is it better to include a PK in the where clause even if all data for it is required (option 2.2 and 2.3). I would rather avoid creating a new index if possible.
Thanks in advance
Andy

Thanks VJ
I have both used ST05 and done some run-time analysis of the program and it looks as if this is the best option. Using the full key takes about twice as long as the split, partial key option. This in turn is slower than just using PK1 and PK2 but not by much so I'm prepared to take the performance hit on that! I find it strange that using most of the key actually causes a deteriation in performance. I can only guess that it is to do with the selectivity of the data. Since there didn't seem to be many ditinct values in most of the key columns I guess the overhead of using the full key outweighed any search performance gains.
Thanks again to everyone for you advice.
Andy

Query to group by based on partial count match

Dear experts,
Here is a challenge question.
I have a table a on Oracle 11i – this is how it is defined.
desc a
Name Null Type
STORE_NUMBER NOT NULL CHAR(9)
ASSORTMENT_NUMBER NOT NULL CHAR(9)
ITEM_NUMBER NOT NULL CHAR(9)
DESCRIPTION CHAR(1000)
UPC_CODE NOT NULL CHAR(15)
STOCK_FLAG CHAR(1)
AVG_RTL_PRICE CHAR(16)
SALES_MOVEMENT CHAR(16)
PROD_STYLE CHAR(50)
COLOR CHAR(50)
ATT_1 CHAR(50)
ATT_2 CHAR(50)
ATT_3 CHAR(50)
ATT_4 CHAR(50)
ATT_5 CHAR(50)
ATT_6 CHAR(50)
ATT_7 CHAR(50)
ATT_8 CHAR(50)
ATT_9 CHAR(50)
ATT_10 CHAR(50)
ATT_11 CHAR(50)
ATT_12 CHAR(50)
ATT_13 CHAR(50)
ATT_14 CHAR(50)
ATT_15 CHAR(50)
25 rows selected
Primary Key as Store_number, Assortment_number, item_number. Therefore, for a particular assortment number, one store will have no two records of the same item_number.
Now, I want to add some more custom conditions to my extract from this table; we are doing this manually on an xls file by applying some formula. Wondering if we can do this by a sql query.
Here are the conditions –
1.     From table a, for any particular assortment_number, count of items belonging to a store. E.g –
Count of items     Store_number
5     1011
7     1022
23     1033
12     1044
2.     This is more challenging. From table a, for stores with the same count of item_numbers, list down the store numbers which have the same count of items and same items in the set under them. E.g – as below.
Count of items     Store_number     Item_number     Match Indicator     Matching Stores
5     3     123|12|1234|12|1     N
5     24     123|123|123|123|123     Y     22|234
5     21     123|451|2341|234|5100     N
5     22     123|123|123|123|123     Y     24|234
5     456     123|12|1|2|3     N
5     234     123|123|123|123|123     Y     22|24
3     45     12|123|12     Y     222|150
3     432     21|34|56     Y     123
3     222     12|123|12     Y     45|150
3     123     21|34|56     Y     432
3 150 12|123|12 Y 45|222
The above table may get positions shifted to its left due to formatting.
Appreciate your time and effort.
Thank You.

create table tmp_storeaggbyitem as
select
ltrim(trim(a.store_number),0) as store,
ltrim(trim(a.item_number),0) as item
from guide_pog_item_mstr a
where ltrim(trim(a.assortment_number),0) = '25571'
)Sample data in the table looks like this -
Store          Item
49               59310
49               59315
49               59114
49               59295
63               59310
63               59315
63               59314
63               59308
138             59310
138             59315
138             59114
138             59295
174             8399
174             6132
174             6129
174             6137
174             6175
270             8399
270             6132
270             6129
270             6137
270             6175
343             8399
343             6132
343             6129
343             6137
343             6175Here is the result set I am looking for -
Store        Count of Items        Item                                                   Matching Stores
49                    4                 59310|59315|59114|59295                    49|138
63                    4                 59310|59315|59314|59308                    None
138                  4                 59310|59315|59114|59295                    49|138
174                  5                 8399|6132|6129|6137|6175                   174|270|343
270                  5                 8399|6132|6129|6137|6175                   174|270|343
343                  5                 8399|6132|6129|6137|6175                   174|270|343
.....Which version of the database are you using? The LISTAGG fucntuion (which is avaialble in Oracle 11.2, but not in 11.1) might be helpful here.
>
We are using Oracle Enterprise Edition 11.2.0.1.0 - 64 bit
Pl/Sql release 11.1.0.1.0
>
Why are you using the CHAR datatype instead of VARCHAR2? It may have nothing to do with this prolem, but it will cause other problems.
>
Agreed. I asked the same to my design team I inherited this table from. We are working out on the new table soon.
Thanks, Sanders.

Question about the key of loops

I am reading the logic getting started book
and they say there are two type of loops
audio files and software instruments.
in the book it says:
"the advantage of apple loop audio files is their ability to automatically match the tempo and key of a logic project"
is that possible an audio file being able to change key to the key of your project?? how about if the audio loop is a guitar strum strumming a C chord, it is able to switch the strum to a D chord, F chord, etc...?? how does that work??
sorry if this is a stupid question
I can understand how the software instrument loops would be able to change to match your project because they are midi and the midi notes can just be transposed to whatever Key, chord, etc....
please explain if you know i will really appreciate it
Thanks

wow that is crazy i can't believe it is able to transpose audio loops (not midi) to different keys. especially stuff with more then one note playing at the same time like guitar strum.
I know how to set up the key in logic and change it etc... i was really wondering how it is capable of doing this?? does it have some kind of melodyne or autotune built in to it?? i never heard of software being able to do this with pre recorded audio that plays more than one note at a time.
Message was edited by: smurffy

Some basic questions about foriegn key , and relationships.

Hi
Thank you for reading my post
I read some documents about foreugn key and tables relation ships.
but i still can not understnad some stuff.
1-when we have a foreign key , we have two tables that we want to relate them together
in a way that one of ? table columns forced to be a value from ?? table column.
what is name of those two tables , i saw , child-parent , ..... which confuse me.
can some one please tell me correct name of those two tables ?
2-some times we need some kind of master details relation like :
one-to-many : i this case MANY table will have a column to point a record in ONE table , can this relation be a foreign key relation ?
3-we can achieve many-to-many relation only by using a helper table to host both tables primary keys in a record to relate them together.
can you point me to some resources that help me to find answers to this questions ?
or explain them to me ?
thank you for your time.

These are critical database basics that you need to understand. I would seriously recommend getting some study in, because proper relational database design relies on the basic principle of data and relationships and a process called normalization.
In reality, you only really need one gigantic table to host data. It would include everything you would want to know about something - let's take a sales order for example. You would have to record the customer's name, address, etc. along with every item they ordered, etc. You would have a HUGE table full of data that appeared over and over and over again. This is bad design for two basic reasons: it is difficult to query, and it is very easy to have minor mistakes like capitalization or alternate spellings that prevent things from matching up properly. For example, let's say Bob orders 40 widgets and 40 digits. In our hypothetical table, we could put it in as Bob - 40 widgets and Robert - 40 digits. See how confusing this can get even in a simple example? And let's say you wanted to correct all of Robert's orders to say Bob and you found out there were 40 orders from "Robert" How would you know which ones to change?
The process of normalization helps to reduce the chance for these types of errors in addition to creating a good basis for indexes. You normalize the data by creating sets of parent/child tables with a "key" value to match them. In our hypothetical situation, you could create a table for orders and a table for customers. In the customers table you give all the detail for the customer in one place, and you assign each customer a unique number or ID. In the orders table we add the customer ID (NOT the name) and we ensure that we are getting the customer we want, in addition to saving a lot of space and eliminating redundancy. In our example, the customers table is the "parent" table and the orders table is the "child" table. The child table references the unique entries in the parent table via that id. That reference is referred to as a foreign key. The foreign key in the child table points back to the original and complete record in the parent table and eliminates the redundancy of keeping all that extra data for every order. Foreign keys in child tables always refer to a primary/unique key in the parent field.
That help?

Newbie Question: Correlation when no matching elements exist

I have a request with an order number that gets sent to another BPM for a lookup. If the order number exists, the called BPM responds with returnCode=0 and the list of order contents (along with the order number).
However, if the order number does not exist, the called BPM returns just one element returnCode=1 and nothing else.
How can I create a correlation in this situation? One simple solution might be to change the response to include order number whether the order exists or not.
But, I am wondering if XI (3.0 SP13) has any other way of generating its own correlation-ids or keys (pardon my usage of terminology if it's incorrect) - instead of depending on defining the matching elements in the involved messages?
Thanks,
Badari

Hi,
there's only one way:
you need to send it and receive it
you can either you the order number
in request and response
or you send a guid (which you can generate youself
in the mapping)
but it will have to go as order number
in request and response
so it's more or less the same
but you need to create the GUID aditionally
Regards,
michal
<a href="/people/michal.krawczyk2/blog/2005/06/28/xipi-faq-frequently-asked-questions"><b>XI / PI FAQ - Frequently Asked Questions</b></a>

Question about reconciliation key

Hello,
I've got a reconciliation question that I feel is pretty simple, but I can't find the answer. How can an entry fetched from target recon be associated with a user in OIM? I initially though that it was the value of the "key" fields in the reconciliation filed mapping that was compared with the value of the users in OIM, but upon closer inspection, that doesn't make any sens. For instance, the AD reconciliation field mapping only has the "objectGUID" as a key. Since OIM users don't have objectGUIDs, how can an AD account be matched with a OIM user?
This seems really basic, but I just can't find an answer...
Thanks,
--jtellier

You need to look at the reconciliation rules and reconciliation Action rules . For eg , is the recon rule is User Login equals samAccountName , then upon target reconciliation , OIM recon engine will search in OIM for a matching user with user login same as samAccountName and if a match is found , a AD resource will be provisioned to the user with ObjectGUID as the primary key .
http://docs.oracle.com/cd/E11223_01/doc.910/e11217/cnnctrcmpnts.htm#autoId9
http://docs.oracle.com/cd/E11223_01/doc.910/e11217/processes.htm
Hope this helps .
Thanks
Suren

Questions before subscribing to Match

I am very obsessive when it comes to organization of my files. I have the options of "keeping the itunes media folder organized" and "copy songs to iTunes Media" unchecked and all my music is inside several folders outside the iTunes Media folder.
So, from what I've been reading, iTunes Match is **** for obsessive people like me. It seems that itunes Match downloads the songs and organize them by the default iTunes way which is creating thousands of folders inside iTunes Media. Fine, I can waste days organizing them again. My first question is:
1. If I download a song it will be inside the iTunes Media folder, but then I can drag it to any folder I like and still be synchronized in the future? iTunes Match won't relocate the song or download another version of it to the iTunes Media if it doesn't find it there, right?
I have some classical music in my library. From what I've read Match searches for the songs by audio, not by tags, which I suposse I'll be having a hard time getting the right matches for classical albums.
2. If there is more than one possible match, will iTunes ask me wich one of them is the right one?
3. If it downloads a song that is not the same version that I have, can I know wich version is downloading so I can update the metadata? It seems that it will keep the previous metadata even if the downloaded song it's not the same so I don't know if there is a way to know exactly wich version was downloaded.
I want to keep synchronized my iMac at work with the changes I make at my home, and I want to have the files in the computer, not streaming. I have no problems with downloading my songs at home, but at the office is a different story.
4. If I back up my library at home and restore it at work, will Match recognize those songs as the same in the cloud so I don't have to download them again and still be synchronized if i change the rating for example?
My english is not very good so I don't know if my questions are properly written, sorry. If you want me to be more specific please tell me.
Thank you.
Alejandro.

I can't answer everything, but I can tell you that the matching process is very cautious. Only confident matches will come up as "matched." Everything else will be uploaded. Even if you have a song that's in the iTunes Store but that match isn't confident about, it will be uploaded, not matched.
Match uses the audio. The metadata doesn't matter. You can have Singin' in the Rain labeled as Rapper's Delight and it will match Singin' in the Rain. On another device setup with your iTunes Match account, it will download Singin' in the Rain and label it Rapper's Delight, just like you had it.
You likely won't match a lot of classical music, but it will simply get uploaded and distributed back to you that way, rather than being "matched" and downloaded from the iTunes Store.
You will never be asked when uploading which match it the right one. Either Match is confident it's right and matches it, or your song gets uploaded (again, even if it could have been matched and is in the iTunes Store, it gets uploaded). Likewise, when downloading, you will never have an issue with downloading the right version because it was either matched correctly, or it's your own file that was uploaded.
Your iTunes Library file will link the media in the cloud to a unique ID in your database entry. You can change everything about database line "550e8400-e29b-41d4-a716-446655440000" (for example) and iTunes will still know which media file in the cloud belongs with that entry, even if you changed the name, the rating, the play count, the artist, the comments, etc.

A question about foreign key to multiple tables

Hello everybody,
I have a question about creating foreign key and I would appreciate if you could kindly give me a hand. Here are my tables:
CREATE TABLE TEAM1(team_id VARCHAR2(20), project_id VARCHAR2(20));
ALTER TABLE TEAM1 ADD CONSTRAINT PK_TEAM1 PRIMARY KEY(team_id);
CREATE TABLE TEAM2(team_id VARCHAR2(20), project_id VARCHAR2(20));
ALTER TABLE TEAM2 ADD CONSTRAINT PK_TEAM2 PRIMARY KEY(team_id);although the structure of both the tables is exactly the same, the values (in particular team_id) in both tables are different.
Also I have another table named AGENT
CREATE TABLE AGENT(agent_id VARCHAR2(20), team_id VARCHAR2(20));
ALTER TABLE AGENT ADD CONSTRAINT PK_AGENT PRIMARY KEY(agent_id)Now the problem is that the column team_id in AGENT table is actually a foreign key, but the value can be in either TEAM1 or TEAM2. As far as I know a foreign key points only to one table.
How can I deal with this problem? Whenever there is an INSERT or UPDATE I have to make sure that the value of the column "team_id" in the table "AGENT" is a valid value either in "TEAM1" or "TEAM2"
Thanks in advance,
Kind Regards,
Dariyoosh

Do you have the ability to change the data model? If so a more appropriate structure may be something like this:
CREATE TABLE TEAM(team_id VARCHAR2(20), team_name VARCHAR2(20));
ALTER TABLE TEAM ADD CONSTRAINT PK_TEAM PRIMARY KEY(team_id);
ALTER TABLE TEAM ADD CONSTRAINT UK_TEAM UNIQUE (team_name);
CREATE TABLE TEAM_PROJECT(team_id VARCHAR2(20), project_id VARCHAR2(20));
ALTER TABLE TEAM ADD CONSTRAINT PK_TEAM_PROJECT PRIMARY KEY(team_id, project_id);
ALTER TABLE AGENT ADD CONSTRAINT FK_TEAM_PROJECT1 FOREIGN KEY (team_id) REFERENCES TEAM(team_id);
CREATE TABLE AGENT(agent_id VARCHAR2(20), team_id VARCHAR2(20));
ALTER TABLE AGENT ADD CONSTRAINT PK_AGENT PRIMARY KEY(agent_id);
ALTER TABLE AGENT ADD CONSTRAINT FK_TEAM FOREIGN KEY (team_id) REFERENCES TEAM(team_id);Edited by: Centinul on Jun 25, 2010 10:50 AM

Curious question about tab key selecting?

I'm not sure how to word this query so try to bare with me.
I sometimes use the tab key to select the next file or folder instead of the arrow keys, but I've noticed that when I have a series of folders and/or files that are in numerical order, the tab key doesn't select the files and folders in the order that they are listed it selects them in a order that is similar to alphabetical order.
Such as this:
This is an example of the file names and the numerical order they're listed in:
9
28
29
30
40
300
2006
2025
A
This is the order the tab selects the same files:
2006
2025
28
29
30
300
40
9
A
If the 9 file is selected then I hit tab key to select the next file, the next files selected is A it will skip over the other files. The arrow Keys don't do this.
My question is why is this the case?
Not really a big deal but I was curious why it does that.

You are correct for the use you've described - using tab in list view, also in icon view. The tab key moves in alpha-numeric sequence but the numeric is by 1st numeral, 2nd numeral, etc if two or more have the same first numeral not by total number size.
The arrow keys are essentially directional. In icon view you use L/R to move to the next item and up/down to move vertically.
This is the standard use but individual applications use these keys differently. In a table/database it's common for the tab to move from cell to cell and the arrow keys to move through the characters in a cell but even these can depend on the particular software package.
This is all part of the learning curve for computer users!
Neville

Question on WEP key configuration

Hi Guys,
I am following a configuration example to test WEP with open authentication configured on an Autonomous mode AP. I have noticed that when I configured a 40 bit key with value "abcdef0123", the client could not connect to the network (not getting a valid IP address), however if I change the key to "ABCDEF0123", then both of the clients are connected without any problem. I have tested this wtih windows XP and 7, both gave me the same result.
Initially I did not think this could be a problem after checking the keys configured on the client and AP, however when I go to the network and sharing center in windows 7, I noticed that after configuring the SSID and open it again, all the letters contained in the key became upper case, I have configured both supplicants with key "abcdef0123" to start with, however it became "ABCDEF0123" for some reason.
looking through the configuration guide I could not find anything related on this topic, did anyone noticed this problem before and is this an expected behavior?
Thanks in advance for your time and help.

First question ... Why on earth would you be configuring WEP with windows xp/7 clients ? go for WPA or go for open, but WEP makes very little sense.
Second, normally WEP is based on hexadecimal value, so lower or upper case is irrelevant since a letter a->f just represents a number. So the AP representing them as upper case makes no difference, it's anyway a number behind it. The problem must reside on the client who doesn't know if you are typing an ascii or a hexadecimal key ...
Nicolas

Questions in partial key matches of Btree

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