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I don't know much about SAP but I need the annual sales (the total amount of what was sold in a certain year) for DSO calculation. In which SAP table is this stored? VBAK?
Also for this calculation the accounts receivables (all payments that were not paid by customers in the fiscal year) is needed. I use BSID and BSAD tables, is that correct?
I hope someone can help me. Thank you!
There are many standard SD reports which fit your needs. For accumulated sales data you can use MC+E and MC+2 which refers to invoiced sales and per-customer aggregated sales correspondingly.
Also you can inspect VC/2 standard report which represent customer fact sheet data including account receivables
What concerns particularly receivables, there is a good transaction S_ALR_87012167 which also includes DSO analysis for receivables as well as evaluation by different metrics.
What concerns the tables, this data lays in multiple tables including VBAK, VBAP, BSID, BSAD, etc., so it wouldn't be easy to grab them manually. You should analyze the code of corresponding transaction to reveal how it calculates the data.
I'd rather stick to extracting data directly from transaction, rather than digging into the tables, as you may just repeat the efforts (aka reinvent the wheel) that SAP put into developing these standard reports.
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I am currently making documentations in regards to my finished product, however I do not understand what the question wants by asking for:
Qualitative assessment of performance
Quantitative assessment of performance
A qualitative assessment of performance is a assessment which doesn't use specific measurements but compares the performance with the expectation or needs of the user. So something like:
The performance of the import is low, but acceptable for the intended use.
reaction of the application to user input most cases so fast, that no waiting time is perceived.
A quantitative assessment is based on measurements:
The import processes 1 million records per hour
98% of all user interactions are processed withing 0.2 seconds
Also more detailed information like standard deviations or plotting a measure with regards to some variable, would be a quantitative assessment.
Note that both assessments are important. The quantitative is great for comparisons, for example if you want to compare the performance of two versions of an application.
The qualitative is what really matters. In the end it often doesn't matter how many millions or records you process per ms. The question is: Is the user satisfied, and in most cases the user doesn't base their feelings on some measurement, but on ... well ... their feelings.
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We are designing a dimensional model for an IT support business. There are cases (some call them tickets or incidents) with different statuses (feels like an SCD type II dimension)
We also need to consider the count of cases and SLA time duration as measures.
Before going into detailed design, I reviewed Kimbal's data warehousing toolkit but couldn't find a matching business for our project. Are there any references for a dimensional model for this type of business
From your limited information it sounds like you want to model as an accumulating snapshot fact (as well as a transaction table). See Insurance claim processing pipeline in Kimbal's The Data Warehouse Toolkit.
It would only be a Type II SCD if the dimension entries were being updated, which in your described case they are not (you are updating the Fact table)
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In the case of payment gateways, if the gateway is US-based and can only charge in dollars, but can charge foreign debit/credit cards, and you want to act on countries where the currency is not USD, and you can't/do not want to apply for a local payment gateway, what could you do, programming-wise?
I was thinking about converting the amount in USD to the the specific currency. Problem is:
I don't know where to get real-time accurate exchange-rate data
Not sure if I get the data from somewhere, if the client's card processor will actually charge that exact price
Do you guys know any best-practices for that? I think another way would be to just charge in dollars, and then let the client know that approximate amount in his/her local currency, but again, I'm not sure where to get an updated currency conversion.
Does any of you have gone through a similar scenario?
PS.: Paypal is not an option.
Any hints appreciated!
Currency conversion takes place by your customer's bank, so there's unfortunately no central market through which you can even make estimates.
There are some APIs that you can use to make an estimate, though it's mostly just a guess. If you use one of these, I would make sure to make it clear to your customers that the price may vary depending on their bank.
Overall, I've found the best practice is just to display your prices in the supported currency (e.g., USD) and mention to your customers that it might vary. As we continue to expand internationally, you can take advantage of our local currency offerings to make more exact charges.
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There are several posts on SO that point to sources for downloading historical stock quotes, but these are all for currently listed symbols. The resulting dataset suffers from survivorship bias. Is there any source of all historical data, including delisted companies, preferably for free/cheap? I've found a few sources, but they're usually hundreds of dollars or more, require installing using some Windows client software, or just are on sketchy-looking websites. (End-of-day data is fine - I'm sure asking for intraday bid/ask is too much.)
Where do these data resellers in turn get their data from? What is the original source archive of data? (Some of these datasets date back to the '50s, so I don't think the answer is "they just record it themselves.") Do they cut deals with exchanges / do the exchanges have/sell this? Does the data exist in any public records? Thanks!
Norgate Investor Services is the cheapest I've found, but it will run you hundreds of dollars ( but less than 1000 ). Their source is Standard & Poors.
QuantQuote has survivorship bias free historical stock data, but they only offer it in minute/second/tick resolution, and it costs $$. They also have free daily resolution data of the S&P500. It's too bad Yahoo doesn't keep stock data around after a stock gets delisted.
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I am currently working on developing a program that stores Quantity as a decimal with four digit places for the very small minority of products that are sold in part (eg 100ml liquid being sold in variable amounts like 1mg-3.5mg).
I dislike this design as it causes problems for the entire program in deciding how to present the quantity and now some problems where there are products which incorrectly have decimal values.
Can you think of a better way to do this?
I'm looking for an alternative to a four decimal place field in the database.
The project uses SQL Server 2005.
Edit. I made this question more generic in order to obtain a larger potential audience
Store the quantity in the smallest amount sold. So if something is sold by the mg, store it that way. That way you don't have to store fractions, and deal with rounding.
Just create a looking table for the product so that you can store the value of how it is stored and displayed, as well as any other meta-data about the size.
In .NET, a System.Decimal is going to be your best option as System.Single and System.Double are not good at representing floating point numbers with accurate representational precision.
Can you provide a small, complete example that demonstrates your problem?