Did You Know: Creating New Surrogate Key Values from Table …
2011年2月23日 · An alternative (if you have your target table sorted by the surrogate key) is to use data set functions to retrieve the last record and its surrogate key value. This is also very efficient. And if you don't wish to use an unsupported function, you could just use a data step view and calculate the key values using _n_ and the current max value ...
How to create a surrogate key or auto increment ID
2009年8月4日 · Hi all I'm very new to the SAS World, but i have a little experience on t-sql. What i want to do is create a table or a data set with with an unique ID with an auto increment like t-sql do or a sequence like Oracle but with SAS. I've heard of a surrogate key. Can i create un surrogate key to do th...
SCD Type 2 - DI - Beginning Date and Business Key Questions
2015年12月17日 · 2) We have a Business Key (Student_ID) and a Surrogate Key (STD_KEY). On these new records from the source, it is the Student_ID that has new values, so I would think that is the column I need to check for changes on. However, it is the Business Key. I want to retain the exisiting Surrogate Key. Ultimately where we have: STD_KEY 02. STUDENT_ID 1234
How surrogate key generator works with (option: increment from …
2019年7月18日 · I am new to SAS world and have little experience in Oracle. Based on my oracle experience it is better to use sequence for any number (key) field as the sequence saves the current value and next value. When I see below options in "Surrogate key generator" (DI studio) 1) increment from maximum value in target table. 2)increment from specified value
How to create Surrogate Key and SCD type 2 in SAS Studio by code
2020年11月10日 · Hi, I want to create Surrogate Key and want to apply slowly changing dimension to a dataset from SAS studio by using SAS coding. Can anyone give me the outline/concept How can we do this by code? I have a Test dataset and observations from that will update on regular basis. I want to create a ID whi...
The use of surrogate keys - SAS Communities
2014年1月31日 · Hi all, i would like to know which advantages a surrogate key provides in comparison to a normal functional key which depends on attributes in the data. Therefore i like to know how to use a surrogate key in a professional way. Do a surrogate key provides advantages in all database schemas or in so...
Using SAS DI Studio to Load a Data Vault, Part II (DV2.0)
2014年11月19日 · In this model, we use four different load job styles, when using traditional surrogate keys. Quick recap: Hubs (blue): SCD Type 1 Loader to create hub surrogate key; Links (red): Look-up to get hub surrogate keys, 2-n; SCD Type 1 Loader to create link surrogate key; Hub Satellite (yellow): Look-up to get its hub surrogate key
Surrogate Key Gen loader performance improvement
2019年8月30日 · HI All, I am working on Performance tuning in one of the SAS DI job. And, I need your help / suggestions on the below. My Target_table is an Oracle Table. Target_table has Indexes for those columns that are being used in the Surrogate Key gen transformation. Target_table has 6 billion records. And ...
Using SCD Type 2 and Surrogate keys for single table in job
2014年7月19日 · Hi LinusH, My bad!I forgot to mention that I have two more columns "valid from date" and "valid to date" in my target structure.I was using scd type loader and selected these 2 dates for change data capture along with the one retained key as you said,trying to map the other columns.So you mean to say that I need to have different tables for each of them and the get …
Date Dimension having Date Type as primary key
Hi Gurus, From architecture team came a suggestion that they wanted the surrogate key to be of Date Datatype in Time Dimension rather than of number type. Poll Analytics Community Website Satisfaction Vote and let us know your satisfaction with the Analytics Community Website