I have two tables I need to process. One table "Delivery" contains id of delivery as PK, id of storage to deliver as FK and id of storekeeper as FK. ...
I have two tables I need to process. One table "Delivery" contains id of delivery as PK, id of storage to deliver as FK and id of storekeeper as FK. ...
Is it necessary to have surrogate keys for each hierarchy level above the lowest level in a dimension table? vs If so, how would I go about gene ...
I am working on a Data warehouse project; I have a design to follow a part of it is shown in the screenshot below: The source table is as follows: ...
Is it considered bad to add surrogate key (ID column) to each table in addition to the natural primary key? If it is not is the model still considered ...
Say I have a JOB and COMPANY table and a third JOB_COMPANY table that relates the two in a many-to-many cardinality. I've learnt that it's an anti-pa ...
Could someone please help me understand how to populate the fact table with Surrogate keys from dimensions using SSIS? I load my dimension tables and ...
I have a temporal table that uses a natural primary key. This table stores a CSV file that was imported, it's a history table to keep track of every i ...
Is there an easy/efficient way to create surrogate keys in Snowflake? Imagine this data set is going to be selected into in a table, during the ins ...
Have a question that is haunting me for some time. How in practice looks replacing primary keys with surrogate keys during the ETL process? Like what ...
I have a table in SQL Server I want my registerNumber to be of type batch+branch+id eg a row in student id:1, batch:17, branch:BIT then the registe ...
I'm playing with: To my mind, this has the following benefits: Each id is unique across the whole database, removing wrong-table errors. No i ...
As the question says, I am running the dbt snapshot command and a few of my snapshots are not working because DBT is not recognizing the surrogate key ...
I am new to the world of big data, I would like to take a question regarding surrogate keys. Considering a distributed data system, creating surrogate ...
I have a problem to select the suitable table for the fact table. I have problem with following two tables OrderData Table : OrderID CustomerID ...
A surrogate key is a mechanism that exists in our books for years and I hate for bringing into discussion again. Everyone is talking about the benefit ...
I am rebuilding a big warehouse database which originally used natural keys, and now I want to switch to surrogate keys. Therefore, I am considering ...
Disclaimer: This is not the same question as the other topics. One of the cons we face when using Natural Keys, is that, if the business logic chan ...
I have a use case where the apache flink process must integrate near real-time data streams (events) from multiple sources but due to lack of uniform ...
We are doing a migration from AWS Redshift to GCP BigQuery. Problem statement: We have a Redshift table that uses the IDENTITY column functionality ...
I have a project that I am working on where we have to create a registration system for a university in Access. One of the tables requires a surrogate ...