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yeah guys I was starting the topic uh initial load full load or first load okay so today's topic is uh one of my friend asking when the new badge will come out Bikram sir yeah I'll talk to you I'll talk regarding that later let me just start today's topic okay your screen is not visible to me guys are you able to see my screen yes or no yourself also your screen is visible for everyone okay fine guys so let me just start a topic called as initial load or first load or also called as full load so this is a very important topic guys when you learn initial load of first load or full load coming in two minutes yeah because what happens here is that when you load 100 records guys or 100 records from the source all these hundred records should be loaded into what the target so this is called an initial load or full load or first loan so all the record from this Source will be loaded into the target this is called as initial load first load or full so guys when we talk about the initial load what I happen is first time loading the data from The Source into Data Warehouse is called as initial load or full load means for the first time for the first time if we load the data from the source to the data warehouse this is called as initial load or full load the initial load completely erase truncate the existing data from the Target and then reload the fresh data I know can you just speak uh you are not Audible fine I've given the X yeah are you there yeah previously has some problem so that's why I left the session and re login okay okay okay see here initial load or full load or first load what happens guys is first load what will happen is first time when we load the data from Source data into Data Warehouse that is called as initial load or full load or first node okay so whatever initial load will completely truncate the existing data from the Target and reload the fresh data that means this is called as truncate and load what will happen is in the first load what will happen is data will be truncated from the target and then data would be loaded into the dirt fine guess now what happened is we need to test the data in the dimension Factor matched that means we need when the data is getting loaded into Data Warehouse I told you in data warehouse there are two kinds of table again I will tell in detail fact table which consists of numeric value and dimension table which consists of what guys descriptive values now what happens here is we need to test the data in the dimension fact table matched what is shown in the source and the business...