ELT

Before ELT : ETL ETL stands for Extract, Transform, and Load. Historically, ETL has been the best and most reliable way to migrate data from one database to another. In addition to move data from one database to another, it also converts databases into a single format that can be utilized in the final point. Extract: Collecting data from different database. Sometimes using a staging table. Transform: It’s critical. Converting recently extracted data into the correct form so that it can be placed into another database. Sometimes there are other types of transformation involved in this step. Load: Load data into the target database or storage. ...