TheSiliconBoard

Introduction to AWS Glue Crawler : Glue Crawler is a feature of AWS Glue which goes to one or more than one data source and extracts the metadata. It inspects the sources and generates the column name, types, size and other information. Hence, it got its name Crawler. Click here for youtube tutorial. Why AWS Glue Crawler is important : Now a time being, just think that crawler is not there! Then we had to manually get into all the data sources and extract the column names, types and size etc. If a table is small, then its quite achievable