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Nice Video. Followed it completely and then running queries. Created a file containing employee records . Though the table records are getting displayed in the athena console. I am unable to reterive the results select empid,empname from "employee"."employeedata" where salary = 1000000; Any help would be appreciated Not getting any error and hence difficult to find the cause It seems like it is not reading the data any permissions issue?
Hello, I have a question - How is this different than copying the local csv to hdfs location(hdfs on AWS S3). And, then create external table to this location. And query this external table.
The process of loading data is pretty much similar. Difference lies in the way redshift cluster and serverless work. With serverless you only pay when you run the queries, for cluster you pay a fixed cost for the compute capacity of the cluster irrespective of the usage
I have a ELB url which have 3 node of app server in differenr AZ ... How and where we can implement lambda here .. please help .. How can we implement Lambda for ELB ( this ELB redirecting to direct to 3 app server and doing Load balancing )
It is kind of another layer to represent your data in your way. It makes your data structure independent from the sources, kind of dynamic mapping. If you see traditional way, you have to map columns to attribute/object in Java/other languages. If you change something you have to modify code for most of all layer to accommodate it. Now it is more easy to map without worrying about the change of structure in future.
Quick question, let's say I don't want to host a full website, and just need the HTML file to be accessible to the public as a single static page. How do I do that? Do I have to make the entire bucket public?