A typical SQL query contains any of the clauses select, from, where, group by, having and finally limit. But, out…
What is tuple in Scala? Tuple in Scala is an immutable collection of fixed number of heterogeneous elements. Tuples are…
SSH, which stands for Secure Shell, is a protocol used to establish a secure and encrypted communication channel over an…
Google BigQuery, as a fully-managed and serverless data warehouse service, operates on a highly sophisticated infrastructure provided by Google Cloud…
It is very common in Big Data environment to deal with data of size Terabytes. We might observer some times…
Within the MapReduce framework in Platform Symphony, you can specify the proportion of the total number of map tasks in a…
HDFS commands Interview questions 1). Difference between the commands hadoop dfs and hadoop fs? hadoop dfs – This is…
Sometimes while processing data we will come across some situations where we need to find the difference of price a…
Functional programming is like writing a series of algebraic equations, and because you don’t use null values in algebra, you…
What is Singleton object? Scala doesn’t have a concept called static. Instead of static, scala has something called Singleton object.…