I am trying to get new job so I am listing down all the interview questions. - Mparshu/Interview_Questions ...

ETL-SQL-Interview ome of the commonly asked ETL interview questions for 2–4 years experienced are listed below:- ETL concepts What is fact? Why do we need Staging table? What is dimension table and ...

SQL is not confined to the traditional relational database systems (RDBMS) and data warehousing solutions. SQL-on-Hadoop engines run on top of distributed file systems to help process big data and ...

The ability to use that data in analytics or machine learning requires converting that raw information into organized datasets you can use for SQL queries, and this can only be done via ...

So I have been tasked with moving a fairly large amount (2.5 million rows) of highly flat denormalized data from Oracle 11g to MongoDB. The data is highly repetive in that a lot of data repeats ...

Global software house Microsoft is making big data the focus of SQL Server 2019, set for release later this year. A key part is data virtualisation, eliminating complex ETL processes.