What is an alias in SQL? In SQL Server, aliases can be used to create a temporary name for columns or tables. Column aliases are
SQL Interview Questions – Part-4
What is a JOIN in SQL? A JOIN clause is used to combine rows from two or more tables, based on a related column between
SQL Interview Questions – Part-3
What is a primary key? A primary key is a unique column (or set of columns) in a relational database table that is used to
SQL Interview Questions – Part-2
What is Savepoint in SQL? By designating a point inside a transaction that may be “rolled back to” without impacting any work done in the
SQL Interview Questions – Part-1
What does the business rule in the context of a database? A business rule is a declaration that places restrictions on a certain feature of
Automatic deletion of files from S3 bucket
Amazon S3, also known as Amazon Simple Storage Service, is a web service interface-based object storage service provided by Amazon Web Services. Anything we want
Big Data & SQL 