Redshift: Some Interesting behaviour of Redshift Query

I have found some interesting behaviour of redshift query. It is interesting in a sense that the query runs perfectly in redshift but not in other database (SQL Server or PostgreSQL). Let’s see the behaviour. First one describes in http://www.sqlhaven.com/interesting-aggregate-query-result-using-clause-redshift/ this blog post by brother Khorshed Alam.

SSIS: Excel Import 255 character Truncation issue and Solution

Few days ago we have created a SSIS package to load excel data in our SQL Server database. When we run the package for a sample excel file, it runs perfectly. But when we run the package for original excel file it fails.