Using examples as well as descriptions, step through each of the common simple join types, explaining differences in syntax, differences in expected outputs and showing how the queries run along with the actual outputs based upon a simple set of demo data.
Data compression is a feature offered by many modern databases like Db2, Oracle, MySQL, MariaDB and SQLServer. However, many companies do not use this feature in their database systems. Either they lack the knowledge of its existence in the applicat…