One of the first steps in data standardization and transformation is to clean ... often neccesitates cleaning and restructuring before SQL operations to ensure coherence and consistency.

Subqueries are used to complete an SQL transformation by ... be used to complete a multi-step transformation. A correlated subquery is a subquery that cannot be run independently of the outer query.

Use the HAVING clause to filter data based on aggregate functions. Use SQL to clean, transform, and prepare data for analysis ... you should have learnt about: SELECT, FROM, ORDER BY, LIMIT, WHERE, ...

“Data is the new electricity for businesses today. It gives our customers the opportunity to catapult their growth. Microsoft’s SQL Server 2016 is built ... Microsoft set up its India operations in ...