Hi!I often run queries on my company’s Data Warehouse, which runs DB2. Due to the nature of my permissions, I cannot create Views or new Tables – thus, everything generally has to be done in a ...

Use aggregate functions for comparison In addition to using subselects to examine data in related tables, it’s also possible to use an aggregate function in a WHERE clause subselect to make a ...

Course Objectives: Develop queries in SQL to aggregate data stored in a database Develop queries in SQL that utilize subqueries Choose the proper datatype for storing a piece of information in a ...