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 ...

So I am trying to write an update statement that uses two factors to determine the new value of the field, one of the factors is an aggregate function (COUNT). I get the error: An aggregate may ...

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 ...