Course: This course is created for business people or data analysts who want to query data from an SQL Server database but don't want to write codes and queries in SQL language. This course teach you how to use GUI of SQL Server Management Studio Query Designer Tool.
01. 00:00 Create a subquery
In this part you can construct another query in a separate Query Designer window. This query will act as a subquery in our current main query.
02. 00:59 Remove limit from query
By default query designer limits the number of returned rows to avoid server overloading. Here you can learn how to remove this limit and get the full result.
03. 01:48 Construct the subquery
Here you will construct the final query for the subquery
04. 03:13 Understanding the NULL
In this small bypass we learn what is the meaning of NULL, how it works
In programming development, it is very common that a piece of code could be developed, customized, re-used and deployed in many similar areas, so that we can optimize the development and configuration time needed.