My client during Comprehensive Database Performance Health Check. Today we will learn about CHECK CONSTRAINT to Allow Only Digits in Column.
Question: What is N in nvarchar?
Answer: n in nvarchar or nchar stands for world national. Let us learn today about datatypes.
they asked me questions if I know how to fix it. Well, it is actually very simple and we need to learn about Grid vs Text Output.
I explained how Unicode datatype works, you can read that blog here SQL SERVER – Storing a Non-English String in Table – Unicode character strings.
Let us learn how to store non-English Characters in SQL Server tables. You will learn in this video the major difference between VARCHAR and NVARCHAR.