Without proper checks, here are some "null" strings that can enter your database and introduce errors in your applications or data analytics: An empty string. May appear if the application user ...

In the world of relational databases, VARCHAR is one of the most commonly used string data types, primarily used for storing variable-length character data. However, for many beginners, the ...

Another one of these choices... to go with a char or varchar for a field. Not really an issue with space since we are only looking at a couple of thousand records or so but just wondering what the ...

In relational databases, VARCHAR is one of the most commonly used string data types for storing variable-length character data. For users who are unfamiliar, the differences in VARCHAR across ...

DDL Generation is wrong for NVARCHAR (and likely NCHAR) data type. The sys.columns catalog view reports max_length, but, this is in bytes. NVARCHAR and NCHAR use two bytes per character. Unfortunately ...