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 ...

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 ...

SQL is a widely-used programming language for computer databases in business. Frequently, software developers need to combine different kinds of data, such as integer and character fields, into a ...

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 ...