IEEE

Handling Null Values in SQL Queries on Relational Databases

Abstract: The lack of information within relational databases expressed as NULL values presents a problem in ensuring the quality of data and the information retrieved by SQL queries. This is so ...
GitHub

keep-nulls-or-use-default-values-during-bulk-import-sql-server.md

In contrast, a regular INSERT statement retains the null value instead of inserting a default value. The INSERT ... SELECT * FROM OPENROWSET(BULK...) statement provides the same basic behavior as ...
GitHub

set-ansi-nulls-transact-sql.md

When ANSI_NULLS is ON, a SELECT statement that uses WHERE column_name = NULL returns zero rows even if there are null values in column_name. A SELECT statement that uses WHERE column_name <> NULL ...
Ars Technica

SQL Server, DTS transforms, and NULLs

I'm trying to put together a DTS package to export data from SQL Server (2k) into a CSV file that I can in turn import into MySQL.<BR><BR>The problem I'm running into is SQL Server exports NULL values ...