-- You might think that the phrase dept=NULL would work here but it doesn't - you can use the phrase dept IS NULL -- That's not a proper explanation -- No it's not ...
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 ...
In contrast, a regular INSERT statement retains the null value instead of inserting a default value. The INSERT ... SELECT * FROM [OPENROWSET(BULK...)](../../t-sql ...
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 ...
IS NULL and IS MISSING are predicates that test for a missing value. IS NULL and IS MISSING are used in the WHERE, ON, and HAVING expressions. Each predicate resolves to true if the sql-expression's ...