Null SQL is the first formal treatment of SQL’s nulls and three-valued semantics, and it has been validated empirically using random testing to compare with the behaviour of real database engines, but ...

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 ...

Is your SQL drawing a blank? It’s NULL a surprise! The title of this post is a play on words, but very appropriate. We are going to discuss the inconsistent results, as well as performance ...

Literals in SQL are fixed values that are directly written into the query. These values represent data in a constant form and can be of different types, such as numbers, strings, or dates. For example ...

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 ...