Ars Technica

Preventing SQL joins when source field is null

I have to write a query on a positively atrocious table (this is with MSSQL 2005). Basically, multiple "lists" are stored in a single gigantic table called "UserData". I'm building the SQL statement ...
Simon Fraser University

IS condition

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 ...
Ars Technica

SQL data copy: is there a better way to do this

hello,<BR><BR>I'm synchronizing two tables between two SQL servers (MSSQL 2005) using integration services.<BR><BR>The tables are rather large: 39 million rows in the source including a BLOB field and ...
InfoWorld

What is SQL? The lingua franca of data analysis

SQL is neither the fastest nor the most elegant way to talk to databases, but it is the best way we have. Here’s why Today, Structured Query Language is the standard means of manipulating and querying ...