Ars Technica

SQL, update w/ subquery = 0 rows affected

I'm having a bit of a problem with some SQL. I'm trying to do a match from one table to another. It works perfectly except for the last line. As soon as I add it NOTHING gets updated. I'm using SQL ...
Ars Technica

[SQL] Updating Multiple Records Using Non-Primary Key

I'm trying to update multiple records using a non-primary key. However, it only updates the first row it finds and not all rows.<BR>Is this possible or do updates require a primary key (and therefore) ...
Business Wire

Formulus Black Smashes SQL Performance Records in Series of Independent Benchmark Testing

JERSEY CITY, N.J.--(BUSINESS WIRE)--Venture-backed startup Formulus Black engaged leading independent software consultancy End Point Corporation to benchmark the performance of Microsoft SQL Server ...
Simon Fraser University

Example 14: Matching Case Rows and Control Rows

This example uses a table that contains data for a case-control study. Each row contains information for a case or a control. To perform statistical analysis, you need a table with one row for each ...