Databases contain integrity constraints to prevent chaotic events from happening, such as shipping a product to a customer with no address. Each company has integrity constraints unique to its ...

A new potential characteristic of a SAS data set known as integrity constraints has been added for SAS Version 7 or Version 8. Integrity constraints are a set of data validation rules that preserve ...

Understanding the genotype–phenotype relationship of a cell has been a long-standing goal in biology. The availability of genome sequencing and of other high-throughput 'omic' data sets provides an ...

Andrew Sheaff has been around the sport of swimming for decades. He has worked with some of the best swimmers in the world, and experienced first-hand how difficult it is to continue to improve for ...