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 ...

Examples include triggers and referential integrity, as well as the primary topic of this month’s column, check constraints. Check Constraints are Supported in all Major DBMSs Check constraints are ...

Also, referential integrity constraint types are never transferred. This example downloads the SAS data set STUDENTS in the library WORK on the remote host to the library WORK on the local host. Any ...