When I am working with an Oracle database, I still find myself using SQL*Plus for many quick and dirty database queries. In particular, I often look up constraints in SQL*Plus. In this post, I look at ...

As you continue to explore the intricacies of table structures, understanding the role and functionality of constraints becomes essential. Constraints are rules that we apply to data columns in a ...

The term "data integrity" can mean different things to different people, but the most difficult and pervasive problem facing organizations these days is the semantic integrity of the data. As ...

Want to improve the integrity of your data? Place constraints in the database, as well as in your application. NoSQL, the catchall phrase for non-relational databases, is all the rage among Web ...

Zumasys is enhancing its MultiValue database, OpenQM, with a mix of updates driven by its user community. OpenQM 4.0 introduces Data Integrity Constraints, a community-driven feature and the winning ...

Abstract: In constraint-based program testing, symbolic execution is a technique which allows to generate test data exercising a given execution path, selected within the program to be tested. Applied ...

Primary key constraints fail to be dropped when there are dependent foreign key constraints. Database Error in model ..... Cannot delete constraint `..._pk` with non ...