Check constraints in SQL help keep data accurate by allowing only the right kind of information in a column. They make sure the data follows the rules, making databases easier to read and more secure.

Learn the most important SQL concepts for testers, such as syntax, data types ... string, date, or boolean. Constraints are rules that enforce the validity and consistency of the data, such as ...

Def-gl-boolean-constraint. Define a rule that recognizes constraints among GL generated Boolean variables. When using GL in a term-level style (see term-level-reasoning), GL may generate new Boolean ...

The manipulation of raw string data is ubiquitous in security-critical software, and verification of such software relies on efficiently solving string and regular expression constraints via SMT.