Assertion Glossary Definition

An Assertion is a statement in code or a test that declares a condition expected to be true at a specific point.

Assertion is a Database querying or programmable-object concept used to retrieve, transform, define, or manipulate stored data.

Assertions are used in unit tests, debugging, runtime checks, and defensive programming to expose incorrect assumptions early.

Related concepts include Unit Testing and Regression Testing.

Database developers and analysts use this concept when writing SQL, designing stored logic, troubleshooting query behavior, or documenting data access.