https://www.ibm.com/docs/en/db2-for-zos/13.0.0?topic=parameters-envelopesintersect
Db2 Accessories Suite V4 - Spatial support - EnvelopesIntersect
The EnvelopesIntersect spatial function accepts two types of input parameters to determine if the minimum bounding rectangles of two geometries intersect.
accessoriessuitespatialsupport