Introduction
Functions returning geometries
9. Further functions
Collections
Summary

## Instruction

Well done! The functions we've shown here are used most frequently, but there are also other functions that return geometries, such as:

• ST_Difference,
• ST_SymDifference,
• ST_Boundary,
• ST_ConvexHull.

If you want to know more about these functions, we encourage you to read the official PostGIS documentation.

## Exercise

Click to continue.

Code editor

TableConsole