GEOGRAPHY Point. Returns NULL for empty geography objects. Returns an error if the input is not a single Point (and not an empty GEOGRAPHY object).
Syntax
Parameters
Return Type
ST_X returns a value of type DOUBLE PRECISION.
Example
The following code example constructs a Point in theGEOGRAPHY data type from longitude and latitude coordinates and extracts its longitude coordinate:
Rows: 1Execution time: 5.46ms