Hi Florian, i'm creating a SRID used by SAP Cloud for Analytics with the following statement which executed successfully:
CREATE SPATIAL REFERENCE SYSTEM "WGS 84 / Pseudo-Mercator" IDENTIFIED BY 3857
TYPE PLANAR
SNAP TO GRID 1e-4
TOLERANCE 1e-4
COORDINATE X BETWEEN -20037508.3427892447 AND 20037508.3427892447
COORDINATE Y BETWEEN -19929191.7668547928 AND 19929191.766854766
ORGANIZATION "EPSG" IDENTIFIED BY 3857
LINEAR UNIT OF MEASURE "metre"
ANGULAR UNIT OF MEASURE NULL
POLYGON FORMAT 'EvenOdd'
STORAGE FORMAT 'Internal'
DEFINITION 'PROJCS["Popular Visualisation CRS / Mercator",GEOGCS["Popular Visualisation CRS",DATUM["Popular_Visualisation_Datum",SPHEROID["Popular Visualisation Sphere",6378137,0,AUTHORITY["EPSG","7059"]],TOWGS84[0,0,0,0,0,0,0],AUTHORITY["EPSG","6055"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.01745329251994328,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4055"]],UNIT["metre",1,AUTHORITY["EPSG","9001"]],PROJECTION["Mercator_1SP"],PARAMETER["central_meridian",0],PARAMETER["scale_factor",1],PARAMETER["false_easting",0],PARAMETER["false_northing",0],AUTHORITY["EPSG","3785"],AXIS["X",EAST],AXIS["Y",NORTH]]'
TRANSFORM DEFINITION '+proj=merc +a=6378137 +b=6378137 +lat_ts=0.0 +lon_0=0.0 +x_0=0.0 +y_0=0 +k=1.0 +units=m +nadgrids=@null +wktext +no_defs'