# `ST_Y` ## description ### Syntax `DOUBLE ST_Y(POINT point)` 当point是一个合法的POINT类型时,返回对应的Y坐标值 ## example ``` mysql> SELECT ST_Y(ST_Point(24.7, 56.7)); +----------------------------+ | st_y(st_point(24.7, 56.7)) | +----------------------------+ | 56.7 | +----------------------------+ ``` ##keyword ST_Y,ST,Y