WhatistheareainaLEVEL_4cellinageographyspatialindexinSQLServer?我有一个空间索引，使用SQLServer中的地理数据类型定义如下。12345678CREATESPATIALINDEX[IX_CI_Geocode]ON[dbo].[CustomerInformation](  [Geocode])USING GEOGRAPHY_GRIDWITH(GRIDS=(LEVEL_1=HIGH,LEVEL_2=HIGH,LEVEL_3=HIGH,LEVEL_4=HIGH),CELLS_PER_OBJECT=128,PAD_INDEX =OFF,

WhatistheareainaLEVEL_4cellinageographyspatialindexinSQLServer?我有一个空间索引，使用SQLServer中的地理数据类型定义如下。12345678CREATESPATIALINDEX[IX_CI_Geocode]ON[dbo].[CustomerInformation](  [Geocode])USING GEOGRAPHY_GRIDWITH(GRIDS=(LEVEL_1=HIGH,LEVEL_2=HIGH,LEVEL_3=HIGH,LEVEL_4=HIGH),CELLS_PER_OBJECT=128,PAD_INDEX =OFF,