Layer Estimates:

Layer: PedestrianAley (ID:0)
Count: 15
Extent:

XMin: -89111.0350000001
YMin: -100887.739499999
XMax: -88786.6177000003
YMax: -100547
Spatial Reference: 3763 (3763)

Layer: BikeAlley (ID:1)
Count: 2
Extent:

XMin: -88890.2358999997
YMin: -100688.061000001
XMax: -88820.3930000002
YMax: -100578.594000001
Spatial Reference: 3763 (3763)

Layer: Road (ID:2)
Count: 4
Extent:

XMin: -89142.4212999996
YMin: -100892.379000001
XMax: -88771.7814999996
YMax: -100514.504799999
Spatial Reference: 3763 (3763)

Layer: ParkingArea (ID:3)
Count: 37
Extent:

XMin: -89111.2112999996
YMin: -100880.3236
XMax: -88783.7451999998
YMax: -100554.6022
Spatial Reference: 3763 (3763)

Layer: Departments (ID:4)
Count: 11

Layer: Teachers (ID:5)
Count: 3

Layer: Courses (ID:6)
Count: 14

Layer: Students (ID:7)
Count: 2

Layer: Disciplines (ID:8)
Count: 6

Layer: Course_Discipline (ID:9)
Count: 6

Layer: ClassRoom_Discipline (ID:10)
Count: 5

Layer: Teacher_Discipline (ID:11)
Count: 4

Layer: Course_Students (ID:12)
Count: 2

Layer: Students_Courses (ID:13)
Count: 2

Layer: Teachers__Disciplines (ID:14)
Count: 4

Layer: Course_Disciplines (ID:15)
Count: 6