summary>Gets the maximum number of rows to sample when table data must be examined to determine schema information. The situations where this must be done depend on the provider. For example, when a geometric property is generated from a geometric column, the geomety types might be determined by examining some of the geometry values in the column.
MaxSampleRows can be any positive integer or one of the following: 0: all rows in the table are sampled. (Not recommended for large datastores). -1: no rows are sampled.
/summary> returns>Returns Int32.