1 // the number of arguments to the UDF ); The UDF can then be called in a normal SQL select statement. For example, the following statement formats the date values in the result set by calling the UDF:
select dateformat(date_val) from Contributions;
6. Again, sharding (as a tool within the MPP database architecture) is not currently supported. We are in the process adding sharding and will be happy to consider requirements
7. Compression is supported for the large data data sets (sequences) through RLE. Its not possible to quantify the compression rate as not depends on the data being compressed. By the same token there is no "typical" compression rate.