Mae' r ffwythiant PERMUT () yn dychwelyd y nifer o trynewidion. Y paramedr cyntaf yw' r nifer o elfennau, a' r ail baramedr yw' r nifer o elfennau a ddefnyddir yn y trynewid.
The BITLSHIFT() function performs a bit-wise left shift operation of the first parameter. The number of bits to shift by is specified by the second parameter. Note that a negative number of bits to left shift by becomes a right shift.