Dennis Gearon wrote: > 1/ Are the bits in BIT(n) types stored as 1 bit per '0/1' or as one > BYTE per '0/1' ? 1 bit > 2/ What is the RANGE of the number of bits storable? 1 to about 8*10^9 should be possible (although perhaps not thoroughly tested by many people) > 3/ What kind of speed comparisons are there between using BIT(n) > tyeps and using multiple columns of INT4/8 values? There should not be any noticeable difference. ---------------------------(end of broadcast)--------------------------- TIP 9: the planner will ignore your desire to choose an index scan if your joining column's datatypes do not match