SQL Server, Oracle 位运算
print 0 | 1 | 2 | 4 | 8
print 15 & 0
print 15 & 1
print 15 & 2
print 15 & 4
print 15 & 8
SELECT bitand(15, 8) from dual;
print 0 | 1 | 2 | 4 | 8
print 15 & 0
print 15 & 1
print 15 & 2
print 15 & 4
print 15 & 8
SELECT bitand(15, 8) from dual;