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BITAND: 位与运算

sample

SELECT 
  BITANT(3, 1) 'cal ret'
FROM dual;

---------------------
outout: 
CAL_RET
-------
1

above logic equals to:
11 =   "3" 
01 =   "1"
====    bitand
01 =    "1" 

• Oracle has no BITOR operation, but Hana has.
• when select from Hana, table name should be dummy.