Performs a logical implication on two expressions.
result = expression1 Imp expression2
The following table illustrates how result is determined:
| If expression1 is | And expression2 is | Then result is |
|---|---|---|
| True | True | True |
| True | False | False |
| True | Null | Null |
| False | True | True |
| False | False | True |
| False | Null | True |
| Null | True | True |
| Null | False | Null |
| Null | Null | Null |
The Imp operator performs a bitwise comparison of identically positioned bits in two numeric expressions and sets the corresponding bit in result according to the following table:
| If bit in expression1 is | And bit in expression2 is | Then result is |
|---|---|---|
| 0 | 0 | 1 |
| 0 | 1 | 1 |
| 1 | 0 | 0 |
| 1 | 1 | 1 |
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