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Boolean « Data Type « PostgreSQL
PostgreSQL
Data Type
Boolean
1.
Using the boolean type
2.
The difference between true and 'true'
3.
Checking Boolean values: yes
4.
Implying Boolean 'true'
5.
Checking for 'false' Boolean values
6.
NOT for boolean value
7.
Compare the value of a boolean field against any of the values
8.
boolean value 't'
9.
NULL will not register as either true or false