SQL Set Operators Traditional Set Operators: Union Compatibility: Requirement for the traditional set operators. Strong requirement. - Same number of columns. - Each corresponding column is compatible. - Positional correspondence. Apply to similar tables by removing columns first. SQL UNION Example: Example 1: Retrieve basic data about all university people. SELECT FacNo AS PerNo, FacFirstName ...
Rules Of Boolean Algebra
1) A + 0 = A
Solution:
LHS = A+0
let A=0
LHS = 0+0
LHS = 0
LHS = RHS
2) A + 1 = 1
Solution:
LHS = A + 1
let A=0
LHS = 0+1
LHS = 1
LHS = RHS
3)
A . 0 = 0
Solution:
LHS = A . 0
let A=0
LHS = 0.0
LHS = 0
LHS = RHS
4)
A . 1 = A
Solution:
LHS = A . 1
let A=1
LHS = 1.1
LHS = 1
LHS = RHS
5)
A + A = A
Solution:
LHS = A + A
let A=0
LHS = 0+0
LHS = 0
LHS = RHS
6)
A + A̅ = 1
Solution:
LHS = A + A̅
let A=1
LHS = 1+0
LHS = 1
LHS = RHS
Our Official Website : Web Conquerors (https://www.webconquerors.com/)
Want to get digital services? Contact US
Want to know about our services? Our Services
Comments
Post a Comment