New answers tagged database-theory
1
The terminology used in the database area calls the relational algebra “procedural” to contrast it with the languages based on “calculus”, since an algebraic expression describes an ordered set of steps to find the result: simply execute the operations in the correct order to produce the result.
In contrast, in an expression of a calculus based language, ...
0
WW conflicts are --> 1-6, 1-8 , 3-6, 3-8, 5-6, 5-8, 7-8, 6-7
RW conflicts are --> 2-3, 2-5, 2-7, 4-5, 4-7
WR conflicts are --> 1-2, 1-4, 3-4
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