Welcome to another database question. In this question I created a community poll question and provided some answers. All answers can be correct of course but the question is what is the most efficient? this is what I try to explore in this video and compare how different database platforms such as mysql or Postgres differ in those implementations;
Table T with three integer fields A, B and C.
A has a primary key clustered index.
B has a secondary index.
Which query is more likely to be the most efficient?
0:00 Intro
1:00 The Question
3:20 WHERE C BETWEEN 50,50000
5:30 WHERE B BETWEEN 50,50000
13:20 WHERE C BETWEEN 50,50000
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