GitHub

19_window_function.sql

-- Preciso agrupar por IdCliente e dtDia, para aparecer os outros dias que o cliente fez as transações -- Se eu agrupar apenas por Idcliente os outros dias que o cliente fez a transações não ...
GitHub

18_window_function.sql

-- Se eu quiser, não preciso colocar o "PARTITION BY 1" -- Colocando o "PARTITION BY 1", significa o seguinte: -- “não particione nada; trate tudo como um único grupo”.
来自MSN

Tutorial for evaluating a piecewise function given three different values

👉 Learn how to evaluate a piecewise function. A piecewise function is a function which uses different rules for different intervals. When evaluating a piecewise function, pay attention to the ...
来自MSN

Math tutorial for determining the equation of the inverse of a given function

👉 Learn how to find the inverse of a function. The inverse of a function is a function that reverses the "effect" of the original function. One important property of the inverse of a function is that ...
IEEE

Detecting Broadband Oscillation Using Two-point Window-function Interpolation

Abstract: Wideband oscillations represent an emerging stability issue in power systems with a high penetration of renewable energy sources. Rapid and accurate monitoring of oscillations is regarded as ...