In this video, SQL forward filling is explained in a way you can never forget with example.
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DDL & DML Script:-
DROP TABLE IF EXISTS StudentDetail
CREATE TABLE StudentDetail
(CollegeId INT,StudentId INT,DeptId INT)
INSERT INTO StudentDetail
VALUES
(1,1,101),
(1,2,NULL),
(1,3,NULL),
(1,4,NULL),
(1,11,201),
(1,12,NULL),
(1,13,NULL),
(1,14,NULL)
Негізгі бет SQL Imp Question| KPMG Interview Question | Fill Missing Null Values | Forward Filling In SQL|
Пікірлер: 19