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UPDATE TABLE WITH JOIN

-- CREATE TRG_STUDENT TABLE
CREATE TABLE TRG_STUDENT
(
                Id INT IDENTITY(1,1),
                Name VARCHAR(50),
                Marks INT
)

-- INSERT SAMPLE DATA TO TRG_STUDENT TABLE
INSERT INTO TRG_STUDENT (Name,Marks)VALUES('RAKESH',90)
INSERT INTO TRG_STUDENT (Name,Marks)VALUES('MADHU',70)
INSERT INTO TRG_STUDENT (Name,Marks)VALUES('NANI',60)

-- CREATE SRC_STUDENT TABLE
CREATE TABLE SRC_STUDENT
(
                Id INT IDENTITY(1,1),
                Marks INT
)


-- INSERT SAMPLE DATA TO SRC_STUDENT TABLE
INSERT INTO SRC_STUDENT (Marks)VALUES(60)
INSERT INTO SRC_STUDENT (Marks)VALUES(80)
INSERT INTO SRC_STUDENT (Marks)VALUES(90)

-- NEED TO UPDATE SRC_STUDENT TABLE MARKS COLUMN TO TRG_STUDENT TABLE MARKS COLUMN
UPDATE T SET T.Marks=S.Marks FROM TRG_STUDENT T JOIN
SRC_STUDENT s ON T.Id=S.Id


SELECT * FROM TRG_STUDENT







DROP TABLE TRG_STUDENT,SRC_STUDENT
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