Jumat, 29 November 2019

Looping - SQL Server

DECLARE @name VARCHAR(50) -- database name
DECLARE @path VARCHAR(256) -- path for backup files
DECLARE @fileName VARCHAR(256) -- filename for backup
DECLARE @fileDate VARCHAR(20) -- used for file name
SET @path = 'C:\Backup\' SELECT @fileDate = CONVERT(VARCHAR(20),GETDATE(),112)
DECLARE db_cursor CURSOR FOR
SELECT name FROM MASTER.dbo.sysdatabases WHERE name NOT IN ('master','model','msdb','tempdb')
 OPEN db_cursor FETCH NEXT FROM db_cursor INTO @name WHILE @@FETCH_STATUS = 0
 BEGIN SET @fileName = @path + @name + '_' + @fileDate + '.BAK' BACKUP DATABASE @name TO DISK = @fileName FETCH NEXT FROM db_cursor INTO @name END CLOSE db_cursor DEALLOCATE db_cursor

-----------
 DECLARE @TotalOscars INT
DECLARE @FilmOscars INT
SET @TotalOscars = 0
DECLARE FilmCursor CURSOR
FOR SELECT FilmOscarWins FROM tblFilm
FOR UPDATE OFFilmCumulativeOscars
OPEN FilmCursor
FETCH NEXT FROM FilmCursor INTO @FilmOscars
WHILE @@FETCH_STATUS = 0
BEGIN
SET @TotalOscars += @FilmOscars
UPDATE tblFilm
SETFilmCumulativeOscars = @TotalOscars
WHERE CURRENT OFFilmCursor
FETCH NEXT FROMFilmCursor INTO@FilmOscars
END
CLOSE FilmCursor
DEALLOCATE FilmCursor

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