Hướng dẫn tạo table backup và restore

Question

SELECT * INTO dbo.tbl_sv_backup2 FROM dbo.tbl_sv WHERE 1 = 0;

select * from tbl_nhaplieu_wc where nguoitd='NGUYENTHAO'
SELECT * FROM tbl_nhaplieu_wc_backup
DELETE FROM dbo.tbl_nhaplieu_wc OUTPUT DELETED.* INTO dbo.tbl_nhaplieu_wc_backup WHERE nguoitd='NGUYENTHAO'