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source-tranh-chap.sql
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175 lines (164 loc) · 4.57 KB
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--Phantom
if OBJECT_ID ('VIEW_NHACHOTHUE_NHOMNHANVIEN','P') is not null
drop proc VIEW_NHACHOTHUE_NHOMNHANVIEN
GO
create proc VIEW_NHACHOTHUE_NHOMNHANVIEN
AS
SET TRANSACTION ISOLATION LEVEL SERIALIZABLE
BEGIN TRANSACTION
SELECT *FROM NHACHOTHUE
WAITFOR DELAY '0:00:10'
COMMIT TRANSACTION
go
EXEC VIEW_NHACHOTHUE_NHOMNHANVIEN
--Dirty Read
if OBJECT_ID ('VIEW_NHABAN_NHOMNHANVIEN','P') is not null
drop proc VIEW_NHABAN_NHOMNHANVIEN
GO
create proc VIEW_NHABAN_NHOMNHANVIEN
AS
BEGIN TRANSACTION
SET TRANSACTION ISOLATION LEVEL READ COMMITTED
SELECT *FROM NHABAN
COMMIT TRANSACTION
go
EXEC VIEW_NHABAN_NHOMNHANVIEN
--Conversion-Deadlock
if OBJECT_ID ('ADD_NHABAN_NHOMNHANVIEN','P') is not null
drop proc ADD_NHABAN_NHOMNHANVIEN
GO
create PROC ADD_NHACHOTHUE_NHOMNHANVIEN
@MANHA CHAR(5),
@MALOAI CHAR(5),
@DIACHI NVARCHAR(50),
@SOLUONGPHONG INT,
@MACHINHANH CHAR(5),
@MANVPHUTRACH CHAR(5),
@MACHUNHA CHAR(5),
@TIENTHUE1THANG INT,
@NGAYDANG DATETIME,
@NGAYHETHAN DATETIME,
@TINHTRANG NVARCHAR(30),
@SOLUOTXEM INT
AS
SET TRANSACTION ISOLATION LEVEL SERIALIZABLE
BEGIN TRANSACTION
BEGIN TRY
IF EXISTS(SELECT * FROM NHABAN WHERE MANHA = @MANHA)
BEGIN
PRINT N'NHÀ NÀY ĐÃ TỒN TẠI'
ROLLBACK TRANSACTION
RETURN
END
ELSE IF NOT EXISTS(SELECT * FROM LOAINHA WHERE MALOAINHA = @MALOAI)
BEGIN
PRINT N'LOẠI NHÀ NÀY KHÔNG TỒN TẠI'
ROLLBACK TRANSACTION
RETURN
END
ELSE IF NOT EXISTS(SELECT * FROM CHINHANH WHERE MACHINHANH = @MACHINHANH)
BEGIN
PRINT N'CHI NHÁNH NÀY KHÔNG TỒN TẠI'
ROLLBACK TRANSACTION
RETURN
END
ELSE IF NOT EXISTS(SELECT * FROM NHANVIEN WHERE MANV = @MANVPHUTRACH)
BEGIN
PRINT N'NHÂN VIÊN NÀY KHÔNG TỒN TẠI'
ROLLBACK TRANSACTION
RETURN
END
ELSE IF NOT EXISTS(SELECT * FROM CHUNHA WHERE MACHUNHA = @MACHUNHA)
BEGIN
PRINT N'CHỦ NHÀ NÀY KHÔNG TỒN TẠI'
ROLLBACK TRANSACTION
RETURN
END
END TRY
BEGIN CATCH
PRINT N'LỖI NHẬP LIỆU'
ROLLBACK TRANSACTION
END CATCH
INSERT INTO NHACHOTHUE VALUES(@MANHA, @MALOAI, @DIACHI, @SOLUONGPHONG, @MACHINHANH, @MANVPHUTRACH, @MACHUNHA, @TIENTHUE1THANG, @NGAYDANG, @NGAYHETHAN, @TINHTRANG,
@SOLUOTXEM)
WAITFOR DELAY '0:00:15'
COMMIT TRANSACTION
go
EXEC ADD_NHACHOTHUE_NHOMNHANVIEN 'NT3', 'LN01', N'HÀ NỘI 3', 3, 'CNH03', 'NV03', 'CN03', 200000, '2019/12/20 00:00:00', '2020/12/20 00:00:00', 'TRỐNG', 3
--LostUpdate
if OBJECT_ID ('UPDATE_NHABAN_NHOMNHANVIEN','P') is not null
drop proc UPDATE_NHABAN_NHOMNHANVIEN
GO
create proc UPDATE_NHABAN_NHOMNHANVIEN
@MANHA CHAR(5),
@MALOAI CHAR(5),
@DIACHI NVARCHAR(50),
@SOLUONGPHONG INT,
@MACHINHANH CHAR(5),
@MANVPHUTRACH CHAR(5),
@MACHUNHA CHAR(5),
@NGAYDANG DATETIME,
@NGAYHETHAN DATETIME,
@TINHTRANG NVARCHAR(30),
@SOLUOTXEM INT,
@GIABAN INT,
@DIEUKIENBAN NVARCHAR(30)
AS
BEGIN TRANSACTION
SET TRANSACTION ISOLATION LEVEL READ COMMITTED
BEGIN TRY
IF NOT EXISTS(SELECT * FROM NHABAN WITH (Holdlock) WHERE MANHA = @MANHA )
BEGIN
PRINT N'NHÀ NÀY KHÔNG TỒN TẠI'
ROLLBACK TRANSACTION
RETURN
END
ELSE IF NOT EXISTS(SELECT * FROM LOAINHA WITH (Holdlock) WHERE MALOAINHA = @MALOAI)
BEGIN
PRINT N'LOẠI NHÀ NÀY KHÔNG TỒN TẠI'
ROLLBACK TRANSACTION
RETURN
END
ELSE IF NOT EXISTS(SELECT * FROM CHINHANH WITH (Holdlock) WHERE MACHINHANH = @MACHINHANH)
BEGIN
PRINT N'CHI NHÁNH NÀY KHÔNG TỒN TẠI'
ROLLBACK TRANSACTION
RETURN
END
ELSE IF NOT EXISTS(SELECT * FROM NHANVIEN WITH (Holdlock) WHERE MANV = @MANVPHUTRACH)
BEGIN
PRINT N'NHÂN VIÊN NÀY KHÔNG TỒN TẠI'
ROLLBACK TRANSACTION
RETURN
END
ELSE IF NOT EXISTS(SELECT * FROM CHUNHA WITH (Holdlock) WHERE MACHUNHA = @MACHUNHA)
BEGIN
PRINT N'CHỦ NHÀ NÀY KHÔNG TỒN TẠI'
ROLLBACK TRANSACTION
RETURN
END
END TRY
BEGIN CATCH
PRINT N'LÕI NHẬP LIỆU'
ROLLBACK TRANSACTION
END CATCH
EXEC DELETE_NHABAN_NHOMNHANVIEN @MANHA
EXEC ADD_NHABAN_NHOMNHANVIEN @MANHA, @MALOAI, @DIACHI, @SOLUONGPHONG, @MACHINHANH, @MANVPHUTRACH, @MACHUNHA, @NGAYDANG, @NGAYHETHAN, @TINHTRANG, @SOLUOTXEM, @GIABAN, @DIEUKIENBAN
WAITFOR DELAY '0:0:05'
COMMIT TRANSACTION
go
EXEC UPDATE_NHABAN_NHOMNHANVIEN 'N2', 'LN01', N'TP Hồ Chí Minh', 2, 'CN02', '003', 'CN01', '2018/10/15 00:00:00', '2019/10/15 00:00:00', 'TRỐNG', 3, 45000000, 'TRÊN 22T'
--Unrepeatable Read
if OBJECT_ID ('KIEMTRATINHTRANG_NHANVIEN','P') is not null
drop proc KIEMTRATINHTRANG_NHANVIEN
GO
create proc KIEMTRATINHTRANG_NHANVIEN
AS
BEGIN TRANSACTION
SET TRANSACTION ISOLATION LEVEL REPEATABLE READ
IF NOT EXISTS(SELECT * FROM NHABAN WHERE MANHA = 'NT1'AND TINHTRANG = N'Hết')
PRINT N'NHÀ ĐÃ CHO THUÊ'
RETURN
COMMIT TRANSACTION
go
EXEC KIEMTRATINHTRANG_NHANVIEN