我在此表中存储营业时间.企业可以在同一天有多个营业时间.关闭时间可以在当天午夜之后.
CREATE TABLE [Process].[OpeningHours](
[openinghoursid] [int] IDENTITY(1,1) NOT NULL,
[businessid] [int] NOT NULL,
[daynumber] [int] NOT NULL,
[opentime] [time](7) NOT NULL,
[duration] [int] NOT NULL,
[closetime] AS (dateadd(minute,[duration],[opentime])
)
此表中的示例数据包括:
INSERT [Process].[OpeningHours]
([openinghoursid], [businessid], [daynumber], [opentime], [duration])
VALUES (79, 18, 2, CAST(N'12:00:00' AS Time), 165),
(80, 18, 2, CAST(N'18:00:00' AS Time), 240),
(81, 18, 3, CAST(N'12:00:00' AS Time), 165),
(82, 18, 3, CAST(N'18:00:00' AS Time), 240),
(83, 18, 4, CAST(N'12:00:00' AS Time), 165),
(84, 18, 4, CAST(N'18:00:00' …