USE DB
GO
IF NOT EXISTS(SELECT Name FROM SysColumns WHERE id=Object_Id('[HIS_QUEUE]') AND Name = 'InsertDateTime')
BEGIN
ALTER TABLE HIS_QUEUE ADD InsertDateTime datetime DEFAULT (CONVERT([date],CONVERT([varchar](100),getdate(),(23)),(23)))
END
GO
IF NOT EXISTS(SELECT Name FROM SysColumns WHERE id=Object_Id('[QUEUEDETAIL]') AND Name = 'InsertDateTime')
BEGIN
ALTER TABLE QUEUEDETAIL ADD InsertDateTime datetime DEFAULT (CONVERT([date],CONVERT([varchar](100),getdate(),(23)),(23)))
END
GO
update QUEUEDETAIL set InsertDateTime=(CONVERT([datetime], QUEUEDETAIL.APPOINTDATE ,(20)))
update HIS_QUEUE set InsertDateTime=(CONVERT([datetime], HIS_QUEUE.[InsertDate] ,(20)))
GO
/****** Object: Index [DF_HISQUEUE_InsertDateTime] Script Date: 2023-05-31 10:21:54 ******/
IF EXISTS (SELECT name FROM sys.indexes
WHERE name = N'DF_HISQUEUE_InsertDateTime')
DROP INDEX [DF_HISQUEUE_InsertDateTime] ON [dbo].[HIS_QUEUE] WITH ( ONLINE = OFF )
GO
/****** Object: Index [DF_HISQUEUE_InsertDateTime] Script Date: 2023-05-31 10:21:54 ******/
CREATE CLUSTERED INDEX [DF_HISQUEUE_InsertDateTime] ON [dbo].[HIS_QUEUE]
(
InsertDateTime desc,
[APPOINTSDATE] DESC,
[APPKIND] DESC,
[HISEXAMNO] DESC,
[HISID] DESC,
[NAME] DESC,
[QUEUENAME] DESC,
[EXECUTEDEPT] DESC
)WITH (PAD_INDEX = OFF, STATISTICS_NORECOMPUTE = OFF, SORT_IN_TEMPDB = OFF, DROP_EXISTING = OFF, ONLINE = OFF, ALLOW_ROW_LOCKS = ON, ALLOW_PAGE_LOCKS = ON) ON [PRIMARY]
GO
/****** Object: Index [DF_QUEUEDETAIL_InsertDateTime] Script Date: 2023-05-31 10:34:41 ******/
IF EXISTS (SELECT name FROM sys.indexes
WHERE name = N'DF_QUEUEDETAIL_InsertDateTime')
DROP INDEX [DF_QUEUEDETAIL_InsertDateTime] ON [dbo].[QUEUEDETAIL] WITH ( ONLINE = OFF )
GO
/****** Object: Index [DF_QUEUEDETAIL_InsertDateTime] Script Date: 2023-05-31 10:34:41 ******/
CREATE CLUSTERED INDEX [DF_QUEUEDETAIL_InsertDateTime] ON [dbo].[QUEUEDETAIL]
(
InsertDateTime desc,
[APPOINTDATE] DESC,
[APPKIND] DESC,
[HISEXAMNO] DESC,
[QUEUENAME] DESC,
DIRECTION DESC,
--CheckItemRemark DESC,
PARTOFCHECK DESC
)WITH (PAD_INDEX = OFF, STATISTICS_NORECOMPUTE = OFF, SORT_IN_TEMPDB = OFF, DROP_EXISTING = OFF, ONLINE = OFF, ALLOW_ROW_LOCKS = ON, ALLOW_PAGE_LOCKS = ON) ON [PRIMARY]
GO
注:主键列默认为聚簇索引,聚簇索引只能有一个,非聚簇索引可以有多个
一般建议在对表创建索引时,使用日期类型的列创建且创建为降序。
