sql server 已存在表创建分区

最新推荐文章于 2023-07-04 22:34:32 发布

louieyu986

最新推荐文章于 2023-07-04 22:34:32 发布

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本文链接：https://blog.youkuaiyun.com/louieyu986/article/details/80171211

本文介绍了一次针对 SQL Server 中 UserInfo 表的优化过程，包括删除并重建主键约束、创建聚集索引及分区方案等操作，旨在提高数据库查询效率。

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USE [MyTest]
GO
BEGIN TRANSACTION
ALTER TABLE [dbo].[UserInfo] DROP CONSTRAINT [PK_UserInfo]

ALTER TABLE [dbo].[UserInfo] ADD CONSTRAINT [PK_UserInfo] PRIMARY KEY NONCLUSTERED
(
[Id] ASC
)WITH (PAD_INDEX = OFF, STATISTICS_NORECOMPUTE = OFF, SORT_IN_TEMPDB = OFF, IGNORE_DUP_KEY = OFF, ONLINE = OFF, ALLOW_ROW_LOCKS = ON, ALLOW_PAGE_LOCKS = ON) ON [PRIMARY]

SET ANSI_PADDING ON

CREATE CLUSTERED INDEX [ClusteredIndex_on_partitionSchemeArea_636587927239864114] ON [dbo].[UserInfo]
(
[Area]
)WITH (SORT_IN_TEMPDB = OFF, DROP_EXISTING = OFF, ONLINE = OFF) ON [partitionSchemeArea]([Area])

DROP INDEX [ClusteredIndex_on_partitionSchemeArea_636587927239864114] ON [dbo].[UserInfo]

COMMIT TRANSACTION