我有一张tbl_ECR_ProductData近 92356143 行的表。每周将 100000 行导入此表。
该表有 16 列，其中 2 列构成主键，其余列的类型为varchar.
我的问题是当我根据剩余的列值搜索表格时.. 它需要很长时间，将近 10 分钟。
我怎样才能最大限度地减少时间？请在这方面帮助我..感谢您的帮助...提前致谢！表结构如下
CREATE TABLE [tbl_ECR_ProductData](
[Serial Number] [varchar](255) NOT NULL,
[Act Number] [varchar](255) NULL,
[Act Date] [datetime] NULL,
[Act Location] [varchar](255) NOT NULL,
[Manufacturer] [varchar](255) NULL,
[ManufacturerPN] [varchar](255) NULL,
[Act Description] [varchar](255) NULL,
[Act PtNumber] [varchar](255) NULL,
[Act Code] [varchar](255) NULL,
[Act DateCode] [varchar](255) NULL,
[Pmrl] [varchar](255) NULL,
[Act ReceiveDate] [datetime] NULL,
[Act Channel] [varchar](255) NULL,
[Act Supplier] [varchar](255) NULL,
[ImportDate] [datetime] NULL
CONSTRAINT [PK_tbl_ECR_ProductData] PRIMARY KEY CLUSTERED
(
[Serial Number] ASC,
[Act Location] ASC
)WITH (PAD_INDEX = OFF, STATISTICS_NORECOMPUTE = OFF, IGNORE_DUP_KEY = OFF, ALLOW_ROW_LOCKS = ON, ALLOW_PAGE_LOCKS = ON, FILLFACTOR = 90) ON [PRIMARY]
)