存在刪除重複記錄我有2臺EnquiryMaster和要求。 我想從表EnquiryMaster刪除重複的公司,其enqiryid不要求表沒有在其他表
CREATE TABLE [dbo].[EnquiryMaster](
[EnquiryId] [int] IDENTITY(1,1) NOT NULL,
[orgid] [int] NULL,
[uid] [int] NULL,
[Company] [varchar](160) COLLATE SQL_Latin1_General_CP1_CI_AS NULL,
[HeadOfficeAddress] [varchar](460) COLLATE SQL_Latin1_General_CP1_CI_AS NULL,
CONSTRAINT [PK_EnquiryMaster] PRIMARY KEY CLUSTERED
(
[EnquiryId] ASC
)WITH (PAD_INDEX = OFF, IGNORE_DUP_KEY = OFF) ON [PRIMARY]
) ON [PRIMARY]
CREATE TABLE [dbo].[Requirement](
[RequirementID] [int] IDENTITY(1,1) NOT NULL,
[uid] [int] NULL,
[orgid] [int] NULL,
[EnquiryID] [int] NULL,
[Company] [varchar](50) COLLATE SQL_Latin1_General_CP1_CI_AS NULL,
CONSTRAINT [PK_Requirement] PRIMARY KEY CLUSTERED
(
[RequirementID] ASC
)WITH (PAD_INDEX = OFF, IGNORE_DUP_KEY = OFF) ON [PRIMARY]
) ON [PRIMARY]
你的意思是你想刪除重複的公司或EnquiryMaster餐桌的全行那裏EnquiryID不要求存在嗎? – iceheaven31
重複記錄的整行 – user2147357
我有兩行與公司「Infosys」。我想刪除1,並且只保留其查詢ID不在要求表 – user2147357