多列如何添加主键，多列主键索引如何添加和修改

多列如何添加主键，多列主键索引如何添加和修改 /****** Object: Table [DataFileResultTable2] Script Date: 2025/12/12 22:31:01 ******/ GO CREATE TABLE [DataFileResultTable2]( [FileMngID] [varchar](32) NOT NULL, [Version] [smallint] NOT NULL, [ResultTableType] [smallint] NOT NULL, [RowNo] [int] NOT NULL, [ResultTableName] [nvarchar](64) NULL, [Text1] [nvarchar](128) NULL, [Text2] [nvarchar](128) NULL, [Text3] [nvarchar](128) NULL, [Text4] [nvarchar](128) NULL, [Text5] [nvarchar](128) NULL, [Text6] [nvarchar](64) NULL, [Double100] [float] NULL, CONSTRAINT [DataFileResultTable_pk] PRIMARY KEY CLUSTERED ( [FileMngID] ASC, [Version] ASC, [ResultTableType] ASC, [RowNo] ASC )WITH (PAD_INDEX = OFF, STATISTICS_NORECOMPUTE = OFF, IGNORE_DUP_KEY = OFF, ALLOW_ROW_LOCKS = ON, ALLOW_PAGE_LOCKS = ON, OPTIMIZE_FOR_SEQUENTIAL_KEY = OFF) ON [PRIMARY] ) ON [PRIMARY] GO