CREATE TABLE [dbo].[HIST_TestResult]( [No] [bigint] NOT NULL, [TestDT] [datetime2](7) NULL, [LogData] [nvarchar](MAX) NOT NULL, CONSTRAINT [PK_HIST_TestResult] PRIMARY KEY CLUSTERED ( [No] 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] TEXTIMAGE_ON [PRIMARY] GO ALTER TABLE [dbo].[HIST_TestResult] ADD DEFAULT (getdate()) FOR [TestDT] GO CREATE INDEX [HIST_TestResult_2] ON HIST_TestResult (TestDT, No); GO CREATE INDEX [HIST_TestResult_3] ON HIST_TestResult (TestDT); GO