I've table and data as following,CREATE TABLE [dbo].[acctInfo]( [idx] [int] IDENTITY(1,1) NOT NULL, [myID] [varchar](20) NOT NULL, [pwd] [varchar](100) NOT NULL, [fullNme] [varchar](50) NOT NULL, [daerahKutipan] [int] NOT NULL, [allowReceiptBackDated] [bit] NULL, [allowCheckedByOnOffcReceiptManagement] [bit] NULL, [acctStat] [int] NOT NULL, [crtBy] [varchar](20) NULL, [crtDte] [datetime] NULL, [updBy] [varchar](20) NULL, [updDte] [datetime] NULL, CONSTRAINT [PK_acctInfo] PRIMARY KEY CLUSTERED ( [idx] ASC)WITH (PAD_INDEX = OFF, STATISTICS_NORECOMPUTE = OFF, IGNORE_DUP_KEY = OFF, ALLOW_ROW_LOCKS = ON, ALLOW_PAGE_LOCKS = ON) ON [PRIMARY], CONSTRAINT [acctInfo_UQ1] UNIQUE NONCLUSTERED ( [myID] ASC)WITH (PAD_INDEX = OFF, STATISTICS_NORECOMPUTE = OFF, IGNORE_DUP_KEY = OFF, ALLOW_ROW_LOCKS = ON, ALLOW_PAGE_LOCKS = ON) ON [PRIMARY]) ON [PRIMARY]GOSET IDENTITY_INSERT [dbo].[acctInfo] ONINSERT [dbo].[acctInfo] ([idx], [myID], [pwd], [fullNme], [daerahKutipan], [allowReceiptBackDated], [allowCheckedByOnOffcReceiptManagement], [acctStat], [crtBy], [crtDte], [updBy], [updDte]) VALUES (1, N'sysownr', N'1925', N'Mohd Zailani Yunus', 1, 1, 1, 1, N'sysowner', CAST(0x00009F2C00000000 AS DateTime), N'sysowner', CAST(0x00009F2C00000000 AS DateTime))SET IDENTITY_INSERT [dbo].[acctInfo] OFF
sysownr is a root account. how to prevent sysownr to be deleted by the database user? if possibe, please let me know. if can't, please let me know the other way