I've tables and data as following,CREATE TABLE [dbo].[paymentType]( [idx] [int] IDENTITY(1,1) NOT NULL, [cd] [varchar](10) NOT NULL, [descp] [varchar](100) NOT NULL, CONSTRAINT [PK_paymentType] 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]) ON [PRIMARY]CREATE TABLE [dbo].[agroType]( [idx] [int] IDENTITY(1,1) NOT NULL, [cd] [varchar](10) NOT NULL, [descp] [varchar](100) NOT NULL, CONSTRAINT [PK_agroType] 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 [agroTypeUQ1] UNIQUE NONCLUSTERED ( [cd] ASC)WITH (PAD_INDEX = OFF, STATISTICS_NORECOMPUTE = OFF, IGNORE_DUP_KEY = OFF, ALLOW_ROW_LOCKS = ON, ALLOW_PAGE_LOCKS = ON) ON [PRIMARY]) ON [PRIMARY]CREATE TABLE [dbo].[kwspType]( [idx] [int] IDENTITY(1,1) NOT NULL, [cd] [varchar](10) NOT NULL, [descp] [varchar](100) NOT NULL, CONSTRAINT [PK_kwspType] 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 [kwspTypeUQ1] UNIQUE NONCLUSTERED ( [cd] ASC)WITH (PAD_INDEX = OFF, STATISTICS_NORECOMPUTE = OFF, IGNORE_DUP_KEY = OFF, ALLOW_ROW_LOCKS = ON, ALLOW_PAGE_LOCKS = ON) ON [PRIMARY]) ON [PRIMARY]CREATE TABLE [dbo].[PaymentItem]( [idx] [int] IDENTITY(1,1) NOT NULL, [paymentType] [int] NOT NULL, [amount] [decimal](10, 2) NOT NULL, [info1] [varchar](10) NULL, [info2] [varchar](50) NULL, CONSTRAINT [PK_PaymentItem] 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]) ON [PRIMARY]insert into paymentType values('agroType','Agriculture');insert into paymentType values('kwspType','KWSP');insert into agroType values('lmb','Lembu');insert into agroType values('kbg','Kambing');insert into kwspType values('ltat','Lembaga Angkatan Tentera');insert into kwspType values('kbi','Koperasi Belia');I'm looking for help to create Check Constraints on PaymentItem. The condition as following:1. If paymentType='agroType', then info1 only can accept cd from agroType table ~ agroType(cd)2. If paymentType='kwspType', then info1 only can accept cd from kwspType table ~ kwspType(cd)I hope it's possible.If not possible, please consult