Adding Primary keys and a Relationship to tables - sql

Question

I have compiled the following as an example of what i have done so far and would like to know how i should continue:
CREATE TABLE tblMembers
(
Member_ID int,
Name varchar(255)
);
CREATE TABLE tblHorses
(
Horse_ID int,
Name varchar(255),
Age int(10),
Member_ID int(10)
);
So i would like to specify both Member_ID and Horse_ID as the PK and create the relationship between tblMembers and tblHorses using Member_ID
I would also like to make the ID columns auto incremental
Thank you in advance

Answer 1

Is this what you ware asking?
CREATE TABLE tblMembers (
Member_ID int identity(1, 1) not null primary key
Name varchar(255)
);
CREATE TABLE tblHorses (
Horse_ID int identity(1, 1) not nullprimary key
Name varchar(255),
Age int,
Member_ID int references tblMembers(member_id)
);
Storing something like "age" in a column is a really bad idea. After all, age continually changes. You should be storing something like the date of birth.

Answer 2

CREATE TABLE tblMembers
(
Member_ID int AUTO_INCREMENT,
Name varchar(255)
PRIMARY KEY (MEMBER_ID)
);
CREATE TABLE tblHorses
(
Horse_ID int,
Name varchar(255),
Age int(10),
FOREIGN KEY (MEMBER_ID) REFERENCES tblMembers(MEMBER_ID)
PRIMARY KEY (HORSE_ID)
);
Following W3Schools' examples.

Answer 3

Use this. Fiddler Demo
Refer this for creating Primary Key,Foreign Key, Identity .
CREATE TABLE tblMembers
(
Member_ID int IDENTITY(1,1) Primary Key,
Name varchar(255)
);
CREATE TABLE tblHorses
(
Horse_ID int IDENTITY(1,1) Primary Key,
Name varchar(255),
Age int,
Member_ID int Foreign key (Member_ID) REFERENCES tblMembers(Member_ID)
);
Note: MS SQL doesn't support length in Integer Type.

Answer 4

try this
CREATE TABLE [dbo].[tblMembers](
[Member_ID] [int] IDENTITY(1,1) NOT NULL,
[Name] [varchar](255) NOT NULL,
CONSTRAINT [PK_tblMembers] PRIMARY KEY CLUSTERED
(
[Member_ID] ASC
)WITH (PAD_INDEX = OFF, STATISTICS_NORECOMPUTE = OFF, IGNORE_DUP_KEY = OFF, ALLOW_ROW_LOCKS = ON, ALLOW_PAGE_LOCKS = ON) ON [PRIMARY]
) ON [PRIMARY]
GO
CREATE TABLE [dbo].[tblHorses](
[Horse_ID] [int] IDENTITY(1,1) NOT NULL,
[Name] [varchar](255) NULL,
[Age] [int] NULL,
[Member_ID] [int] NOT NULL,
CONSTRAINT [PK_tblHorses] PRIMARY KEY CLUSTERED
(
[Horse_ID] ASC
)WITH (PAD_INDEX = OFF, STATISTICS_NORECOMPUTE = OFF, IGNORE_DUP_KEY = OFF, ALLOW_ROW_LOCKS = ON, ALLOW_PAGE_LOCKS = ON) ON [PRIMARY]
) ON [PRIMARY]
GO
ALTER TABLE [dbo].[tblHorses] WITH CHECK ADD CONSTRAINT [FK_tblHorses_tblMembers] FOREIGN KEY([Member_ID])
REFERENCES [dbo].[tblMembers] ([Member_ID])
GO
ALTER TABLE [dbo].[tblHorses] CHECK CONSTRAINT [FK_tblHorses_tblMembers]
GO

Answer 5

For Auto Incremental, you have to set PK column as identity(seed, value)
CREATE TABLE tblMembers (
Member_ID INT IDENTITY(1, 1) NOT NULL PRIMARY KEY
Name VARCHAR(255)
);
CREATE TABLE tblHorses (
Horse_ID INT IDENTITY(1, 1) NOT NULL PRIMARY KEY
Name VARCHAR(255),
Age INT,
Member_ID int REFERENCES tblMembers(Member_id)
);

Answer 6

Try below
CREATE TABLE tblMembers (
Member_ID int identity(1, 1) not null
Name varchar(255)
PRIMARY KEY (Member_ID )
);
CREATE TABLE tblHorses (
Horse_ID int identity(1, 1) not null
Name varchar(255),
Age int,
PRIMARY KEY (Horse_ID)
Member_ID int references tblMembers(member_id)
);