Breaking News: Grepper is joining You.com. Read the official announcement!

Add foreign key

Add Answer

Gorgeous Gorilla answered on January 27, 2021 Popularity 9/10 Helpfulness 2/10

answer Add foreign key

related alter foreign key

related add foreign key sql

related foreign key

related Add foreign key to existing table

related foreign key

related adding foreign key

Add foreign key

Comment

ALTER TABLE Evaluation
ADD CONSTRAINT FK_Evaluation_CodeEpreuve
FOREIGN KEY (CodeEpreuve) REFERENCES YourReferencedTable(ReferencedColumn);

Popularity 9/10 Helpfulness 2/10 Language sql

Source: chat.openai.com

Tags: add key sql

Link to this answer
Share Copy Link

Contributed on Jun 27 2023

Gorgeous Gorilla

0 Answers Avg Quality 2/10

Closely Related Answers

alter foreign key

Comment

ALTER TABLE Employee
ADD FOREIGN KEY (DeptNo) REFERENCES Department(DeptNo);

Popularity 10/10 Helpfulness 10/10 Language sql

Source: www.computerscienceai.com

Tags: alter alte

Link to this answer
Share Copy Link

Contributed on Jul 06 2021

sree_007

0 Answers Avg Quality 2/10

add foreign key sql

Comment

ALTER TABLE sounds ADD COLUMN sounds INT NOT NULL,
ADD FOREIGN KEY (sounds) REFERENCES characters(character_id);

Popularity 10/10 Helpfulness 5/10 Language sql

Source: Grepper

Tags: add

Link to this answer
Share Copy Link

Contributed on Jan 20 2023

Zarden

0 Answers Avg Quality 2/10

foreign key

Comment

CREATE TABLE Employee(
    EmployeeID int NOT NULL,
    LastName varchar(50) NOT NULL,
    FirstName varchar(20) NOT NULL,
    Age int,
    DeptNo int,
    PRIMARY KEY (EmployeeID),
    FOREIGN KEY (DeptNo) REFERENCES Department(DeptNo)
);

Popularity 10/10 Helpfulness 4/10 Language sql

Source: www.computerscienceai.com

Tags: key

Link to this answer
Share Copy Link

Contributed on Jul 06 2021

sree_007

0 Answers Avg Quality 2/10

Add foreign key to existing table

Comment

ALTER TABLE message ADD FOREIGN KEY (sender) REFERENCES users;

Popularity 10/10 Helpfulness 4/10 Language sql

Source: dba.stackexchange.com

Tags: add

Link to this answer
Share Copy Link

Contributed on Mar 02 2022

0 Answers Avg Quality 2/10

Add foreign key to existing table

Comment

ALTER TABLE message ADD FOREIGN KEY (sender) REFERENCES users;

Popularity 10/10 Helpfulness 3/10 Language sql

Source: dba.stackexchange.com

Tags: add

Link to this answer
Share Copy Link

Contributed on Mar 02 2022

0 Answers Avg Quality 2/10

Add foreign key to existing table

Comment

-1

ALTER TABLE message ADD FOREIGN KEY (sender) REFERENCES users;

Popularity 10/10 Helpfulness 3/10 Language sql

Source: dba.stackexchange.com

Tags: add

Link to this answer
Share Copy Link

Contributed on Mar 02 2022

0 Answers Avg Quality 2/10

foreign key

Comment

USE Organization
CREATE TABLE Employee
(
Id INT PRIMARY KEY IDENTITY(1,1),
Name VARCHAR (50) NOT NULL,
Age INT,
Gender VARCHAR (50),
Dep_Id int FOREIGN KEY REFERENCES Department(Id),
Insur_Id int FOREIGN KEY REFERENCES Insurance(Id)
)

Popularity 10/10 Helpfulness 3/10 Language sql

Source: codingsight.com

Tags: key

Link to this answer
Share Copy Link

Contributed on Oct 12 2021

Adorable Armadillo

0 Answers Avg Quality 2/10

foreign key

Comment

Foreign Key: 
It is a column that comes from a different table and
using Foreign key tables are related each other
It is the primary key of another table
It can be duplicate or null for another table


Primary Key :
It is unique column in every table in a database
It can ONLY accept;
    - nonduplicate values
    - cannot be NULL

Unique Key:
Only unique value and also can contain NULL

Popularity 10/10 Helpfulness 2/10 Language whatever

Source: Grepper

Tags: key

Link to this answer
Share Copy Link

Contributed on Jan 27 2021

Obedient Ocelot

0 Answers Avg Quality 2/10

adding foreign key

Comment

create table author (author_id integer primary key, 
                            authorName varchar(30), 
                            email varchar (25), gender varchar (6));

create table book (BookId integer not null unique, 
                        ISBN integer primary key, 
                       book_name varchar (30) not null, 
                        author integer, ed_num integer, 
                      price integer, pages integer, 
         foreign key (author) references author (author_id) on delete cascade);

Popularity 9/10 Helpfulness 2/10 Language sql

Source: www.geeksforgeeks.org

Tags: key sql

Link to this answer
Share Copy Link

Contributed on Apr 12 2023

Vast Vole

0 Answers Avg Quality 2/10

Add foreign key

Contents

More Related Answers

Add foreign key

Closely Related Answers

alter foreign key

add foreign key sql

foreign key

Add foreign key to existing table

Add foreign key to existing table

Add foreign key to existing table

foreign key

foreign key

adding foreign key

Grepper

Documentation

Social

Legal

Contact

Oops, You will need to install Grepper and log-in to perform this action.