/SQL/Mysql alter add foreign key

Mysql alter add foreign key

Alter table add foreign key mysql

ALTER TABLE orders
ADD 
FOREIGN KEY (user_id) REFERENCES users(id) ON DELETE CASCADE;

9

Mysql alter add foreign key

ALTER TABLE ordenes ADD ticket VARCHAR(50) NOT NULL;
ALTER TABLE ordenes ADD CONSTRAINT fk_ticket FOREIGN KEY (ticket) REFERENCES tickets(ticket);

1

Source: es.stackoverflow.com

Similar codes

0 vote147 views1 answer
For row in sql database python loop
SQL
-1 vote124 views1 answer
How to use update trigger in sql
SQL
1 vote82 views1 answer
Postgresql last element of array
SQL
0 vote126 views2 answers
Many to many flask-sqlalchemy
SQL
0 vote127 views1 answer
Oracle create job if not exists
SQL
5 votes139 views1 answer
Sort order on two columns sql
SQL
3 votes172 views3 answers
List columns in table postgres
SQL
1 vote133 views1 answer
Oracle get current schema
SQL
0 vote99 views1 answer
Raven ql select count
SQL
0 vote137 views1 answer
<connectionStrings> <add name="MainDB" connectionString="Data Source=multidc02.its.com.pk,47328;Initial Catalog=ITSGeneralApplications;User ID=ITSGeneralAdmin;Password=TDsHn6TTyJohXCe"/> </connectionStrings>
SQL

Share