Temario:Agregar y eliminar la clave primaria (alter table)
Add an AUTO_INCREMENT column as PRIMARY KEY in MySQL table
MySQL Key Constraints
Dropping a Primary Key Constraint in SQL Server – is it easy? May be. May be not!
MySQL Primary Key: CREATE and ALTER TABLE Statements - Devart Blog
Oracle Drop Primary Key from a Oracle Database Table via the Alter Table Command
SQL Query to Remove Primary Key - GeeksforGeeks
Sql Server Disable Primary Key - javatpoint
SQL query to remove primary key assignment from column in SQL Server - Stack Overflow
KB-1413 MySQL Best Practices - Primary Key or unique index on every table - Appian Knowledge Base - Support - Appian Community
MySQL Primary Key: CREATE and ALTER TABLE Statements - Devart Blog
MySQL Key Constraints
MySQL Drop Primary Key from a MySQL Database Table via the Alter Table Command
AWS Redshift Drop Primary Key from a Table via the Alter Table Drop Constraint Command
How To Use Primary Key In Oracle
MySQL Drop Foreign Key | How to Drop Foreign Key in MySQL?
What is Primary Key, Create Primary Key , Alter Primary Key and Drop Primary Key | MySQL Tutorial - YouTube
Temario:Borrado de índices (alter table - drop index)
SQL database refactoring techniques – Replacing a natural key with a surrogate key
How to add a foreign key using ALTER in MySQL - GeeksforGeeks
SQL PRIMARY KEY: How to Create & Add to Existing Table
mysql - How can I drop multiple primary keys in phpmyadmin tables? - Stack Overflow
Create Alter Drop Table using MySQL Workbench - Dot Net Tutorials
SQL PRIMARY KEY: How to Create & Add to Existing Table
MySQL Primary Key - javatpoint
DELETE CASCADE and UPDATE CASCADE in SQL Server foreign key
Alter Table (ADD and REMOVE Primary Key) | MYSQL Commands Class 12 Computer Science - YouTube
How to drop column from table using MySQL DROP COLUMN
