How do I specify unique constraint for multiple columns in MySQL?

How do I specify unique constraint for multiple columns in MySQL?

mysql unique-constraint composite-key database-table

mysql

MySQL > Table doesn't exist. But it does (or it should)

mysql exists database-table

mysql

Maximum number of records in a MySQL database table

mysql database limit database-table

mysql

Mysql: Select rows from a table that are not in another

mysql sorting unique database-table

mysql

Which is more efficient: Multiple MySQL tables or one large table?

mysql database-table

mysql

Import CSV to mysql table

mysql csv import load-data-infile database-table

mysql

Is there any reason to worry about the column order in a table?

mysql sql database-table

mysql

Create table variable in MySQL

mysql variables database-table

mysql

MySQL: Select Random Entry, but Weight Towards Certain Entries

php mysql select random database-table

mysql

MySQL - Select from a list of numbers those without a counterpart in the id field of a table

mysql set temp database-table

mysql

How can I delete the contents of all tables in my database in phpMyAdmin without dropping the database?

mysql phpmyadmin database-table

mysql

SELECT data FROM two tables in MySQL

mysql select union database-table

mysql