What?s the difference between PRIMARY KEY and UNIQUE in
MyISAM?
Answer Posted / amith
PRIMARY KEY cannot be null, so essentially PRIMARY KEY is
equivalent to UNIQUE NOT NULL
| Is This Answer Correct ? | 28 Yes | 8 No |
Post New Answer View All Answers
How can we get the number of rows affected by query?
How do I get a list of table names in mysql?
What is mysqladmin flush hosts?
How big is a blob mysql?
What are the functions of mysql?
Write a query to display even rows in student table using mysql?
What is normalization and list the different types of normalization?
What is inner join in mysql?
What is the latest version of php and mysql?
What is query log in mysql?
How to Set a root password if there is on root password.
In how many ways we can retrieve the data in the result set of MySQL using PHP? What is the difference between mysql_fetch_object and mysql_fetch_array ?
What is mysql common?
Who developed mysql?
How to convert character strings to dates?