What?s the difference between PRIMARY KEY and UNIQUE in
MyISAM?
Answer Posted / niraj kumar
primary key is not accept the null value.primary key is
always autoincrement.unique key is accept the one null
value.it is not a autoincrement.
Is This Answer Correct ? | 4 Yes | 15 No |
Post New Answer View All Answers
Why do we use pragma autonomous transaction?
Where is the mysql data directory?
What is the difference between a heap table and temporary table?
Is Mysql query is case sensitive?
Can we store files in mysql?
How do I view a mysql database?
How can you create and drop view in mysql?
What language does mysql use?
How to create a new table by selecting rows from another table in mysql?
How can we optimize stored procedure?
How to start mysql server?
how to dump all databases for backup. Backup file is sql commands to recreate all db's.
Where is mysql installed on linux?
I want to find out all databases starting with ‘test’, I have access to?
How many types of indexes are there in mysql?