What?s the difference between PRIMARY KEY and UNIQUE in
MyISAM?
Answer Posted / manish
Primary Keys are used in building relationships between
tables in a database. (an index is automatically created on
the primary key). The difference between primary and
ordinary keys is that there can be multiple keys, but only
one primary key.
| Is This Answer Correct ? | 7 Yes | 20 No |
Post New Answer View All Answers
How to concatenate two character strings?
Which is better mysql or microsoft sql?
Is postgresql better than mysql?
How can you calculate the sum of any column of a table?
How triggers can be used in mysql?
What is heap table?
What is mysql used for?
What is flush privileges in mysql?
Is mysqli secure?
Is oracle better than mysql?
how we will Show selected records sorted in an ascending (asc) or descending (desc).
How is myisam table stored?
Can mysql handle billions of records?
What is pdo mysql?
What is data in mysql?