Answer Posted / sonu kumar
primary of any table can't be null but unique can be
primary key may be a unique key but unique can't be a primary key b/c primary key of any relation cant be a null value
| Is This Answer Correct ? | 0 Yes | 0 No |
Post New Answer View All Answers
What is difference between mysqli and pdo?
How to create trigger in mysql workbench?
Write a query to select all teams that won either 1, 3, 5 or 7 games.
How can you handle the –secure-file-priv in mysql?
What is triggers?
How can you import tables from a sql file into a database by using the mysql client?
Is mysql is a programming language?
Does mysql need a server?
Is mysql owned by oracle?
Is mysql still popular?
How do I disconnect mysql workbench?
Is mysql same as mariadb?
Are stored procedures precompiled?
How can you retrieve a particular number of records from a table?
What is the difference between BLOB AND TEXT?
