Can a table have two primary keys?
Answer Posted / suresh somayajula
A table can have Only One Primary key. But a table can have
composite Primary key. that means we can create composite
primary key
upto 16 columns only.
suresh.
suresh_somayajula@hotmail.com
Is This Answer Correct ? | 52 Yes | 4 No |
Post New Answer View All Answers
what is a trigger? : Sql dba
What does over partition by mean in sql?
What is a loop in sql?
How to select the Nth maximum salary from Table Emp in Oracle SQL Plus ?
how to start mysql server? : Sql dba
How many unique keys can a table have?
How can you fetch common records from two tables?
Explain the difference between cursor declared in procedures and cursors declared in the package specification?
What is error ora-01000: maximum open cursors exceeded
Define tables and fields in a database
What is sqlca in powerbuilder?
What are secondary keys?
what are the non-standard sql commands supported by 'mysql'? : Sql dba
How does one use sql*loader to load images, sound clips and documents? : aql loader
Can you have more than one trigger on a table?