Can a table have two primary keys?
Answer Posted / sankar
yes any table has only one primary key.but the basic idea
of pk is ....primary key=NOTNULL+UNIQUE KEY.which we can
give any column to a table and act as primary key
Is This Answer Correct ? | 60 Yes | 28 No |
Post New Answer View All Answers
What will you get by the cursor attribute sql%rowcount?
what is isam? : Sql dba
What is the difference between functions, procedures, and packages in pl/sql?
How do you pronounce sql?
How delete all records from table in sql?
What is normalization? How many normalization forms are there?
Which one is better sql or oracle?
Why do we use procedures?
What is file based approach?
Define overloaded procedure?
Can we use distinct and group by together?
What is the use of %rowtype?
What is mutating sql table?
What is the difference between partitioning and sharding?
What are the types of views in sql?