Answer Posted / renu kakkar
PRIMARY REPRESENTS THE ROW/TUPPLE UNIQUELY WHEREAS
SECONDARY KEY REPRESENTS THE SET OF TUPPLES
EMPLOY_ID IS A PRIMARY KEY AND EMPLOY_DEPTT. IS A SECONDARY
KEY.
| Is This Answer Correct ? | 3 Yes | 9 No |
Post New Answer View All Answers
Is pl sql a programming language?
How to change sql*plus system settings?
What can you do with pl sql?
how to decrement dates by 1 in mysql? : Sql dba
Why do we use partitions in sql?
how to extract a unit value from a date and time? : Sql dba
what is query cache in mysql? : Sql dba
what happens when the column is set to auto increment and you reach the maximum value for that table? : Sql dba
how to get help information from the server? : Sql dba
what are integrity rules?
What is foreign key and example?
Is mariadb nosql?
What is the difference between an inner and outer join?
What is mutating error?
explain about mysql and its features. : Sql dba