Interested to Buy Any Domain ? << Click Here >> for more details...
Answer Posted / hr@tgksolutions.com
• Use DISTINCT in queries to filter duplicates.
• Use ROW_NUMBER() to identify duplicates:
DELETE FROM Employees
WHERE id NOT IN (
SELECT MIN(id)
FROM Employees
GROUP BY name, email
);
• Implement unique constraints on key fields.
| Is This Answer Correct ? | 0 Yes | 0 No |
Post New Answer View All Answers
How to grant create session privilege to a user in oracle?
Explain the truncate in oracle?
Design database draw er diagram for a certain scenario ?
What is Undo Management Advisor in Oracle?
How to use subqueries in the from clause in oracle?
How do you find current date and time in oracle?
How to declare a local variable?
How translate command is different from replace?
What is an Oracle Instance?
What do you mean by a tablespace?
what is the use of triggers in Java program? I mean where do we use triggers in Java programming?
How to rename an index in oracle?
What is the difference between count (*), count (expression), count (distinct expression)?
What is logical backup in oracle?
what is the difference between functional dependecy and multilevel dependency?
