How do I find duplicates in two columns?


No Answer is Posted For this Question
Be the First to Post Answer

Post New Answer

More SQL PLSQL Interview Questions

In a distributed database system, can we execute two queries simultaneously?

0 Answers  


What is a nested table in word?

0 Answers  


What is the relation b/w view and trigger

3 Answers   Accenture, TCS,


How do I edit a trigger in sql developer?

0 Answers  


How many unique keys can a table have?

0 Answers  






How to count the no of records of a table without using COUNT function?

11 Answers   TCS, Tesco,


What are the components of a PL/SQL block ?

3 Answers  


What is sql integrity?

0 Answers  


how many values can the set function of mysql take? : Sql dba

0 Answers  


Can you have a foreign key without a primary key?

0 Answers  


What do you understand by pl/sql records?

0 Answers  


What is the maximum number of triggers, you can apply on a single table?

0 Answers  


Categories