Explain the term 'primary key' related to relational database management system?
No Answer is Posted For this Question
Be the First to Post Answer
TCS recently asked this question I have records like below Emp id Empname Salary DateTimestamp 1 AA 6000 20120609:11:30 1 AA 7000 20120609:12:30 1 AA 8000 20120609:01:30 I want to exceute records max timestamp(20120609:01:30)
What is the basic syntax for teradata select statement?
What is a dimension table?
What are the different softwares used with their functions in teradata?
What are some primary characteristics of teradata?
What are the main components of teradata system?
Write a single SQL to delete duplicate records from the a single table based on a column value. I need only Unique records at the end of the Query.
How does hashing happens in teradata?
How can we check the version of Teradata that we are using currently?
Is PK concept available in Teradata. If it is how can we create Primary Key for a table in TD
How do you eliminate duplicates?
if collect stats but it show low confidence why?