The use of LAST_VALUE() AND FIRST_VALUE() with an example
Answer / kivi
they are the analytic functions used get the first and last value from a group..
check the below link for more details
http://etltechsolutions.wordpress.com/2014/10/12/last_value-and-first_value-best-example/
Is This Answer Correct ? | 0 Yes | 0 No |
What is the purpose of queries in a database?
How to know the Architecture of the Database
Define atomicity and aggregation.
What is file manager?
What is system r? How many of its two major subsystems?
What is the use of PARFILE option in EXP command ?
What are the objectives of rdbms?
Explain 4nf?
what is the use of SYSTEM.EFFECTIVE.DATE varaible ?
What is sql and where is it used?
hi, i am new to database cau give me link where can i get about databse..
Explain meant by 3-tier architecture?