In which situations we can use normal and sparse lookup
stages
Answer Posted / subbuchamala
Sparse LookUp:
for each source value, It will go refernce Database and get the Output.
Normal lookup:- 90% data in primary like(source
table) and 10% data of Refference link(lookup table)then we can use normal lookup.and the normal
lookup data uses in the temporary memory(RAM).
Sparse lookup:- 10% data in primary like(source
table) and 90% data of Refference link(lookup table)then we can use sparse lookup.
| Is This Answer Correct ? | 1 Yes | 0 No |
Post New Answer View All Answers
Can you explain players in datastage?
how to achieve this output ? Two Input columns(ID & Name) - ID | Name 1 | Jack 1 | Kara In output there should be only 1 column which will be populated as - 1,Jack 1,Kara
How to reverse the string using unix?
What is datastage engine?
What are the different layers in the information server architecture?
What are the partitioning techniques available in link partitioner?
What are the steps required to kill the job in Datastage?
What is the purpose of pivot stage?
What is the Environment Variable need to Set to TRIM in Project Level?(In transfermer, we TRIM function but I need to impliment this project level using Environment variable)
Describe the main features of datastage?
What are stage variables?
What are the features of datastage flow designer?
1.new record it will insert but changes of natural key is not present in taget i want to update (here key is composite natural key )can any one help this to explan how to do
What are the types of hashed files in data stage
what are the errors,warnings in datastage