What is data merging, data cleansing and sampling?
Answers were Sorted based on User's Feedback
Answer / rekha
DATAMERGING : IT IS THE PROCESS OF INTEGRATING THA DATA
WITH SIMLIAR SOURCE ,STRUCTURE AND TYPE
DATA CLEANSING : IT IS THE PROCESS OF IDENTIFING AND
CHANGING THE INCONSISTANCIES AND INACCURACIES
DATA SAMPLING : IT IS A PROCESS , ORBITARILY READING THE
DATA FROM GROP OF RECORDS
| Is This Answer Correct ? | 10 Yes | 0 No |
Answer / dev
Data Cleansing: A two step process of detection and
correction of errors in a data set.
| Is This Answer Correct ? | 11 Yes | 4 No |
Answer / amsarasu
data merging :multiple detailes values are summarised into
single summaeised value.
data cleansing:to eliminate the inconsistant data
sampling:it is the process ,orbitarly reading the data from
group of records.
| Is This Answer Correct ? | 6 Yes | 2 No |
Answer / sudheer
The main thing Merging of data is nothing but integrating from multiple source systems. It is in 2 types
1.Horizontal merging(Join)
2.Vertical Merging(Union)
| Is This Answer Correct ? | 3 Yes | 0 No |
Answer / sridhar
Data Merging:The process of standing the Structure Of The table(table name,column name,column type.
| Is This Answer Correct ? | 0 Yes | 0 No |
Answer / sarat
datacleaging:it is the process of identifying and changing
inconsistency and inacquries
datamerging:it is process of integreated multiple
inputsource into singleoutput with similar srtucture and
datatype
| Is This Answer Correct ? | 1 Yes | 2 No |
What are the different components of powercenter?
write a query to get maximum salary from the employers table without duplicates....kindly help me
Issue with Update override at Target table in Informatica.
Can you create a flatfile target
while for 100 records in source table loaded sucessfully in trgt table . assume ,session will take 10min or 5 min to successfully succeeded. then 100 million records r there in source how much time will take by session to succeeded. there no fail ok.trgt table will load 100 million records with out any errors . don't tell perfect time . assume your self how much time to succeeded?
My source data like... Empid Name 10 chandra 10 sekhar I am expecting result is Empid Ename 10 Chandrasekhar How can we solve this prob?
Please let me know how to make encryption and decryption with example?
How many mapplets u have created? and what is the logic used
I have 2records in target table and this record is deleted in source. Now if I run mapping twice how many records do target will have, source having 10records. Same with incrementally. Please answer me ASAP.
i have a session which creates a file every time when i runs the session, but it replaces the first file with second file,i want to append the second file follwed by first file when i runs the session,how to achieve this?
How/where can i install Informatica software with oracle or teradata as database
Why do you use Mapping Parameter and mapping variable?