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What is data merging, data cleansing and sampling?
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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 |
Mention some types of transformation?
Hi experts, > I 'm having data like this and it's in flat file. > sno,name,marks,result > 1, ak, 80,p > 2, , ,20,f > 3,jack,55,p > > now in the second row a comma(,) is placed instead of name(char). > > when importing into SQ , in flat file wizard the num of columns increased to 5 instead of 4. > > could you tell me how to over come this issue.........
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