What is skew and skew measurement?
Submitted by: Administratorskew is the mesaureof data flow to each partation .
suppose i/p is comming from 4 files and size is 1 gb
1 gb= ( 100mb+200mb+300mb+5oomb)
1000mb/4= 250 mb
(100- 250 )/500= --> -150/500 == cal ur self it wil come in -ve value.
calclu for 200,500,300.
+ve value of skew is allways desriable.
skew is a indericet measure of graph.
Submitted by: Administrator
suppose i/p is comming from 4 files and size is 1 gb
1 gb= ( 100mb+200mb+300mb+5oomb)
1000mb/4= 250 mb
(100- 250 )/500= --> -150/500 == cal ur self it wil come in -ve value.
calclu for 200,500,300.
+ve value of skew is allways desriable.
skew is a indericet measure of graph.
Submitted by: Administrator
Read Online Ab Initio Job Interview Questions And Answers
Top Ab Initio Questions
| ☺ | How do you convert 4-way MFS to 8-way mfs? |
| ☺ | What is skew and skew measurement? |
| ☺ | What is local and formal parameter? |
| ☺ | What is the difference between rollup and scan? |
| ☺ | What does dependency analysis mean in Ab Initio? |
Top Data Warehouse Job Categories
| ☺ | Warehouse Assistant Interview Questions. |
| ☺ | Ab Initio Interview Questions. |
| ☺ | Data Stage Interview Questions. |
| ☺ | ColdFusion Interview Questions. |
| ☺ | Data Warehouse Supervisor Interview Questions. |
