Each drop-down menu. Complete the sentences related to activities performed in the transform step when moving data into a data warehouse.

involves dividing a single column into multiple columns. involves checking the data for correctness.
first drop down " splitting , cutting , deleting"
second drop down "validation , information , filtering

'Splitting' involves dividing a single column into multiple columns.

'Validation' involves checking the data for correctness. (there slight possibility I am wrong for this one)

I hope I provided some great assistance for you, have a good day, young programer.

answer; (wage) income

which functions return a valid value without any arguments?

(-blank- and -blank- return a valid value without any arguments.)

1st -blank-

today

sqrt

count

2nd -blank-

round

now

sqrt