retrieve data from the last 3 months

[trimech]

hi,

i'am developping a job to do :

• insert/update data from a DWH Oracle to a dataMart
• The only condition is i should collect data who is I need to retrieve data from the last 3 months
• In my DB i have a column name Month where i can figure out the condition.

i thought of retrieving the month from my database by the month column. After I compare the month of job cut with the month in the database. how to compare, i need your help. Thank you

[Anonymous]

What data you can retrieve from database? Can you show an example?