Example

-ds "demo_lookback" \
-rd "2017-07-29" \
-lib "/opt/owl/drivers/mysql" \
-cxn "mysql" \
-q "select  * from lake.dateseries where DATE_COL = '2017-07-29' " \      
-dc DATE_COL \
-dl \ 
-dlkey sym \
-dllb 4 \
-fllb

File look back is used with deep learning or pattern matching. In the example above it is used with deep learning.

-fllb

This is often used with files and in conjunction with -adddc in cases where a date column is not in an ideal format or you do not have a date column on the given dataset

Despite the name, this can be used with file or database storage formats.

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