-- Database schema
| people : Customer ID [ TEXT ] , Customer Name [ TEXT ] , Segment [ TEXT ] , Country [ TEXT ] , City [ TEXT ] , State [ TEXT ] , Postal Code [ INTEGER ] , Region [ TEXT ] | product : Product ID [ TEXT ] , Product Name [ TEXT ] , Category [ TEXT ] , Sub-Category [ TEXT ] , Region [ TEXT ] | central_superstore : Row ID [ INTEGER ] primary_key , Order ID [ TEXT ] , Order Date [ DATE ] , Ship Date [ DATE ] , Ship Mode [ TEXT ] , Customer ID [ TEXT ] central_superstore.Customer ID = people.Customer ID , Region [ TEXT ] central_superstore.Region = people.Region , Product ID [ TEXT ] central_superstore.Product ID = product.Product ID , Sales [ REAL ] , Quantity [ INTEGER ] , Discount [ REAL ] , Profit [ REAL ] | east_superstore : Row ID [ INTEGER ] primary_key , Order ID [ TEXT ] , Order Date [ DATE ] , Ship Date [ DATE ] , Ship Mode [ TEXT ] , Customer ID [ TEXT ] east_superstore.Customer ID = people.Customer ID , Region [ TEXT ] east_superstore.Region = people.Region , Product ID [ TEXT ] east_superstore.Product ID = product.Product ID , Sales [ REAL ] , Quantity [ INTEGER ] , Discount [ REAL ] , Profit [ REAL ] | south_superstore : Row ID [ INTEGER ] primary_key , Order ID [ TEXT ] , Order Date [ DATE ] , Ship Date [ DATE ] , Ship Mode [ TEXT ] , Customer ID [ TEXT ] south_superstore.Customer ID = people.Customer ID , Region [ TEXT ] south_superstore.Region = people.Region , Product ID [ TEXT ] south_superstore.Product ID = product.Product ID , Sales [ REAL ] , Quantity [ INTEGER ] , Discount [ REAL ] , Profit [ REAL ] | west_superstore : Row ID [ INTEGER ] primary_key , Order ID [ TEXT ] , Order Date [ DATE ] , Ship Date [ DATE ] , Ship Mode [ TEXT ] , Customer ID [ TEXT ] west_superstore.Customer ID = people.Customer ID , Region [ TEXT ] west_superstore.Region = people.Region , Product ID [ TEXT ] west_superstore.Product ID = product.Product ID , Sales [ REAL ] , Quantity [ INTEGER ] , Discount [ REAL ] , Profit [ REAL ] |
-- -- Among all the orders made by Aimee Bixby, what was the longest shipment time?

SELECT MAX(strftime('%J', `Ship Date`) - strftime('%J', `Order Date`)) AS longestTimeDays FROM people AS T1 INNER JOIN central_superstore AS T2 ON T1.`Customer ID` = T2.`Customer ID` WHERE T1.`Customer Name` = 'Aimee Bixby';