Mine

CREATE TABLE skus(sku varchar(50) primary key,
                total_allotment UNSIGNED INT,			// Total Allotment
                current_allotment UNSIGNED INT,			// Current Available Allotment
                committed_allotment UNSIGNED INT);		// Total Sold Allotment
                
CREATE TABLE skus_pending(session_id CHAR(32),
                          sku VARCHAR(50),
                          quantity UNSIGNED INT);