Skip to content
Product cover

Problem Solving By Design

July 1, 2009 | Michael S. Hopkins, John Shook | Data, AI, & Machine Learning

In his book Managing to Learn, John Shook deconstructs the problem-solving journey of one manager and his mentor, and the management mechanism that guided them. The backstory? Shook knows the journey firsthand.

Purchase Options

Educator and Student Discounts Available. Learn more »

  BENCHMARKS  
Loading Time: Base Classes  0.0006
My Controller Construct  0.0003
Build Nav  0.0005
Controller Execution Time ( Products / Route )  0.0536
Total Execution Time  0.0542
  GET DATA  
No GET data exists
  MEMORY USAGE  
1.5613 MB
  POST DATA  
No POST data exists
  URI STRING  
store/problem-solving-by-design
  CLASS/METHOD  
products/route
  DATABASE:  MITSLOAN_DEV   QUERIES: 68  (Hide)
0.0003  

SELECT *
FROM (`carts`)
WHERE `cart_id` =  '7097b1ca3694b74cce5fd792b0f200da'
ORDER BY `created_at` DESC 
0.0002  

SELECT *
FROM (`carts`)
WHERE `cart_id` =  '7097b1ca3694b74cce5fd792b0f200da'
ORDER BY `created_at` DESC 
0.0001  

SELECT *
FROM (`carts`)
WHERE `cart_id` =  '7097b1ca3694b74cce5fd792b0f200da'
ORDER BY `created_at` DESC 
0.0001  

SELECT *
FROM (`carts`)
WHERE `cart_id` =  '7097b1ca3694b74cce5fd792b0f200da'
ORDER BY `created_at` DESC 
0.0002  

SELECT *
FROM (`carts`)
WHERE `cart_id` =  '7097b1ca3694b74cce5fd792b0f200da'
ORDER BY `created_at` DESC 
0.0001  

SELECT *
FROM (`carts`)
WHERE `cart_id` =  '7097b1ca3694b74cce5fd792b0f200da'
ORDER BY `created_at` DESC 
0.0001  

SELECT *
FROM (`carts`)
WHERE `cart_id` =  '7097b1ca3694b74cce5fd792b0f200da'
ORDER BY `created_at` DESC 
0.0001  

SELECT *
FROM (`carts`)
WHERE `cart_id` =  '7097b1ca3694b74cce5fd792b0f200da'
ORDER BY `created_at` DESC 
0.0001  

SELECT *
FROM (`carts`)
WHERE `cart_id` =  '7097b1ca3694b74cce5fd792b0f200da'
ORDER BY `created_at` DESC 
0.0002  

SELECT *
FROM (`carts`)
WHERE `cart_id` =  '7097b1ca3694b74cce5fd792b0f200da'
ORDER BY `created_at` DESC 
0.0001  

SELECT *
FROM (`carts`)
WHERE `cart_id` =  '7097b1ca3694b74cce5fd792b0f200da'
ORDER BY `created_at` DESC 
0.0001  

SELECT *
FROM (`carts`)
WHERE `cart_id` =  '7097b1ca3694b74cce5fd792b0f200da'
ORDER BY `created_at` DESC 
0.0001  

SELECT *
FROM (`carts`)
WHERE `cart_id` =  '7097b1ca3694b74cce5fd792b0f200da'
ORDER BY `created_at` DESC 
0.0002  

SELECT *
FROM (`carts`)
WHERE `cart_id` =  '7097b1ca3694b74cce5fd792b0f200da'
ORDER BY `created_at` DESC 
0.0001  

SELECT *
FROM (`carts`)
WHERE `cart_id` =  '7097b1ca3694b74cce5fd792b0f200da'
ORDER BY `created_at` DESC 
0.0001  

SELECT *
FROM (`carts`)
WHERE `cart_id` =  '7097b1ca3694b74cce5fd792b0f200da'
ORDER BY `created_at` DESC 
0.0002  

SELECT *
FROM (`carts`)
WHERE `cart_id` =  '7097b1ca3694b74cce5fd792b0f200da'
ORDER BY `created_at` DESC 
0.0002  

SELECT *
FROM (`carts`)
WHERE `cart_id` =  '7097b1ca3694b74cce5fd792b0f200da'
ORDER BY `created_at` DESC 
0.0002  

SELECT *
FROM (`carts`)
WHERE `cart_id` =  '7097b1ca3694b74cce5fd792b0f200da'
ORDER BY `created_at` DESC 
0.0002  

SELECT *
FROM (`carts`)
WHERE `cart_id` =  '7097b1ca3694b74cce5fd792b0f200da'
ORDER BY `created_at` DESC 
0.0001  

SELECT *
FROM (`carts`)
WHERE `cart_id` =  '7097b1ca3694b74cce5fd792b0f200da'
ORDER BY `created_at` DESC 
0.0001  

SELECT *
FROM (`carts`)
WHERE `cart_id` =  '7097b1ca3694b74cce5fd792b0f200da'
ORDER BY `created_at` DESC 
0.0001  

SELECT *
FROM (`carts`)
WHERE `cart_id` =  '7097b1ca3694b74cce5fd792b0f200da'
ORDER BY `created_at` DESC 
0.0001  

SELECT *
FROM (`carts`)
WHERE `cart_id` =  '7097b1ca3694b74cce5fd792b0f200da'
ORDER BY `created_at` DESC 
0.0002  

SELECT *
FROM (`carts`)
WHERE `cart_id` =  '7097b1ca3694b74cce5fd792b0f200da'
ORDER BY `created_at` DESC 
0.0001  

SELECT *
FROM (`carts`)
WHERE `cart_id` =  '7097b1ca3694b74cce5fd792b0f200da'
ORDER BY `created_at` DESC 
0.0002  

SELECT SQL_CALC_FOUND_ROWS cat_id
FROM (`product_categories`)
WHERE `status_id` =  'A'
AND `url_friendly` =  'problem-solving-by-design'
AND `parent_id` =  1 
0.0035  

SELECT c.parent_id, c.format_id
                    FROM products AS p, products AS c
                    WHERE p.prod_id = c.parent_id AND
                        c.avail_id IN ('A','B','D') AND
                        c.type_id = 'V' AND
                        (
                            c.sku = 'problem-solving-by-design' OR
                            if(c.format_id = 'Certificate', '', p.url_friendly) = 'problem-solving-by-design'
                        )
                    LIMIT 1 
0.0002  

SELECT `parent_id`
FROM (`products`)
WHERE `prod_id` =  895 
0.0002  

SELECT *
FROM (`products`)
WHERE `products`.`prod_id` =  '895' 
0.0004  

SELECT *
FROM (`authors`)
JOIN `products__authors` ON `authors`.`author_id` = `products__authors`.`author_id`
WHERE `products__authors`.`prod_id` =  '895'
ORDER BY `sort` ASC 
0.0003  

SELECT `cat_id`
FROM (`product_categories__products`)
WHERE `prod_id` =  '895' 
0.0001  

SELECT *
FROM (`product_flags__products`)
WHERE `prod_id` =  '895' 
0.0002  

SELECT `sku`
FROM (`products__xsell`)
WHERE `prod_id` =  '895'
ORDER BY IF(position = 0, 1, 0) ASC , `position` 
0.0227  

SELECT `products`.`parent_id`
FROM (`transaction_lines`)
JOIN `products` ON `products`.`sku` = `transaction_lines`.`sku`
JOIN `product_categories__products` ON `products`.`parent_id` = `product_categories__products`.`prod_id`
WHERE `products`.`avail_id` =  'A'
AND TO_DAYS(transaction_lines.updated_at) < (TO_DAYS(NOW()) - 90)
AND `product_categories__products`.`cat_id` IN ('276') 
GROUP BY `products`.`parent_id`
ORDER BY COUNT(*) DESC
LIMIT 6 
0.0002  

SELECT `parent_id`
FROM (`products`)
WHERE `prod_id` =  '701' 
0.0002  

SELECT *
FROM (`products`)
WHERE `products`.`prod_id` =  '701' 
0.0005  

SELECT *
FROM (`authors`)
JOIN `products__authors` ON `authors`.`author_id` = `products__authors`.`author_id`
WHERE `products__authors`.`prod_id` =  '701'
ORDER BY `sort` ASC 
0.0001  

SELECT `parent_id`
FROM (`products`)
WHERE `prod_id` =  '3943' 
0.0002  

SELECT *
FROM (`products`)
WHERE `products`.`prod_id` =  '3943' 
0.0003  

SELECT *
FROM (`authors`)
JOIN `products__authors` ON `authors`.`author_id` = `products__authors`.`author_id`
WHERE `products__authors`.`prod_id` =  '3943'
ORDER BY `sort` ASC 
0.0001  

SELECT `parent_id`
FROM (`products`)
WHERE `prod_id` =  '3049' 
0.0002  

SELECT *
FROM (`products`)
WHERE `products`.`prod_id` =  '3049' 
0.0002  

SELECT *
FROM (`authors`)
JOIN `products__authors` ON `authors`.`author_id` = `products__authors`.`author_id`
WHERE `products__authors`.`prod_id` =  '3049'
ORDER BY `sort` ASC 
0.0002  

SELECT `parent_id`
FROM (`products`)
WHERE `prod_id` =  '3433' 
0.0002  

SELECT *
FROM (`products`)
WHERE `products`.`prod_id` =  '3433' 
0.0002  

SELECT *
FROM (`authors`)
JOIN `products__authors` ON `authors`.`author_id` = `products__authors`.`author_id`
WHERE `products__authors`.`prod_id` =  '3433'
ORDER BY `sort` ASC 
0.0001  

SELECT `parent_id`
FROM (`products`)
WHERE `prod_id` =  '3497' 
0.0003  

SELECT *
FROM (`products`)
WHERE `products`.`prod_id` =  '3497' 
0.0002  

SELECT *
FROM (`authors`)
JOIN `products__authors` ON `authors`.`author_id` = `products__authors`.`author_id`
WHERE `products__authors`.`prod_id` =  '3497'
ORDER BY `sort` ASC 
0.0001  

SELECT `parent_id`
FROM (`products`)
WHERE `prod_id` =  '4191' 
0.0002  

SELECT *
FROM (`products`)
WHERE `products`.`prod_id` =  '4191' 
0.0002  

SELECT *
FROM (`authors`)
JOIN `products__authors` ON `authors`.`author_id` = `products__authors`.`author_id`
WHERE `products__authors`.`prod_id` =  '4191'
ORDER BY `sort` ASC 
0.0003  

SELECT SQL_CALC_FOUND_ROWS media_id, position
FROM (`media`)
WHERE `foreign_key_table` =  'products'
AND `foreign_key_column` =  'prod_id'
AND `foreign_key_value` =  '895'
AND `kind` =  'image_600x600'
ORDER BY IF(position = 0, 1, 0) ASC , `position` 
0.0001  

SELECT *
FROM (`media`)
WHERE `media`.`media_id` =  '436' 
0.0001  

SELECT *
FROM (`mime_types`)
WHERE `mime_types`.`extension` =  'jpg' 
0.0001  

SELECT *
FROM (`media_metadata`)
WHERE `media_id` =  '436' 
0.0002  

SELECT SQL_CALC_FOUND_ROWS media_id, position
FROM (`media`)
WHERE `foreign_key_table` =  'products'
AND `foreign_key_column` =  'prod_id'
AND `foreign_key_value` =  '895'
AND `kind` =  'gallery_image'
ORDER BY IF(position = 0, 1, 0) ASC , `position` 
0.0003  

SELECT *
FROM (`products`)
WHERE `avail_id` IN ('A', 'B', 'C', 'H') 
AND `parent_id` =  '895'
AND `type_id` =  'V'
ORDER BY IF(position = 0, 1, 0) ASC , `position`, `title` 
0.0001  

SELECT `c`.`format_id`, `c`.`price`, `c`.`sale_price`
FROM (`products` AS c)
WHERE `c`.`prod_id` =  '896'
LIMIT 1 
0.0002  

SELECT SQL_CALC_FOUND_ROWS media_id, position
FROM (`media`)
WHERE `foreign_key_table` =  'products'
AND `foreign_key_column` =  'prod_id'
AND `foreign_key_value` =  '896'
AND `kind` =  'thumbnail'
ORDER BY IF(position = 0, 1, 0) ASC , `position` 
0.0002  

SELECT `product_categories__products`.`cat_id`
FROM (`product_categories__products`)
JOIN `product_categories` ON `product_categories__products`.`cat_id` = `product_categories`.`cat_id`
WHERE `product_categories__products`.`prod_id` =  '895'
AND `product_categories`.`parent_id` =  1
AND `product_categories__products`.`cat_id` NOT IN (1, 261)  
0.0005  

SELECT `cat_id` AS id, `parent_id` AS parent, `status_id`, `name`, `description`, `url_friendly`, `page_title`, `meta_keywords`, `meta_description`, `position`, `updated_at`
FROM (`product_categories`)
WHERE `cat_id` != 1
ORDER BY `parent_id`, IF(position = 0, 1, 0) ASC , `position`, `name` 
0.0003  

SELECT *
FROM (`product_categories`)
WHERE `status_id` =  'A'
AND `parent_id` =  1
AND `cat_id` NOT IN (1, 261) 
ORDER BY `name` 
0.0002  

SELECT *
FROM (`site_settings`)
WHERE `option_key` =  'announcement' 
  HTTP HEADERS  (Show)
  SESSION DATA  (Show)
  CONFIG VARIABLES  (Show)