add toc mark and update column data type format

[fivesmallq]

add toc mark and update column data type format

[philip]

This is a useful patch, FWIW I give it a 👍 Here's a diff against sakila:

--- before_patch.txt    2016-08-10 12:32:00.000000000 -0700
+++ after_patch.txt 2016-08-10 12:31:45.000000000 -0700
@@ -2,6 +2,8 @@

 Generated by MySQL Workbench Model Documentation v1.0.0 - Copyright (c) 2015 Hieu Le

+[TOC]
+
 ##Table: `actor`

 ###Description: 
@@ -140,7 +142,7 @@
 | `last_name` | VARCHAR(45) | Not null |   |   |
 | `email` | VARCHAR(50) |  | `NULL` |   |
 | `address_id` | SMALLINT | Not null |   |  **foreign key** to column `address_id` on table `address`. |
-| `active` |  | Not null | `TRUE` |   |
+| `active` | BOOLEAN | Not null | `TRUE` |   |
 | `create_date` | DATETIME | Not null |   |   |
 | `last_update` | TIMESTAMP |  | `CURRENT_TIMESTAMP` |   |

@@ -172,11 +174,11 @@
 | `language_id` | TINYINT | Not null |   |  **foreign key** to column `language_id` on table `language`. |
 | `original_language_id` | TINYINT |  | `NULL` |  **foreign key** to column `language_id` on table `language`. |
 | `rental_duration` | TINYINT | Not null | `3` |   |
-| `rental_rate` | DECIMAL | Not null | `4.99` |   |
+| `rental_rate` | DECIMAL(4,2) | Not null | `4.99` |   |
 | `length` | SMALLINT |  | `NULL` |   |
-| `replacement_cost` | DECIMAL | Not null | `19.99` |   |
-| `rating` | ENUM |  | `'G'` |   |
-| `special_features` | SET |  |   |   |
+| `replacement_cost` | DECIMAL(5,2) | Not null | `19.99` |   |
+| `rating` | ENUM('G','PG','PG-13','R','NC-17') |  | `'G'` |   |
+| `special_features` | SET('Trailers','Commentaries','Deleted Scenes','Behind the Scenes') |  |   |   |
 | `last_update` | TIMESTAMP | Not null | `CURRENT_TIMESTAMP` |   |


@@ -324,7 +326,7 @@
 | `customer_id` | SMALLINT | Not null |   |  **foreign key** to column `customer_id` on table `customer`. |
 | `staff_id` | TINYINT | Not null |   |  **foreign key** to column `staff_id` on table `staff`. |
 | `rental_id` | INT |  | `NULL` |  **foreign key** to column `rental_id` on table `rental`. |
-| `amount` | DECIMAL | Not null |   |   |
+| `amount` | DECIMAL(5,2) | Not null |   |   |
 | `payment_date` | DATETIME | Not null |   |   |
 | `last_update` | TIMESTAMP |  | `CURRENT_TIMESTAMP` |   |

@@ -386,7 +388,7 @@
 | `picture` | BLOB |  |   |   |
 | `email` | VARCHAR(50) |  | `NULL` |   |
 | `store_id` | TINYINT | Not null |   |  **foreign key** to column `store_id` on table `store`. |
-| `active` |  | Not null | `TRUE` |   |
+| `active` | BOOLEAN | Not null | `TRUE` |   |
 | `username` | VARCHAR(16) | Not null |   |   |
 | `password` | VARCHAR(40) |  | `NULL` |   |
 | `last_update` | TIMESTAMP | Not null | `CURRENT_TIMESTAMP` |   |