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Bulk update integer display width (#19393)
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‎auto-increment.md‎

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@@ -323,7 +323,7 @@ SHOW CREATE TABLE t;
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| Table | Create Table |
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+-------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
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| t | CREATE TABLE `t` (
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`a` int(11) NOT NULL AUTO_INCREMENT,
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`a` int NOT NULL AUTO_INCREMENT,
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PRIMARY KEY (`a`) /*T![clustered_index] CLUSTERED */
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) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_bin AUTO_INCREMENT=101 /*T![auto_id_cache] AUTO_ID_CACHE=100 */ |
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+-------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+

‎auto-random.md‎

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@@ -82,7 +82,7 @@ tidb> SHOW CREATE TABLE t;
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| Table | Create Table |
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+-------+-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
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| t | CREATE TABLE `t` (
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`a` bigint(20) NOT NULL /*T![auto_rand] AUTO_RANDOM(5) */,
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`a` bigint NOT NULL /*T![auto_rand] AUTO_RANDOM(5) */,
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`b` varchar(255) DEFAULT NULL,
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PRIMARY KEY (`a`) /*T![clustered_index] CLUSTERED */
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) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_bin /*T! PRE_SPLIT_REGIONS=2 */ |

‎basic-sql-operations.md‎

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```sql
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CREATE TABLE person (
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id INT(11),
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id INT,
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name VARCHAR(255),
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birthday DATE
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);

‎cached-tables.md‎

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| Table | Create Table |
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+-------+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
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| users | CREATE TABLE `users` (
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`id` bigint(20) NOT NULL,
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`id` bigint NOT NULL,
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`name` varchar(100) DEFAULT NULL,
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PRIMARY KEY (`id`) /*T![clustered_index] CLUSTERED */
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) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_bin /* CACHED ON */ |
@@ -170,10 +170,10 @@ SHOW CREATE TABLE mysql.table_cache_meta\G
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*************************** 1. row ***************************
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Table: table_cache_meta
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Create Table: CREATE TABLE `table_cache_meta` (
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`tid` bigint(11) NOT NULL DEFAULT '0',
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`tid` bigint NOT NULL DEFAULT '0',
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`lock_type` enum('NONE','READ','INTEND','WRITE') NOT NULL DEFAULT 'NONE',
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`lease` bigint(20) NOT NULL DEFAULT '0',
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`oldReadLease` bigint(20) NOT NULL DEFAULT '0',
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`lease` bigint NOT NULL DEFAULT '0',
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`oldReadLease` bigint NOT NULL DEFAULT '0',
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PRIMARY KEY (`tid`) /*T![clustered_index] CLUSTERED */
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) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_bin
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1 row in set (0.00 sec)

‎clustered-indexes.md‎

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| Table | Create Table |
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+-------+---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
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| t | CREATE TABLE `t` (
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`a` bigint(20) NOT NULL,
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`a` bigint NOT NULL,
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`b` varchar(255) DEFAULT NULL,
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PRIMARY KEY (`a`) /*T![clustered_index] CLUSTERED */
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) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_bin |

‎constraints.md‎

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| Table | Create Table |
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+-------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
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| t | CREATE TABLE `t` (
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`a` int(11) DEFAULT NULL,
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`b` int(11) DEFAULT NULL,
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`c` int(11) DEFAULT NULL,
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`a` int DEFAULT NULL,
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`b` int DEFAULT NULL,
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`c` int DEFAULT NULL,
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CONSTRAINT `c1` CHECK ((`b` > `c`)),
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CONSTRAINT `t_chk_1` CHECK ((`a` > 10)) /*!80016 NOT ENFORCED */,
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CONSTRAINT `t_chk_2` CHECK ((1 < `c`))

‎cost-model.md‎

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| Table | Create Table |
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+-------+-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
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| t | CREATE TABLE `t` (
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`a` int(11) DEFAULT NULL,
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`b` int(11) DEFAULT NULL,
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`c` int(11) DEFAULT NULL,
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`a` int DEFAULT NULL,
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`b` int DEFAULT NULL,
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`c` int DEFAULT NULL,
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KEY `b` (`b`),
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KEY `c` (`c`)
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) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_bin |

‎develop/dev-guide-bookshop-schema-design.md‎

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| Field name | Type | Description |
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|--------------|---------------|------------------------------------------------------------------|
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| id | bigint(20) | Unique ID of a book |
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| id | bigint | Unique ID of a book |
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| title | varchar(100) | Title of a book |
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| type | enum | Type of a book (for example, magazine, animation, or teaching aids) |
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| stock | bigint(20) | Stock |
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| stock | bigint | Stock |
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| price | decimal(15,2) | Price |
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| published_at | datetime | Date of publish |
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| Field name | Type | Description |
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|------------|--------------|-------------------------------------------------------|
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| id | bigint(20) | Unique ID of an author |
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| id | bigint | Unique ID of an author |
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| name | varchar(100) | Name of an author |
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| gender | tinyint(1) | Biological gender (0: female, 1: male, NULL: unknown) |
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| birth_year | smallint(6) | Year of birth |
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| death_year | smallint(6) | Year of death |
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| gender | tinyint | Biological gender (0: female, 1: male, NULL: unknown) |
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| birth_year | smallint | Year of birth |
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| death_year | smallint | Year of death |
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### `users` table
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This table stores information of Bookshop users.
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| Field name | Type | Description |
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|------------|---------------|-----------------------|
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| id | bigint(20) | Unique ID of a user |
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| id | bigint | Unique ID of a user |
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| balance | decimal(15,2) | Balance |
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| nickname | varchar(100) | Nickname |
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| Field name | Type | Description |
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|------------|------------|--------------------------------------------------------------|
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| book_id | bigint(20) | Unique ID of a book (linked to [books](#books-table)) |
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| author_id | bigint(20) | Unique ID of an author（Link to [authors](#authors-table)） |
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| book_id | bigint | Unique ID of a book (linked to [books](#books-table)) |
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| author_id | bigint | Unique ID of an author（Link to [authors](#authors-table)） |
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### `orders` table
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This table stores user purchase information.
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| Field name | Type | Description |
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|------------|------------|----------------------------------------------------------------|
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| id | bigint(20) | Unique ID of an order |
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| book_id | bigint(20) | Unique ID of a book (linked to [books](#books-table)) |
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| user_id | bigint(20) | User unique identifier (associated with [users](#users-table)) |
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| quantity | tinyint(4) | Purchase quantity |
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| id | bigint | Unique ID of an order |
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| book_id | bigint | Unique ID of a book (linked to [books](#books-table)) |
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| user_id | bigint | User unique identifier (associated with [users](#users-table)) |
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| quantity | tinyint | Purchase quantity |
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| ordered_at | datetime | Purchase time |
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## Database initialization script `dbinit.sql`
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DROP TABLE IF EXISTS `bookshop`.`books`;
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CREATE TABLE `bookshop`.`books` (
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`id` bigint(20) AUTO_RANDOM NOT NULL,
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`id` bigint AUTO_RANDOM NOT NULL,
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`title` varchar(100) NOT NULL,
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`type` enum('Magazine', 'Novel', 'Life', 'Arts', 'Comics', 'Education & Reference', 'Humanities & Social Sciences', 'Science & Technology', 'Kids', 'Sports') NOT NULL,
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`published_at` datetime NOT NULL,
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`stock` int(11) DEFAULT '0',
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`stock` int DEFAULT '0',
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`price` decimal(15,2) DEFAULT '0.0',
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PRIMARY KEY (`id`) CLUSTERED
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) DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_bin;
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DROP TABLE IF EXISTS `bookshop`.`authors`;
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CREATE TABLE `bookshop`.`authors` (
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`id` bigint(20) AUTO_RANDOM NOT NULL,
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`id` bigint AUTO_RANDOM NOT NULL,
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`name` varchar(100) NOT NULL,
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`gender` tinyint(1) DEFAULT NULL,
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`birth_year` smallint(6) DEFAULT NULL,
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`death_year` smallint(6) DEFAULT NULL,
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`gender` tinyint DEFAULT NULL,
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`birth_year` smallint DEFAULT NULL,
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`death_year` smallint DEFAULT NULL,
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PRIMARY KEY (`id`) CLUSTERED
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) DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_bin;
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DROP TABLE IF EXISTS `bookshop`.`book_authors`;
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CREATE TABLE `bookshop`.`book_authors` (
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`book_id` bigint(20) NOT NULL,
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`author_id` bigint(20) NOT NULL,
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`book_id` bigint NOT NULL,
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`author_id` bigint NOT NULL,
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PRIMARY KEY (`book_id`,`author_id`) CLUSTERED
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) DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_bin;
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DROP TABLE IF EXISTS `bookshop`.`orders`;
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CREATE TABLE `bookshop`.`orders` (
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`id` bigint(20) AUTO_RANDOM NOT NULL,
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`book_id` bigint(20) NOT NULL,
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`user_id` bigint(20) NOT NULL,
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`quality` tinyint(4) NOT NULL,
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`id` bigint AUTO_RANDOM NOT NULL,
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`book_id` bigint NOT NULL,
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`user_id` bigint NOT NULL,
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`quality` tinyint NOT NULL,
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`ordered_at` datetime NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
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PRIMARY KEY (`id`) CLUSTERED,
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KEY `orders_book_id_idx` (`book_id`)

‎develop/dev-guide-create-secondary-indexes.md‎

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| Field name | Type | Field description |
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|--------------|---------------|------------------------------------------------------------------|
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| id | bigint(20) | Unique ID of the book |
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| id | bigint | Unique ID of the book |
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| title | varchar(100) | Book title |
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| type | enum | Types of books (for example, magazines, animations, and teaching aids) |
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| stock | bigint(20) | Stock |
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| stock | bigint | Stock |
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| price | decimal(15,2) | Price |
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| published_at | datetime | Date of publishing |
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The `books` table is created using the following SQL statement:
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```sql
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CREATE TABLE `bookshop`.`books` (
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`id` bigint(20) AUTO_RANDOM NOT NULL,
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`id` bigint AUTO_RANDOM NOT NULL,
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`title` varchar(100) NOT NULL,
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`type` enum('Magazine', 'Novel', 'Life', 'Arts', 'Comics', 'Education & Reference', 'Humanities & Social Sciences', 'Science & Technology', 'Kids', 'Sports') NOT NULL,
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`published_at` datetime NOT NULL,
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`stock` int(11) DEFAULT '0',
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`stock` int DEFAULT '0',
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`price` decimal(15,2) DEFAULT '0.0',
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PRIMARY KEY (`id`) CLUSTERED
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) DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_bin;

‎develop/dev-guide-index-best-practice.md‎

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```sql
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CREATE TABLE `books` (
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`id` bigint AUTO_RANDOM NOT NULL,
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`title` varchar(100) NOT NULL,
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`type` enum('Magazine', 'Novel', 'Life', 'Arts', 'Comics', 'Education & Reference', 'Humanities & Social Sciences', 'Science & Technology', 'Kids', 'Sports') NOT NULL,
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`published_at` datetime NOT NULL,
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`stock` int(11) DEFAULT '0',
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`stock` int DEFAULT '0',
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`price` decimal(15,2) DEFAULT '0.0',
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PRIMARY KEY (`id`) CLUSTERED
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) DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_bin;

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