How AUTO_INCREMENT behaves depending on the NO_AUTO_VALUE_ON_ZERO SQL mode: Server SQL Modes. How to use the LAST_INSERT_ID() function to find the row that contains the most recent AUTO_INCREMENT value: Information Functions. Setting the AUTO_INCREMENT value to be used: Server System ...
SQLite - AUTOINCREMENTPrevious Quiz Next SQLite AUTOINCREMENT is a keyword used for auto incrementing a value of a field in the table. We can auto increment a field value by using AUTOINCREMENT keyword when creating a table with specific column name to auto increment....
How AUTO_INCREMENT behaves depending on the NO_AUTO_VALUE_ON_ZERO SQL mode: Section 5.1.10, “Server SQL Modes”. How to use the LAST_INSERT_ID() function to find the row that contains the most recent AUTO_INCREMENT value: Section 12.15, “Information Functions”. Setting the AUTO_INC...
1.首先建表和索引(以下使用的sql版本是5.5.54) /*课程表*/createtablecourse( idintprimarykeyauto_increment,/*主键自增*/titlevarchar(50)notnull,/*标题*/category_idintnotnull,/*属于哪个类目*/school_idintnotnull,/*属于哪个学校*/buy_timesintnotnull,/*购买次数*/browse_timesintnotnull/*浏览次数*...
Before Oracle 12c, we don’t have a direct method of generating an AUTO_INCREMENT column in a table. We need to use the combination of Sequences and Triggers. Now, we have two different ways to implement it. Using IDENTITY column
SQL - Hosting SQL - Min & Max SQL - Null Functions SQL - Check Constraint SQL - Default Constraint SQL - Stored Procedures SQL - NULL Values SQL - Transactions SQL - Sub Queries SQL - Handling Duplicates SQL - Using Sequences SQL - Auto Increment SQL - Date & Time SQL - Cursors SQL...
createtabletest\_order(idintauto\_incrementprimarykey,user\_idint,order\_idint,order\_statustinyint,create\_datedatetime);createtabletest\_orderdetail(idintauto\_incrementprimarykey,order\_idint,product\_namevarchar(100),cntint,create\_datedatetime);createindexidx\_userid\_order\_id\_createdate...
id int auto_increment primary key, user_id int, order_id int, order_status tinyint, create_date datetime ); create table test_orderdetail ( id int auto_increment primary key, order_id int, product_name varchar(100), cnt int, create_date datetime ...
_boot { // the query we want to execute exec = <<SQL CREATE TABLE IF NOT EXISTS `users` ( `ID` INT UNSIGNED AUTO_INCREMENT PRIMARY KEY, `name` VARCHAR(30) DEFAULT "@anonymous", `email` VARCHAR(30) DEFAULT "@anonymous", `password` VARCHAR(200) DEFAULT "", `time` INT UNSIGNED )...
CREATE TABLE `user` (`id` int(10) AUTO_INCREMENT,`user_id` int(10),`gf_phone` varchar(1000),`gf_name` varchar(100),PRIMARY KEY (`id`),KEY `user_id` (`user_id`)) ENGINE=InnoDB; 用户的 user_id ,女朋友的名字gf_name、女朋友的电话号码gf_phone ...