WebApr 12, 2024 · 2. Install MySQL Server: Download and install XAMPP which includes MySQL Server from their official website. 3. Create a new Play Framework project in IntelliJ IDEA: Open IntelliJ IDEA IDE and click on "Create New Project". Select "Play 2.x Scala" and click "Next". Enter a project name and select a location to save the project. WebSelect the database then table, and click the “Operations” tab. The current next auto increment value is already displayed – to change it enter a new value and then click the “Go” button. The relevent buttons etc are highlighted with red circles in the screenshot below.
How to Set Primary Key and Auto_increment in PHPMyAdmin
Web1 day ago · Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question.Provide details and share your research! But avoid …. Asking for help, clarification, or responding to other answers. WebApr 18, 2013 · Primary Key & Foreign Key Implementation: MySQL - YouTube 0:00 / 6:13 Primary Key & Foreign Key Implementation: MySQL Technotip 36.3K subscribers Join 1.4K 340K views 9 years … can i work without social security number
performance - VARCHAR primary key - MySQL - Database …
WebIn PHPmyadmin (the MySQL web interface you are using), for each table, the primary key should be underlined. by default foreign key value has a "custom description field" next to … WebCREATE TABLE categories ( categoryId INT AUTO_INCREMENT PRIMARY KEY , categoryName VARCHAR ( 100) NOT NULL ) ENGINE = INNODB ; CREATE TABLE products ( productId INT AUTO_INCREMENT PRIMARY KEY , productName varchar ( 100) not null , categoryId INT , CONSTRAINT fk_category FOREIGN KEY (categoryId) REFERENCES … WebMar 3, 2024 · 作用:将多个select语句结果集纵向联合起来. 语法:select 语句 union [选项] select 语句 union [选项] select 语句. 1. -- 查询stu表中的姓名和emp表中姓名 结果自动合并的重复的记录. mysql> select stuname from stu union select name from emp; 1. 2. 例题:查询上海的男生和北京的女生 ... five turtles villa turks and caicos