我正在使用laravel 5.6.17和php 7.2; 当我运行php artisan migrate命令时,我收到以下错误.
有关更多信息,已在声明的数据库中创建了默认表"users"和"migrations".
laravel不支持php 7.2吗?
图片:laravel 5.6.17 php artisan migrate错误
Migration table created successfully.
Illuminate\Database\QueryException : SQLSTATE[42000]: Syntax error or access violation: 1071 Specified key was too long; max key length is 767 bytes (SQL: alter table `users` add unique `users_email_unique`(`email`))
at D:\xampp\htdocs\laravel\vendor\laravel\framework\src\Illuminate\Database\Connection.php:664
660| // If an exception occurs when attempting to run a query, we'll format the error
661| // message to include the bindings with SQL, which will make this exception a …Run Code Online (Sandbox Code Playgroud) 我有一个包含以下表格的数据库:
ACTOR (id, fname, lname, gender)
MOVIE (id, name, year, rank)
DIRECTOR (id, fname, lname)
CAST (a_id, m_id, role)
MOVIE_DIRECTOR (d_id, m_id)
Run Code Online (Sandbox Code Playgroud)
现在我想检索以下问题的数据。
十年是连续十年的序列。例如,1965, 1966, ..., 1974 是一个十年,1967, 1968, ..., 1976 也是如此。 找出电影数量最多的十年