General error: 1364 Field doesn't have a default v

Question

:(
SQLSTATE[HY000]: General error: 1364 Field 'tiezi' doesn't have a default value
错误位置
FILE: E:\Webpage\ThinkPHP\Library\Think\Db\Driver.class.php 　LINE: 217
TRACE
#0 E:\Webpage\ThinkPHP\Library\Think\Db\Driver.class.php(217): PDOStatement->execute()
#1 E:\Webpage\ThinkPHP\Library\Think\Db\Driver.class.php(813): Think\Db\Driver->execute('INSERT INTO `tb...', false)
#2 E:\Webpage\ThinkPHP\Library\Think\Model.class.php(320): Think\Db\Driver->insert(Array, Array, false)
#3 E:\Webpage\Application\Home\Controller\IndexController.class.php(79): Think\Model->add(Array)
#4 [internal function]: Home\Controller\IndexController->posts()
#5 E:\Webpage\ThinkPHP\Library\Think\App.class.php(164): ReflectionMethod->invoke(Object(Home\Controller\IndexController))
#6 E:\Webpage\ThinkPHP\Library\Think\App.class.php(202): Think\App::exec()
#7 E:\Webpage\ThinkPHP\Library\Think\Think.class.php(120): Think\App::run()
#8 E:\Webpage\ThinkPHP\ThinkPHP.php(97): Think\Think::start()
#9 E:\Webpage\index.php(13): require('E:\Webpage\Thin...')
#10 {main}

Answer 1

问题标签：

hibernate、@ManyToMany 、主键

抛出异常：
ERROR: Field ‘scId’ doesn’t have a default value

问题描述：
有Student，Subject，Score 三个实体类，表示学生、科目、分数，
其中Student与Subject采用ManyToMany关系，生成表score，
而Score实体类又分别与stu......
答案就在这里：ERROR: Field 'scId' doesn't have a default value
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