foreign

foreign精品文章

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  初学 laravel migrate 常见错误解决

  ... SQLSTATE[HY000]: General error: 1215 Cannot add foreign key constraint (SQL: alter table `contacts` add constraint `contac ts_branch_id_foreign` foreign key (`branch_...

  plus2047 2019-07-01 12:20 评论0 收藏0
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  写Laravel测试代码(一)

  ...c function run(array $tables = []): void { // Close unique and foreign key constraint $db = $this->container[db]; $db->statement(SET @OLD_UNIQUE_CHECKS=@@UNIQUE_CHECKS, ...

  MageekChiu 2019-06-27 16:48 评论0 收藏0
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  Laravel学习笔记之Seeder填充数据小技巧

  ...gory_id字段作为外键，与Category一对多关系 $table->foreign(category_id) ->references(id) ->on(categories) ->onUpdate(cascade) -...

  cgspine 2019-06-27 13:52 评论0 收藏0
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  javer的表结构设计

  ..._catalog.int8_ops ASC NULLS LAST); -- ---------------------------- -- Foreign keys structure for table jv_snapshot -- ---------------------------- ALTER TABLE public.jv_snapshot ADD CONSTRAINT jv...

  mgckid 2019-08-15 11:02 评论0 收藏0
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  Laravel学习笔记之Schema Builder 和 Migration System(上)

  ...updating tables;adding,removing,renaming columns;simple index,unique index,foreign keys，同时也会学习相关源码来进一步了解Schema Builder。 开发环境： Laravel5.3 + PHP7 表的操作-tables 在设计database时需要创建、删除和更新表，Schema Builder类提供...

  nevermind 2019-06-27 14:41 评论0 收藏0
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  JPA关系映射

  ... | | | CONSTRAINT `FKbejtwvg9bxus2mffsm3swj3u9` FOREIGN KEY (`department_id`) REFERENCES `department` (`id`) | | | ) ENGINE=InnoDB DEFAULT CHARSET=utf8 ...

  Faremax 2019-08-19 10:53 评论0 收藏0
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  PostgreSQL对接SequoiaDB

  ...on/ ; sdb_fdw.control 脚本内容 # sdb_fdw extension comment = foreign data wrapper for SequoiaDB access default_version = 1.0 module_pathname = $libdir/sdb_fdw relocatable = true ...

  TZLLOG 2019-07-25 12:30 评论0 收藏0