foreign精品文章

• 

  初學(xué) laravel migrate 常見錯(cuò)誤解決

  ... 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 評(píng)論0 收藏0
• 

  寫Laravel測試代碼(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 評(píng)論0 收藏0
• 

  Laravel學(xué)習(xí)筆記之Seeder填充數(shù)據(jù)小技巧

  ...gory_id字段作為外鍵，與Category一對(duì)多關(guān)系 $table->foreign(category_id) ->references(id) ->on(categories) ->onUpdate(cascade) -...

  cgspine 2019-06-27 13:52 評(píng)論0 收藏0
• 

  javer的表結(jié)構(gòu)設(shè)計(jì)

  ..._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 評(píng)論0 收藏0
• 

  Laravel學(xué)習(xí)筆記之Schema Builder 和 Migration System(上)

  ...updating tables;adding,removing,renaming columns;simple index,unique index,foreign keys，同時(shí)也會(huì)學(xué)習(xí)相關(guān)源碼來進(jìn)一步了解Schema Builder。 開發(fā)環(huán)境： Laravel5.3 + PHP7 表的操作-tables 在設(shè)計(jì)database時(shí)需要?jiǎng)?chuàng)建、刪除和更新表，Schema Builder類提供...

  nevermind 2019-06-27 14:41 評(píng)論0 收藏0
• 

  JPA關(guān)系映射

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

  Faremax 2019-08-19 10:53 評(píng)論0 收藏0
• 

  PostgreSQL對(duì)接SequoiaDB

  ...on/ ; sdb_fdw.control 腳本內(nèi)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 評(píng)論0 收藏0