The relationship notation style inFigure 9.16, “The Relationship Connector”is the default, crow's foot. You can change this if you are using a Commercial Edition of MySQL Workbench. For more information, seeSection 9.1.1.1.5.4, “The Relationship Notation Submenu”. ...
·MySQL Workbench可视化添加外键 别忘了右下角的“Apply” 主表:外键在另一张表中作为主键的表。(俺是老大的表)从表:外键所在的表。(让我卑躬屈膝的表) ·MySQL Workbench创建外码时被引用列(Referenced Column)无候选字段 如图,只有一个“Specify Column...” 先排错,可参: 此文(被引用列无法选中, 四种原...
MySQL Workbench enables you to add a foreign key from within the table editor or from within an EER diagram by using the relationship tools on the vertical toolbar. This section describes how to add a foreign key using the foreign key tools. To add a foreign key using the table editor, ...
Using Work Bench Looking at Foreign Key under a field in the child table which points to the Parent Table under the Foreign key tab for this field option there is A foreign key option for ON Update and ON Delete is this for on update of the Parent or Child...
引言:在MySQL Workbench可视化Apply时,会附带下图红框中的语句,下共同探究一下CASCADE: 从主表中删除对应的行/更新主表主键,会自动删除从表表中匹配的行/更新从表的外键。 ON DELETE CANSCADE 和 ON UPDATE CANSCADE都被InnoDB所支持。 cascade:词根cad:掉落, 级联/瀑布/倾泻/垂落 NO ACTION: 见下方“ON DELE...
MySQL Workbench MySQL Workbench Abstract This manual documents the MySQL Workbench SE version 5.2 and the MySQL Workbench OSS version 5.2. If you have not yet installed MySQL Workbench OSS please download your free copy from the download site. MySQL Workbench OSS is available for Windows, Mac OS...
mysql workbench，不断获取错误1064 error主键的所有部分都不能为空；如果在键中需要null，请改用unique ...
然后workbench将生成适合您实际使用的服务器的代码。这个错误很可能发生在新用户身上；新下载的workbench软件...
Table A has b_id Table B has id Go into the Workbench, select A, use the Foreign Keys tab: FK Reference Table FK details column Referenced Column b_fk B [] b_id (blank) I cannot select the [] checkbox and cannot set (blank) to anything. The SQL generated is: ALTER TABLE `brigh...
I am new to MySQL Workbench. I am doing an assignment of creating a Schema which has a specific need. I has the same Foreign Key in two tables and both of them must refer back to one Primary Key in a third table. The problem is as soon as I am adding the first Foreign Key in ...