Sep 24, 2015 · To remove a foreign key reference, use the DROP FOREIGN KEY clause with the internal name of the foreign key constraint. This internal name can be obtained using the SHOW CREATE TABLE statement. And in case you’re wondering why you must use the internal constraint name and not the field name in the DROP FOREIGN KEY clause … well, that’s a ...
GORM comes with a drawback when we try to fetch associations, and then it queries the database for associated tables, which leads to (t+1) queries where t is the number of related tables in a query.
Worse, even if the foreign key is recognized, sometimes it is not drawn in the Data Modeler and I have no way to make it be drawn. To be specific, I import a file containing the DDL for just two tables -- I see the foreign key! I import a file containing the DDL for a dozen tables including the two, I don't!
Dec 15, 2013 · Displaying 2 DataKeyNames(primary key and foreign key) on another form Help with primary and foreign keys SQL server managament studio and visual studio C# windows forms join on two tables with foreign keys
Stack Overflow has an endless supply of problems where users end up fighting complexities imposed by gorm itself, working around its limitations, and so on. Few things are as aggravating as knowing exactly what you want (i.e. which SQL query you want it to issue) but not being able to concoct the right sequence of gorm calls to end up with that ...
In some projects, people use string as primary key of the table, this may bring some troubles if they didn’t pay attention to the case of the string. For example, people might add the value with lower case as the Primary key in one table, but uppercase as a foreign key column in another table. Sql Server is case insensitive by default.
CS101 @ WVU, Morgantown, West Virginia. 335 likes. We're the CS101: Introduction to Computer Applications course at West Virginia University.