EF6 MySQL StrongTypingException When Column is not PK
We are using MySql and Entity FrameWork with VS 2013 those are the tools installed: MySql Server 5.7.8 MySql WorkBench 6.3. MySql for Visual Stucio 1.2.4 Connector/NET 6.9. VS 2013 Ultimate Entity...
View ArticleViolation of Primary Key using import export wizard
I have got the below message while copying the table from one instance to other: Error 0xc0202009: Data Flow Task 1: SSIS Error Code DTS_E_OLEDBERROR. An OLE DB error has occurred. Error code:...
View ArticleConvert JTable data into UPDATE statement
I want to be able to get the data from a JTable converted into a UPDATE statement so that I can get the table contents and use my existing SQL connection to transfer into DB. eg into UPDATE Products...
View ArticleUpdating Model Based on Primary Key
From what I understand you can do a query and update with: sess.query(User).filter(User.age == 25).\ update({User.age: User.age - 10}, synchronize_session=False) Is there any way to avoid having to...
View ArticleForeign Key References to Primary Key in the Same Table EF6
I have class in my MVC project and I used Entity Framework 6. Every person has a Master (master_Id) and it references to the same table (primary key in Person table). My way does not work… what’s the...
View ArticlePrimary Key problems when importing
I am building a database and have set field A, Release #, as the primary field. I am running into a problem where duplicate keys are found which gives error on import. Specifically, release # “49221”...
View ArticleMySQL table structure, do I need a primary key?
I’m creating a table in MySQL using Innodb. The table will contain measurements from several locations. Roughly the data that should be stored is: monitor_id – Id of the monitor (indexed) time – time...
View ArticleWhere am I going wrong here? Keep getting the error "cannot add Foreign Key...
Create table Emp (eid integer, name varchar(100),age integer, salary real, Primary Key(eid)); Create table Dept (did integer,budget Real,managerid integer, Primary Key(did)); Create table Works (eid...
View ArticleHow to ignore duplicate Primary Key in SQL?
I have an excel sheet with several values which I imported into SQL (book1$) and I want to transfer the values into ProcessList. Several rows have the same primary keys which is the ProcessID because...
View ArticleMySQL ( InnoDB): Guid as Primary Key
I come from the MSSQL world and have no expert knowledge in MySQL. Having a GUID as primary key in these two different RDBMs systems is possible. In MSSQL i better do some things in order to not run...
View Article
