Here\'s the scenario: I\'ve got a table called MarketDataCurrent (MDC) that has live updating stock prices.
Using Hibernate + annotations, I\'m trying to do the following: Two entities, Entity1 and Entity2. Entity1 contains a simple generated value primary key.
This is my Insert Statement INSERT INTO ProductStore (ProductID, StoreID, CreatedOn) (SELECT DISTINCT(ProductId), 1, GETDATE() FROM ProductCategory
I am trying to create a generic method using EF4 to find the primary key of an object. example public string GetPrimaryKey<T>()
I tried to find it out in google but not satisfactory answer is given out there. Can anyb开发者_运维技巧ody explain the solid difference.
I have a database with around 40 tables and need to rename every index column. IE USER a table has a bunch of fields like
This question already has an answer here: Syntax error due to using a reserved word as a table or column name in MySQL
I have a table with existing data. Is there a way to add a primary key without deleting and re-creatin开发者_开发问答g the table?(Updated - Thanks to the people who commented)
i have declared an entity the following way: public class MyEntity { @PrimaryKey @Persistent(valueStrategy = IdGeneratorStrategy.IDENTITY)
i see after installing the asp.net membership tables, they use the data type \"uniqueidentifier\" for all of the pr开发者_运维知识库imary key fields.
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