In Microsoft Entity Model Framework, how to run a SQL Raw Query

On Mono 2.4, using Microsoft Data Entity Framework with Microsoft MVC

I'm using Mono 2.4 on the Ubiquity web hosting service....I created a simple MVC tutioal applciation, linked ...here..., and verified that it worked using all Microsoft tools. ...Next, the application was updated to point to a MySQL server database running on my Ubiquity host. The application works great on a Microsoft based machine....Now, I am t...

Entity framework raw SQL Query

I have to select multiple columns from a database and I don't have a matching entity. so my query looks like this:...var result = _dbContext.Database.SqlQuery<List<string>>( "select ID, NAME, DB_FIELD from eis_hierarchy"); ...I am getting the result set, each row contains list of strings but count is 0....So how do I select multiple co...

Entity Framework query ToString won't produce SQL query

If you do not need the SQL BEFORE it is executed against the DB you can do the following:...dbContext.Database.Log = s => Debug.WriteLine(s); ...This would print the SQL (and some additional data) to the debug output.... See the following link for details: ...http://msdn.microsoft.com/de-DE/data/dn469464...Also check, as martin_costello suggested, ...

How do you write a parameterized where-in raw sql query in Entity Framework

How do you write a parameterized where-in raw sql query in Entity Framework? I've tried the following:...string dateQueryString = String.Join(",", chartModelData.GetFormattedDateList()); //Dates returned in format of 20140402,20140506,20140704 const string selectQuery = @"SELECT MAX(DATA_SEQ) AS MaxSeq, MIN(DATA_SEQ) AS MinSeq, COUN...

Execute complex raw SQL query in EF6

I am developing a web api using Entity Framework 6. I have to execute a complex SQL query which is getting data from multiple tables as shown in the code. I have tried but get the following error: ...The data reader has more than one field. Multiple fields are not valid for EDM primitive or enumeration types....The query successfully return data ...

How to execute raw SQL query using Entity Framework without having to use a model?

Specify ...string... as the type argument....var results = db1New.Database.SqlQuery<string>("SELECT LOWER(column_name) AS column_name FROM information_schema.columns WHERE table_name = @p0", tableName).ToArray(); ^^^^^^

Entity Framework query performance differs extrem with raw SQL execution

I have a question about Entity Framework query execution performance....Schema...:...I have a table structure like this:...CREATE TABLE [dbo].[DataLogger] ( [ID] [bigint] IDENTITY(1,1) NOT NULL, [ProjectID] [bigint] NULL, CONSTRAINT [PrimaryKey1] PRIMARY KEY CLUSTERED ( [ID] ASC ) ) CREATE TABLE [dbo].[DCDistributionBox] ( [ID] [bi...

Entity Framework 6.0 Raw Sql to View Model

Actually your code should work and it looks ok. EF supports any raw sql statements your mssql version supports. ...Try to refactor your code and add db logging:...var sql = @" SELECT p.Name AS PuzzleName, up.Minute, up.Session FROM UserProgresses as up INNER JOIN Puzzles as p ON p.Id = up.PuzzleId WHERE ...

Entity Framework 6 vs Entity Framework Core Raw Sql

I have done the 'fromsql' off of the context directly when it is a single table, but I realize this is not what you want but it builds on it....var blogs = context.Blogs .FromSql("SELECT * FROM dbo.Blogs") .ToList(); ...However in a case like yours it is complex and a joining of multiple tables and CTEs. I would suggest you create a custom...

Binding Complex Model Entity With Raw SQL Query?

You could introduce a new Object, e.g. let's call it ...ComplexProductDto... and it should match exactly to the query result structure as it is returned from SQL, example:...// Please adjust... public class ComplexProductDto { public int Id { get; set; } public int ProductDesc { get; set; } ... public string ProdImgThumb { get; set;...