convert linq query to sql query online

Label:Objective On a relational database commonly used SQL statement syntax is mainly relational database general structure, this paper discusses the relational database query SQL syntax. Grammar Review SELECT [ALL|DISTINCT] The order of SQL

Problem You want to improve the performance of multiple queries, and you do not want to add additional encoding or configuration. Solution Suppose you have the model shown in Figure 13-8. Figure 13-8.A model with an associate and Its Related paycheck In this model, each associate (colleague) has 0 to multiple paychecks (salaries), and you have a LINQ query, Which is used repeatedly in your entire applica

Linq --- I'll explain the order for you. Your beauty is not only a query statement, but also a write by using This is a group of extensions for the c # and Visual Basic languages. It allows you to write C # Or Visual Basic code to query memory data in the same way as a database. LINQ is short for Language Integrated

Language-Integrated Query (LINQ) is the name of a set of technologies that are built on the direct integration of query functionality into the C # language (as well as Visual basic and any other possible. NET language). with LINQ, the query is now a high-level language const

data The following illustration shows a LINQ to Objects query operation that does not convert data. The source contains a sequence of strings, and the query output is also a string sequence. 1, the type parameter of the data source determines the type of the range variable. 2, the type of the selected object dete

When I was learning LINQ, I looked directly at the MSDN and LINQ team blogs, and I was often confused by some of the nouns in it, do you understand the following nouns? Expression Tree Expression Lambda Expression Query Expression Query Operator Expression Tree The difference between the expression and the XmlNo

5.2 implement complex data query using LINQ to Dataset LINQ to dataset integrates LINQ with ADO. net. It obtains data through ADO. NET and then queries data through LINQ, so as to perform complex queries on the dataset. This section describes how to use

C #2.0 the biggest improvement is generics. the biggest improvement of C #3.0 is Linq (Language integration query ). there are three major segments in the Table: Linq to XML and Linq to ADO. NET (Linq to SQL,

two types: Code highlighting produced by Actipro CodeHighlighter (freeware)http://www.CodeHighlighter.com/-->//Custquery is an ienumerable VaR custquery=From custInMERsGroup Cust by Cust. City into custgroupWhereCustgroup. Count ()> 2Orderby custgroup. KeySelect custgroup; Join There is no explicitly modeled sequence Association in the data source created by the join operation. For example, you can perform connections to find all customers that meet the following criteria: in Paris, a

A newbie recently wants to learn about the Windows Phone database and find some short tutorials. Because it is in English, it is translated by the way. The English level is not good. It is estimated that there are many mistakes in the text. If you have any children's shoes that are unfortunately read, please keep in doubt about the translation quality and give me more advice.This is the original article address: Ghost. This is the first article in the "Windows Phone mango local database (sqlce)"

method, so that they can be called by LINQ to entities. This change extends the functionality of LINQ to entities by reusing existing features. Let's look at an example. Our customers want an order list for more than five days of delivery. It is quite simple to query using LINQ: VaRResult =FromOInCTX. OrdersWhereO.

([t0].[City] = @p1) Finally, if you still have forgotten the previous method of splicing SQL statements, you can use dynamic LINQ to refer to socttgu's blog.References: Predicatebuilder http://www.albahari.com/nutshell/predicatebuilder.aspx Dynamic LINQ http://weblogs.asp.net/scottgu/archive/2008/01/07/dynamic-linq-p

C #2.0 the biggest improvement is generics. the biggest improvement of C #3.0 is LINQ (Language integration query ). there are three major segments in the Table: LINQ to XML and LINQ to ADO. net (LINQ to SQL,

During this time, writing of LINQ and SQL is missing! Or are you getting old? More and more will not change Problem: ========================================================== ======== VaR ret = from X in LSWhere (String. isnullorempty (Arg. querytext )? True:((X. ?? ""). Toupper (). Contains (Arg. querytext. toupper ())| (X. B ?? ""). Toupper (). Contains (Arg. querytext. toupper ())| (X. c ?? ""). Toupper

words of LINQ: From, select, in, where, group by, order...3. Note: it must end with select or group.4. the semantics of LINQ:From temporary variable in collection object or database objectWhere condition expression[Order by condition]Value queried in the select Temporary Variable[Group by condition] III. C #3.0 LINQ example First, let's look at a very simple LINQ