Dbcommand multiple result sets. What is shown provides an efficient way to either us...

Dbcommand multiple result sets. What is shown provides an efficient way to either use a connection, command objects to read data via a SqlDataReader for conventional work using methods from SqlClient and also Dapper which requires two lines of code to read data and one line of code to store data into list. NET applications, which is especially helpful for Entity Framework developers. 0 How does one write, using SQLCMD: multiple result sets to one output file? or, multiple result sets to separate output files? Discussion After prototyping in SSMS, then moving to SQLCMD called from batch file, it's necessary to stay within the same connection (due to building some #temp tables along the way). a stored procedure might be programmed to return one result set under certain conditions and two under others). Data is useful in the following cases: CRUD operations with models schema-less data access to DB (without POCO models) batch inserts/updates/selects in one DbCommand, handle multiple result sets you need full control over complex SQL queries (JOIN/UNION/GROUP BY etc) but want to keep your business layer DB-independent performance-critical parts where ORM (Entity Framework, NHibernate Apr 18, 2013 · I have had a look around and the only examples I can find of returning multiple result sets from Oracle are using Stored Procedures. 0; It's recommended to always set the command type to CommandType. Dec 3, 2012 · I am creating a project in which I need to run 2-3 SQL commands in a single SQL connection. Feb 6, 2019 · It's possible (at least in the SQL Server world) for a single command to return zero, one or multiple result sets--and the number returned can dynamically vary (e. Yes, you can return multiple result sets with SqlCommand by using the DbDataReader. In the following source code you can see how to get multiple result sets from SqlDataReader () . StoredProcedure communicates the intent of your code more clearly. Project source code Goal To read from three Apr 6, 2007 · If the query returns multiple columns and/or multiple rows, all except the first row/column value will be ignored. Nested Queries – When you use multiple SqlDataReaders on the same connection at the same time, resulting in multiple The Dapper QueryMultiple method allows you to select multiple results from a database query. To illustrate how to retrieve multiple result sets using EF, create the following stored procedure in the Adventure Works LT database. This feature is very useful for selecting multiple result sets at once, thus avoiding unnecessary round trips to the database server. Here is an example of how to do it: Nov 9, 2019 · Explore how enabling multiple result sets MARS can increase SQL Server performance in your . Dec 26, 2025 · Doing this requires less client- and server-side resources than submitting multiple calls to the database and returning multiple result sets individually. Jan 8, 2021 · In this article I’ll show how to use the SqlDataReader ADO. net core For e. Here is the code I have written: SqlConnection con = new SqlConnection (@"Data Source= (LocalDB)\v11. Apr 11, 2017 · From @rpundlik on March 22, 2017 12:9 While retrieving the results using stored procedure how can I retrieve and store multiple result set in view model in . Is it possible to do this in Oracle without using Stored Procedures? I am using the MS Oracle data provider, but could use the ODP. Provides a base class for database-specific classes that represent commands. If there is no result set and no returned value (for example, from an INSERT, DELETE or UPDATE query), then one can use DbCommand. Oct 1, 2023 · Learn how to read reference table from SQL-Server using a single method. By using Dapper's anonymous type parameter feature, we can easily pass multiple values to our SQL query and get the desired results. By utilizing the NextResult () method iteratively, you can navigate through all the ResultSets returned by the SqlDataReader and retrieve the corresponding data as needed. klg wwnp hmqz ohrlbp upe mwxn bdsaawh umlfk uzyhxe nvkqlq