How do I run a stored procedure in EF?

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How do I run a stored procedure in EF?

The following is the procedure to import and use a Stored Procedure in Entity Framework.

  1. Step 1: Import Stored Procedure.
  2. Step 2: Right-click Stored Procedure and select “Add Function Import”.
  3. Step 3: Here, we can map a returned object of our Stored Procedure.

What is the syntax to in stored procedure?

The stored procedure syntax has the following parameters: Schema_name: It is the name of your database or schema. By default, a procedure is associated with the current database, but we can also create it into another database by specifying the DB name.

How do I execute a stored procedure in ODBC?

To run a procedure as an RPC

  1. Construct a SQL statement that uses the ODBC CALL escape sequence.
  2. Call SQLBindParameter for each input, input/output, and output parameter, and for the procedure return value (if any).
  3. Execute the statement with SQLExecDirect.

What is stored procedure in SQL Server?

SQL Stored Procedures for SQL Server A stored procedure is a prepared SQL code that you can save, so the code can be reused over and over again. So if you have an SQL query that you write over and over again, save it as a stored procedure, and then just call it to execute it.

How do I create a stored procedure in EDMX?

Answers

  1. Right click the entity or empty area in designer windows.
  2. Choose Add>>Function Import…
  3. Type the Function Import Name as you like, choose the corresponding Stored Procedure Name in the dropdown list, and set the correct return type of this function.
  4. Then you call the method like this: context.

How do you write a trigger?

Creating Triggers

  1. CREATE [OR REPLACE] TRIGGER trigger_name − Creates or replaces an existing trigger with the trigger_name.
  2. {BEFORE | AFTER | INSTEAD OF} − This specifies when the trigger will be executed.
  3. {INSERT [OR] | UPDATE [OR] | DELETE} − This specifies the DML operation.

How do I use ODBC query tool?

To use the ODBC Query tool, you must create connections to ODBC data sources first. You open the ODBC Connections dialog box by either: Going to Manage > Tools > , then either Data Connectors > Database Query (ODBC) or Input > Database Query (ODBC)

How do I test an ODBC connection in Windows?

Test the ODBC driver

  1. In Windows, navigate to Start > Programs > ServiceNow ODBC > ODBC Administrator.
  2. Select the System DSN tab, and then select the ServiceNow data source.
  3. Click Configure.
  4. Click Test Connect in the ODBC driver Setup dialog box.
  5. Enter the login credentials.
  6. Click OK to log in to the data source.

What is stored procedure SQL Server?

How to execute stored procedure using dbcontext in EDM?

Execute Stored Procedure using DBContext 1 Add the stored procedure in EDM 2 Add function import. More

How to execute stored procedure in SQL Server?

You can execute Stored Procedure by two way: 1. Using DBContext.Database.SqlQuery which returns any type of entity tracked by DBContext. 2. Using DBSet.SqlQuery which returns entity of same type as DBSet.

How do I call a stored procedure in Entity Framework?

Fortunately for us, the Entity Framework has helpfully provided a method named SqlQuery. We can use this method to call our stored procedure. For this technique to work though, we need to use the Database property that is implemented in the DbContext class.

How many parameters can a stored procedure have in SQL Server?

A procedure in SQL Server can have a maximum of 2100 parameters, each assign with a name, data type, direction, or a default value. Now to execute a stored procedure with multiple parameters, we can either specify the parameter name with its value or we can directly specify the parameter values in sequence.