What does recompile do in SQL Server?

What does Option recompile do?

OPTION(RECOMPILE) tells the server not to cache the pan for given query. This means that another execution of the same query will require to elaborate a new(maybe different) plan. This is used in the queries with parameters to prevent parameter sniffing issue.

What causes stored procedure to recompile?

There are multiple reasons why a recompilation can occur. A recompile of an execution plan could be due to database level configuration changes, schema changes, index changes, etc.

How do I recompile a view in SQL Server?

In order to rebuild all views of a SQL Server database, you could use the following script: DECLARE @view_name AS NVARCHAR(500); DECLARE views_cursor CURSOR FOR SELECT TABLE_SCHEMA + ‘. ‘ +TABLE_NAME FROM INFORMATION_SCHEMA.

Can we recompile view in SQL Server?

SQL Server automatically recompiles stored procedures, triggers, and user-defined functions when it is advantageous to do this.

How option recompile is invoked?

To recompile a stored procedure by using sp_recompile

Select New Query, then copy and paste the following example into the query window and click Execute. This does not execute the procedure but it does mark the procedure to be recompiled so that its query plan is updated the next time that the procedure is executed.

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How do you compile a procedure?

Compile one or more procedures, using one of these methods:

  1. Use the ALTER PROCEDURE or ALTER PACKAGE command to recompile the procedure or the entire package.
  2. Drop the procedure and create it again.
  3. Use CREATE OR REPLACE to recompile the procedure.

What is Sp_refreshsqlmodule?

It means that whenever you modify an underlying object of any non-schema-bound object then the metadata DOES NOT get updated automatically. Lets update it manually with the help of sp_refreshsqlmodule (One of the system stored procedures). USE tempdb. GO.

What does Option recompile do when added to a stored procedure?

When executing a stored procedure with a WITH RECOMPILE option in the EXECUTE statement, a new query execution plan is created and used for this specific execution, but it’s not stored in cache. If there is already a plan in cache for this specific stored procedure, it’s intact.

Can we alter view?

You can also use ALTER VIEW to define, modify, or drop view constraints. This statement does not change the definition of an existing view. To redefine a view, you must use CREATE VIEW with the OR REPLACE keywords. … Invalid materialized views cannot be used by query rewrite and cannot be refreshed.

How do I edit a view?

To modify a view

  1. In Object Explorer, click the plus sign next to the database where your view is located and then click the plus sign next to the Views folder.
  2. Right-click on the view you wish to modify and select Design.

How do I recompile a package?

To recompile the body of the emp_mgmt package in the schema hr , issue the following statement: ALTER PACKAGE hr. emp_mgmt COMPILE BODY; If Oracle Database encounters no compilation errors while recompiling the package body, then the body becomes valid.

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