Also, use sys.indexes rather than the deprecated sysindexes, and make sure you identify that the index belongs to that table (there could also be an index named xyz on another table). Indexes are used to retrieve data from the database more quickly than otherwise. – Aaron Bertrand May 23 '16 at 19:09 SQL Server 2016 edition has included an awe-inspiring feature in Database engine that is DROP IF EXISTS along with a bunch of superior features.. Option DROP IF EXISTS is used when we need to verify if an object exists in a database before creating/ dropping it. The CREATE INDEX statement is used to create indexes in tables. Válido para: SQL Server 2008 SQL Server 2008 y versiones posteriores. The users cannot see the indexes, they are just used to speed up searches/queries. REBUILD ... option specifying the compression option.Cuando se quita un índice clúster OFFLINE, solo se quitan los niveles superiores de índices clústeres, por lo que la operación es realmente rápida.When a clustered index is dropped OFFLINE, only the upper levels of clustered indexes are removed; therefore, the operation is quite fast.Para más información sobre la compresión de datos, vea No se pueden especificar opciones al quitar un índice XML.Options cannot be specified when you drop anXML index.Cuando se quita un índice XML principal, todos los índices XML secundarios asociados se quitan automáticamente.When a primary XML index is dropped, all associated secondary XML indexes are automatically dropped.Cuando se quita un índice espacial, no se puede especificar ninguna opción ni usar When you drop a spatial index, you cannot specify any options or use Para más información sobre los índices espaciales, vea Para ejecutar DROP INDEX, se requiere, como mínimo, el permiso ALTER en la tabla o vista.To execute DROP INDEX, at a minimum, ALTER permission on the table or view is required.Este permiso se concede de forma predeterminada al rol fijo de servidor En el ejemplo siguiente se eliminan dos índices en una sola transacción de la base de datos The following example deletes two indexes in a single transaction in the Quitar un índice clúster en línea y establecer la opción MAXDOPDropping a clustered index online and setting the MAXDOP optionEn el ejemplo siguiente se elimina un índice clúster con la opción The following example deletes a clustered index with the Dado que no se ha especificado la opción MOVE TO, la tabla resultante se almacena en el mismo grupo de archivos que el índice.Because the MOVE TO option was not specified, the resulting table is stored in the same filegroup as the index.Quitar un índice clúster en línea y mover la tabla a un nuevo grupo de archivosDropping a clustered index online and moving the table to a new filegroupEn el ejemplo siguiente se elimina un índice clúster en línea y se mueve la tabla resultante (montón) al grupo de archivos The following example deletes a clustered index online and moves the resulting table (heap) to the filegroup Los índices creados como resultado de la creación de restricciones PRIMARY KEY o UNIQUE no se pueden quitar mediante DROP INDEX.Indexes that are created as the result of creating PRIMARY KEY or UNIQUE constraints cannot be dropped by using DROP INDEX.Se quitan con la instrucción ALTER TABLE DROP CONSTRAINT.They are dropped using the ALTER TABLE DROP CONSTRAINT statement.En el ejemplo siguiente se elimina un índice clúster con una restricción PRIMARY KEY al quitar la restricción.The following example deletes a clustered index with a PRIMARY KEY constraint by dropping the constraint.Si lo hiciera, sería necesario quitar esas restricciones primero.If it did, those constraints would have to be removed first.En el siguiente ejemplo se quita un índice XML de la tabla En el ejemplo siguiente se elimina un índice clúster en línea y se mueven la tabla resultante (montón) y los datos FILESTREAM al esquema de partición The following example deletes a clustered index online and moves the resulting table (heap) and FILESTREAM data to the We want to have the NAME column be a unique in our [TOY]. Tutorials, references, and examples are constantly reviewed to avoid errors, but we cannot warrant full correctness of all content. [sp_DropAllIndexesOnTable] @TableName varchar(1000) AS BEGIN SET NOCOUNT ON; DECLARE @DropCommand1 nvarchar(4000) DECLARE @DropCommand2 nvarchar(4000) --Create Temp Table to hold the names and table names of all Clustered Indexes SELECT o.name AS TableName, i.name AS IndexName INTO #AllClustered FROM sys.indexes i INNER JOIN sys.objects o … Note: Updating a table with indexes takes more time than updating a table without (because the indexes also need an update). If you want to list down the indexes on a table alone, then you can filter the view using the object_id of the table. Applies to: SQL Server 2008 SQL Server 2008 and later. Duplicate values are not allowed:The SQL statement below creates an index named "idx_lastname" on the "LastName" column in the "Persons" table:If you want to create an index on a combination of columns, you can list the column names within the parentheses, separated by commas:The DROP INDEX statement is used to delete an index in a table.If you want to report an error, or if you want to make a suggestion, do not hesitate to send us an e-mail: Use dynamic SQL (IF EXISTS (...) EXEC sys.sp_executesql N'DROP INDEX ...';). The T-SQL …

[BRANDS] table. Now due to a change in the requirement, we need to include a Country column as well in the existing non-clustered index. Some indexes like a PRIMARY KEY and UNIQUE index guarantee that only one occurrence of the information will reside in a given table. Duplicate values are allowed:Creates a unique index on a table. SQL Server Drop Index If Exists. SQL CREATE INDEX Statement. While using this site, you agree to have read and accepted our Note When executing a CREATE INDEX statement with the DROP_EXISTING clause, SQL Server assumes that the index is consistent, that is, there is no corruption in the index… The sys.indexes system catalog view returns all the indexes of the table or view or table valued function. The most commonly used indexes are CLUSTERED and NON-CLUSTERED. [nombre_esquema].nombre_objeto cuando nombre_basededatos es la base de datos actual o tempdb y nombre_objeto comienza con #.Azure SQL Database supports the three-part name format database_name.

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