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configurations setting for fill factorreorganize index sql server  First, let’s look at the index in this tutorial with sample code to create a non-clustered SQL Server index on a sales table

Ini tidak berlaku untuk indeks penyimpan kolom atau penyimpanan data dalam memori. SQL Server also supports nonclustered columnstore indexes. [myTable] REORGANIZE WITH ( LOB_COMPACTION = ON ) I have the above query running for 16 days (still running), the table is a dummy table used for benchmark tests, it has over 10 Billion rows. I'm able to rebuild all other indexes with online=on option and it won't affect performance. dm_os_performance_counters where counter_name = 'page splits/sec'. ALTER INDEX All ON tableName REORGANIZE;The minimum permission to create/alter index can be easily found in corresponding BOL articles CREATE INDEX (Transact-SQL) and ALTER INDEX (Transact-SQL):. dm_db_index_physical_stats dm function. "There are a variety of mechanisms for rebuilding indexes. The script will do a reorg if fragmentation goes over 5 %. reorganize pages. To execute our task, we can right-click on the plan and choose Execute. Select the server connection to use when performing this task. SQL Server NULL Index. Expand the Tables folder. If you read complete article it was trying to point out the commands or operations in SQL Server which would require additional disk space and others that would not. Many people (and even solutions) in the SQL Server community say you need to look at Index Fragmentation levels (e. Test all three and see which is fastest and which gives the least index fragmentation. dm_db_index_physical_stats) is <1000 you don't need to rebuild or reorganize such. If you don't want to grant so granular. less than 10% logical fragmentation, don’t. So I ran reorganize indexes and that took care of the fragmentation problem. As a result of rebuilding an index, SQL Server also updates the statistics for the indexes that were rebuilt. 0 to SQL Server 2016 there is no feature to rebuild index automatically. You can even stagger which indexes get rebuilt when and perhaps pick the top N index, based on fragmentation level, and REORGANIZE a certain number of them each night. ;WITH cte AS ( SELECT object_id, index_id, partition_number, rows, ROW_NUMBER () OVER (PARTITION BY object_id, index_id, partition_number. I am getting confused with choosing Index Reorganize/Rebuilding of indexes based on avg_fragmentation_in_percent returned by sys. The Reorganize Index task also includes an option to compact large object data. Use the page count reported by DBCC SHOWCONTIG to get an idea of the size of the indexes (each page is 8 KB in size). The entire index has to be read to rebuild it, so there's no reason to do a. Thanks, I will try this next time. This has a benefit. dm_exec_requests to see how much longer your query has to finish. Hallengren website has an option to reorganize indexes say with 5% Fragmentation, and rebuild for 30% Fragmentation. Also, in earlier versions the granularity of control was less refined. REORGANIZE, UPDATE STATISTICS and a simple SELECT statement. REORGANIZE, UPDATE STATISTICS and a simple SELECT statement. Reorganizing an index uses minimal system resources and is an online operation. We will call this stored procedure Maintenance. It's so bad on indexes that fragment that it's actually the cause of the myth of Random GUID Fragmentation. I still see questions about SQL Server 2000/2005 pop up on Stack Exchange. SQL Server 2005 Index Rebuild/Reorganize. Do not use REORGANIZE. We need to set these parameters for the job IndexOptimize - USER_DATABASES: @UpdateStatistics = 'ALL'. Executing this query requires the VIEW SERVER STATE permission. Index Reorganize/ Rebuild Time. If we then try to reorganize this index. This happens approx. The performance benefit may not be noticeable for indexes that are used primarily for seek operations. If the older date partitions are pretty static , you might benefit from partition level index rebuild / reorganize, depending on sql server version. The. From Rebuild or Reorganize: SQL Server Index Maintenance by Kendra Little: Short version: Rebuild: An index ‘rebuild’ creates a fresh, sparkling new structure for the index. index_id = 0 -- Heap or table indexstats. ALTER INDEX ALL ON [dbo]. . dbo. CREATE INDEX IX_DisplayName ON dbo. As well as maintenance plans, SQL Server Agent jobs are also a handy way to automate and schedule index defragmentation jobs in SQL Server. ALTER INDEX All ON tableName REBUILD; This drops the index and recreates it, removing fragementation, reclaims disk space and reorders index pages. Let’s move on to creating the Reorganize Index task via the Maintenance Plans and then Update Statistics task. Requires ALTER permission on the table or view. Here’s how you can rebuild or reorganize fragmented indexes:-- Rebuild index to reduce fragmentation ALTER INDEX [YourIndexName] ON [YourTableName]. SQL. 1. ApexSQL Defrag tool is a 3 rd party SQL index defragmentation tool that you can easily use to perform number of operations related to the SQL Server indexes. before i answer your question is the database on simple recovery. The transaction log backup size spikes during index reorganize - exponentially bigger. If you use Ola Hallegren's scripts then you can set the thresholds for a rebuild/reorganise (say over 50% fragmentation for a reorganise, over 80% for a rebuild) and this can run overnight out of hours. It is used when the operation takes a. Largest table has around 500. dm_db_index_physical_stats (Transact-SQL). To rebuild or reorganize indexes manually, head over to the Fragmentation tab. From this tab, select a SQL Server instance in the server explorer on the left and choose database (s) as a target of index operation. Rebuild Index. Also, it is possible to do it with the help of SSMS (SQL Server Management Studio): Choose the database and then the table where you want to Reorganize and. The equivalent statistics update can be achieved by: UPDATE STATISTICS . Well, I’d wager some of it is backwards compatibility. Doing online operations not only reduces the need for the maintenance window, but they can be done more often throughout the week. It doesn’t work on the intermediate pages between the root and the leaf. ". Using SQL Server Management Studio: In the Object Explorer pane navigate to and expand the SQL Server, and then the Databases node Expand the specific database with fragmented index Expand. Mohamad Mahmoud Darwish. Reorganize does not holds blocking locks. dm_db_index_physical_stats (NULL, NULL, NULL, NULL, NULL); GO. Index in SQL Server . This allows you to interrupt the rebuild and preserve the work already done. First it’ll try an index reorganize, which is an online operation. When reorganizing an index, SQL Server acquires an Intent-Exclusive lock on the index B-tree. Dalam indeks rowstore, SQL Server mengimplementasikan pohon B+. As a general (widely accepted) rule of thumb is . Therefore, you do not need to update statistics after performing ALTER INDEX REBUILD, DBCC DBREINDEX, DBCC INDEXDEFRAG, or ALTER INDEX REORGANIZE operations. ALTER INDEX statement can be used to change the properties of an index, such as its fill factor or sort order, or to rebuild or reorganize the index. Creating a SQL Server Maintenance Plan. 1 Answer. 0. REORGANIZE Tells SQL Server to perform a master merge, which involves merging the smaller indexes created in the process of indexing into one large index. I'd just add that adding the line PRINT @sql after the SET @sql =. Last night I killed the REORG on the clustered index after almost 6 hours of execution. To solve this, I want to use the REORGANIZE operation every time. It also lets you specify a LOB_COMPACTION option. The harder but much more. You can query the sys. In the infrequent cases where you do need to reorganize or re-build index, consider these: Run index maintenance during off peak period. Create a execute sql task and schedule it through sql agent . If an index is between 10% and 30% fragmented, I will REORGANIZE the index and UPDATE the statistics. if the index has: less than 5% logical fragmentation, don’t do anything. You can use Ola's Index maintenance solution or Michelle Ufford's - Index Defrag Script. Therefore, focus on the larger indexes because their pages are less likely to be cached by SQL Server. SQL Server NULL Index. Using above query, you could also query the progress of backup,restore,dbcc command and so on. The index fragmentation level can be found using the sys. Here are a couple of examples. I would suggest that you use Ola Hallengren's scripts, freely available and widely used. With the following command:. 000 rows. Under Select a page, select Options. 3. The issue is resolved. sql to our customers's SQL Server instance. dm_db_index_physical_stats (under the Examples -> D section: Using sys. The first part of this tip focuses on SQL Server Enterprise Edition to reduce the duration for index maintenance for off-line rebuilds. Partitions can be rebuilt individually. Index fragmentation problem after disabling page-level locking for an Index. Online index rebuild higher fragmentation on intermediate level. However, you can create a staging table insert all rows into that, drop original table and rename staging table to original. Does database on which tables reside have database owner. The following example returns all statistics for all tables and indexes within the instance of SQL Server by specifying the wildcard NULL for all parameters. It defragments the leaf level of clustered and nonclustered indexes on tables and views by physically reordering the leaf-level pages to match the logical, left to right, order of the leaf nodes. SQL Agent doesn't connect as SA, and the rebuild index task generates a command that looks like ALTER INDEX [ci_FactInternetSales] ON [dbo]. Similarly, removing fragmentation in a. As a general (widely accepted) rule of thumb is . There are two ways of doing that: (i) by using the ‘ DBCC SHOWCONTIG ‘ command, and (ii) by using the ‘ sys. First, let’s look at the index in this tutorial with sample code to create a non-clustered SQL Server index on a sales table. An index reorganize holds an intent-exclusive table lock throughout the operation, which will only block shared, exclusive, and schema-modification table locks. There is all reason to only rebuild index that are fragmented, and a good maintenance. Hi @Devendra Kumar Sahu , You can perform a reorg or rebuild an index based on its fragmentation values. Both create/rebuild of columnstore index is an OFFLINE operation at this time but you can defragment columnstore index ONLINE. The possibility to. It reorgs indexes when fragmentation is below 30% else it rebuild the index. Another possibly is that the index is being rebuilt and then re-fragmenting again. 8. Applies to: SQL Server. Expand Databases, and then expand the database that contains the full-text index. An index rebuild will always build a new index, even if there’s no fragmentation. Reorganizing or rebuilding a cluster index does not have any impact on the non-cluster indexes in SQL Server 2000 SP4 or above, or any version of SQL 2005 or. dm_db_index_physical_stats function is avg. So far, all good. 000. Some operations that took ~90s now take ~6mins. indexes ind ON ind. ALTER INDEX [name_of_the_index] ON [table_name] REORGANIZE; If you want to reorganize all the indexes on any table, you can run the following syntax. Factors to consider while Rebuild/Reorganize of index in SQL Server 2012. Once you select that option it will bring up the following screen. CREATE PROCEDURE dbo. Reorganize Index Log Generation Now here is the final demo of Reorganize the Index, it generates lots of Transaction Log records, a very simple demo, we will capture transaction log using sys. Larger indexes have more intermediate levels and pages. 2. Mohamad Mahmoud Darwish. In SQL Server, the ALTER INDEX statement is used to modify an existing index. – variable. There are two main ways to defragment a Heap Table: Create a Clustered Index and then drop it. setting shrink file = 361,360 (min allowed) Among your question steps, this is the right one. It reorgs indexes when fragmentation is below 30% else it rebuild the index. ALTER INDEX index_name ON table_name REORGANIZE OR. Reorganizing also compacts the index pages. dbForge Index Manager for SQL Server will. Expand the Indexes folder. Please post more details like how are you running the reorganize via TSQL or SSMS or SSIS. Reorganize: Reorganize indexes with between 11-30 percent fragmentation. Script to reorganize all indexes on all tables in user databases. You can instantly rebuild and reorganize SQL Server indexes in visual mode or generate SQL scripts for future use. Index should be reorganized when index fragmentation is between 10% to 40%. x)) e Banco de Dados SQL do Azure, REORGANIZE executa as seguintes otimizações adicionais desfragmentação online: Remove fisicamente linhas de um grupo de linhas quando 10% ou mais linhas foram excluídas logicamente. 2 Answers. March 2, 2023 at 3:05 pm. Thanks for your. 3) SQL Server locks acquired with SQL Server online index rebuilds. Starting with SQL 2005 master keeps very little info regarding server configs and logins. every 2-3 day if running maintenance once per day (night). Unlike REORGANIZE on user tables, REORGANIZE on a queue is always performed as an offline operation because page level locks are explicitly disabled on queues. Yup. Backup Up Database (Full)4. REORGANIZE cannot be specified for a disabled index or. Click the plus sign to expand the table on which you want to rebuild an index online. 1. 2) Extra disk space required during SQL Server online index rebuilds. Please refer to SQL Server Maintenance Plan Reorganize Index and Update Statistics Tasks to get more information about how to design the maintenance plan. If you want to rebuild an index the syntax is below: ALTER INDEX. This task uses the ALTER INDEX. Rename it to the Nightly Index Maintenance job. index_type_desc,. indexes. You can also change this threshold via parameters. Then monitor and tweak jobs in a way that is appropriate to. One solution is to deploy a faster I/O subsystem, where page splits would be less of an issue. @OnlyModifiedStatistics = 'Y'. We can however get it back to a compressed segment by issuing the following command we saw previously. Reorganize all index in SQL Server. . [Test] REBUILD WITH (ONLINE = ON); Additionally, I would only rebuild indexes which require it. This schema modification lock blocks all other concurrent access to the table, but it is only held for a very short period of time while the old index is dropped and the statistics updated. SQL Server Index Rebuild and Reorganize Script. We will use 3 statements in order to show the blocking: ALTER INDEX. I have been advised by a contracted SQL Server expert that, after any change in # of CPUs and/or available memory, I should reorganize all indexes and then update all statistics or SQL Server will not make the full use of the new resources. #969726. It is used when the operation takes a. DBCC DBREINDEX - use to re-index with older versions (SQL Server 2000 and earlier) sys. : 15% com. When you. I want to reorganize or rebuild indexes. Reorganize (SQL Server indexes, primary keys, and unique keys) The Reorganize Indexes dialog lets you reorganize an entire index, primary key, or unique key or a single partition of that object. The Reorganize Index task encapsulates the Transact-SQL ALTER INDEX statement. Or if it swapping places of two pages. The process uses the existing pages only and does not allocate new ones, but it does compact the index pages. Microsoft's guidance on index reorganize and rebuild supports this: For example, if a given index is used mainly for scan operations, removing fragmentation can improve performance of these operations. dm_exec_requests showed the REORG was only 55%. Still, non-clustered indexes will be left to rebuild/reorganize occasionally, but they are much smaller than table itself. The query processor uses statistics on your data to help determine how. 11. The first rebuilds a single index on a table and the second rebuilds all the indexes on the table. This means that an index can be rebuilt without knowing the structure of a table or its. Large object data is data with the image, text, ntext, varchar (max), nvarchar (max), varbinary (max), or xml data type. If you want to know how far along it is, open up another instance of SSMS and connect to the server, then run a query against the sys. x) 以降) および Azure SQL データベース における列ストア インデックスの場合、REORGANIZE では、次の追加のデフラグ最適化がオンラインで実行されます。 行の 10% 以上が論理的に削除されたとき、行グループから行を物理的に削除します。Also when I try to reorganize or rebuild manually, using one of the following commands: use DBNAME. So, whenever I need to rebuild the indexes of my OrdersItemstable, with some millions of rows, my customers can't create/edit new orders for about 2-4 minutes. Just kidding – although the evidence does point to that. Reorganizing an index uses minimal system resources. Our Production instance is running SQL Server 2014. They can all be used with no special considerations for replication, with the following exception: primary keys are required on tables in transactional publications, so you cannot drop and recreate primary keys on these tables. If the underlying table is a clustered index, then for the CI and all non-clustered indexes both rebuild and reorganize are available. Hi all, I have SQL Server 2017 Edition and see harmful fragmentation for all tables in DB. We can also run the task by running the corresponding job in SQL Server Agent. This is fixed in later service packs of SQL Server 2005 Management Studio. )You need to assemble the SQL prior to calling SP_ExecuteSQL, i. SQL SERVER – Difference Between Index Rebuild and Index Reorganize Explained with T-SQL Script. You can safely stop it but you need to find out why your database became slow. Just a reminder that index reorganize is always online (all indexes are available during defrag) and index rebuild can be made also online (WITH. When you rebuild an index, SQL Server actually resorts the data of the index and uses a new set of index pages. Speaking for SQL Server, I tend to choose a index size and index fragmentation level at which point I begin performing index maintenance. Regular index maintenance and statistics updates are crucial, that much is certain. How can INDEX rebuilds be going parallel when MAXDOP is set to 1? They shouldn't be. The second part of this tip is intended to reduce the duration for update statistics as it pertains to both. Index rebuilding and reorganizing are the two methods to maintain indexes and improve database performance. This job needs to be scheduled and ran on a weekly basis due to large data load. Default SQL Server value is 0 or 100%, which means that no free space should be left on each page. 5% to 30% -> ALTER INDEX REORGANIZE Over 30% -> ALTER INDEX REBUILD WITH (ONLINE = ON)* However, we have noticed that even with really high fragmentation (over 95%) on large and small tables, REORGANIZE works fine. SQL Server Index Rebuild and Reorganize Script The script uses the following parameters: @reportOnly (required) Values: - 0: The script will reorganize or rebuild the fragmented. Recall the paper example from above: a rebuild would be like reprinting the document in the correct order and trashing the old ones. Reorg the Indexes if the Fragmentation level is > 5% and <30%. These pages can get empty space on them and become out of order over time as well. These scripts are widely tested in the community and are much flexible so that you can. Expand Management in the Object Explorer> Right click Maintenance Plans> Maintenance Wizard> Create Plan for Rebuilding Indexes. MS advises using Reorganize for 30% fragmentation or less. Index fragmentation increased significantly after rebuild. Update Statistics. Reorganizing the indexes will take less time, and less effort from the SQL server thus they can be done in a weeknight type of instances. SQL Server 2016 (13. Applies to: SQL Server Azure SQL Database Azure SQL Managed Instance Azure Synapse Analytics Analytics Platform System (PDW) Poorly designed indexes and a lack of indexes are primary sources of database application bottlenecks. When I run a maintenance plan to reorganize and rebuild tables indexes, it fails. Solution. A table may only have one columnstore index on it at a time, regardless of whether it is clustered or nonclustered. It depends. _in_percent > 50 AND ss. dbForge Index Manager provides smart index fixing and fragmentation. before i answer your question is the database on simple recovery. This. The SQL Server Database. SORT_IN_TEMPDB means that SQL server will use tempdb to allocate the temporary space as opposed to allocating space in the user database whose index is being rebuild. We will use 3 statements in order to show the blocking: ALTER INDEX. The index it is running against is 78% fragmented. Index rebuilds (not index reorganise) always do a fullscan update of the statistics. When you reorganize the index, you go through the existing index, cleaning up blocks for deleted records etc. Wouldn’t rebuilding an index with MAXDOP=4 on a heavily utilized SQL Server result in the index being (again) fragmented after the rebuild? This could happen in the case where they’re a lot of statements waiting to be processed and the database engine assingning the subtasks of the index reorganize in portions to different queues. Reorgs require statistics run manually (exec sp_updatestats) From the description it sounds like a less intrusive operation and only less recommended because it's an older, slower process during which the DB will be less responsive. Index Rebuild operation first drops and then recreates the index. . object_id =. Check total_pages in sys. Failing that (ie Standard Edition etc), look at re-organizing indexes - these will keep them online. Reorganize Index Log Generation Now here is the final demo of Reorganize the Index, it generates lots of Transaction Log records, a very simple demo, we will capture transaction log using sys. Rebuild or Reorganize SQL Index. This method can help when Change_tracking is Auto. Merging the full-text index fragments can improve performance and free up disk and memory resources. 2. I suspect the reorganize is compacting the index after the rebuild and thus moving quite a bit of data around. Microsoft recommends Index Rebuild operation to defrag indexes if the fragmentation level of your index is greater. RCSI utilizes tempdb heavily but gives performance boost. index rebuild/reorganize frequency. Shrink File. Drag and drop the index rebuild task from the maintenance plan toolbox. x) and in Azure SQL Database, we recommend using ALTER. After month the same query took up to 20-30 s. An index can become fragmented over time as data is added, updated, or deleted, and this fragmentation can lead to longer query execution times and decreased performance. If the index you wish to reorganize is not listed in the “Indexes to be reorganized” section, ensure that it has been added to this section and then click the “OK” button. 1. Modifying a SQL Server Maintenance Plan. The problem is that the size is getting out of control, I can see up to 99% fragmentation in the Primary Key clustered indexes. Thanks for your reply. To create a new job, right click on SQL Server Agent, select New and then Job. Reorganize Index. [FactInternetSales] REBUILD PARTITION = ALL WITH (PAD_INDEX = ON, STATISTICS_NORECOMPUTE = OFF, SORT_IN_TEMPDB = OFF, IGNORE_DUP_KEY = OFF, ONLINE = OFF,. From a transaction log standpoint, reorganize index generates a lot more small transactions and can lead to substantially more resource-consumption than a rebuild. 7. DBCC DBREINDEX rebuilds an index for a table or all indexes defined for a table. Index maintenance usually starts 3 hours before the database full backup and ends before the full backup start. In this case Reorganize option is selected: DBCC DBREINDEX rebuilds an index for a table or all indexes defined for a table. Microsoft Certified Master: SQL Server, MVP, M. Unless you are adding data exactly in the order of the index the index will fragment. Until now I'm using the Maintenance Plan Index rebuild task to. This caused the system to reorganize or rebuild. A nonclustered columnstore. Basically, an index rebuild copies the index to another place. UPDATEIn this article. I used this approach to improve performance and it worked perfectly for a long time. Disk space is an important consideration when you create, rebuild, or drop indexes. If you select one database from the "Databases" dropdown list you then get the option to. SQL Server 2019 adds resumable online index creation, and it’s pretty spiffy: 1. Reorganizing only works on the leaf pages. it will reorganise it. Rebuild Indexes. . ALTER INDEX CCI_TEST on DBO. After it completes, we can see the job was successful. You can slow down fragmentation by using a fill factor < 100. If you choose to compact large object data, the statement uses the. However, imagine that you have seven years of data. The first steps of configuring the Reorganize Index task is quite similar to the Rebuild Index task. But, fill factor is defined in index properties, and is not overriden in index rebuild settings, so I believe both operations should respect the value. Add a comment. Working this way is usually optimal, since SQL Server does not have to update the NCIs while the data is being imported. The. Hi, The widely used thresholds are: Reorganize if fragmentation is between 10-30%. In SQL Server Management Studio, in Object Explorer, expand the server. . April 1, 2009 at 5:07 am. x) and later. You should always do some form of intelligent rebuilding - i. The fi rst factor is whether you have SQL Server Standard Edition or SQL Server Enterprise Edition. name AS IndexName, indexstats. Link To find index fragmentation at partition level . I wonder if there is just something weird about the way. 3) SQL Server locks acquired with SQL Server online index rebuilds. USE AdventureWorks; GO ALTER INDEX ALL ON Production. Right-click the Indexes folder and select Reorganize All. : 15% com. You need to do more research but basically, reorganize as often as needed to keep your fragmentation under 20-30% until you can rebuild it during off-hours. 2. ALTER INDEX ALL ON [table_name] REORGANIZE; However, if you want to rebuild all the indexes on the table, you can run the following. I think there is another way to rebuild fragmented index, You can create an sp and scheduled it via SQL Server Agent or via task scheduler. index_id > 0 -- Indexes. OBJECT_ID) AS TableName, ind. Regards. #969726. From stackoverflow page ( How Often should the indexes be re-build in sql-server DB?) i got this query : SELECT t. Without logic, the plan will. The Microsoft Docs page for SQL Server statistics states: Operations such as rebuilding, defragmenting, or reorganizing an index do not change the distribution of data. Reorganizing tries to put the leaf level of the index back in logical order within the pages that are already allocated to the index. For rows that contain LOB columns, the normal page will contain a reference to the LOB page. The issue is that doing this manually is very tedious as we have 75+ tables, also I noticed the indexes seem to get fragmented very quickly. The reason given is that the indexes and statistics are partly based on available CPU and memory resources. Rebuilding an index does two things. Applies to: SQL Server. SQL Server Database Engine به صورت خودکار ایندکس. Basically, rebuilding is a total rebuild of an index - it will build a new index, then drop the existing one, whereas reorganising it will simply, well. 2. Index Defrag Script V4. If you cancel a rebuild operation midway, it. Rebuildes only indexes on one of the tables. In decades of working with MS SQL Server at a many companies, I've never ONCE had to rebuild the indexes in order to fix a performance problem. ALTER INDEX ALL ON Adventureworks. SQL Server Database Engine. ixRebuild @fillfactor int = 100, @Force bit = 0, @Schema varchar (255) = NULL, @Table varchar. ;WITH cte AS ( SELECT object_id, index_id, partition_number, rows, ROW_NUMBER () OVER (PARTITION BY object_id, index_id, partition_number. If we have 10-30% fragmentation a REORGANIZE is performed, and a REBUILD is performed when we have greater than 30% fragmentation. This makes it more likely that some other session is blocked by your session, and that you may, in turn, become blocked by a lock held by that session. Reorganize Index Task Forum – Learn more on SQLServerCentral. If the command that's running is a reorg, you can just kill it. Any helps to me, please? Thanks · REORGANIZE is always an online operation, that is, it does not block. Right-click the index that you want to rebuild online and select Properties. It can be done with online option in enterprise edition. This means that an index can be rebuilt without knowing the structure. We need to drag and drop tasks from the Toolbox (to open the toolbox use Ctrl + Alt + X) into the gray workspace area on the bottom as shown in the below screenshot. It’s advisable to remove those often. 2. is_ms_shipped = 0 --Excludes any objects created as a part of SQL Server installation AND ss. Larger indexes have more intermediate levels and pages. Books Online for ALTER INDEX (Transact-SQL) Free index maintenance tool (and much more) Tags; index fragmentation;SQL Server 2016 allows customer to defragment this index using the familiar ALTER INDEX <index-name> REORGANIZE command instead of using a heavy hammer approach of rebuilding the index. Hi, We have SQL Server 2005 EE 62 bit with SP3.