– Ed B. UPDATEIn this article. if the index has: less than 5% logical fragmentation, don’t do anything. During index optimization, nothing accesses the server other than Red Gate SQL Monitor. between 5% and 30% logical fragmentation, reorganize it (using DBCC INDEXDEFRAG. Execute SQL Server Agent Job. From stackoverflow page ( How Often should the indexes be re-build in sql-server DB?) i got this query : SELECT t. 7. It is an on-disk structure that comprises of keys that point to one or more columns in the table or view. Here is the image for additional clarity. It doesn’t work on the intermediate pages between the root and the leaf. SQL Server Database Engine به صورت خودکار ایندکس. REORGANIZE, but shrink is going to take an age, and then you’ll generate a ton of log doing the fragmentation removal. These pages can get empty space on them and become out of order over time as well. Which is the best method to reorganize sql server database. Over time these modifications can cause the information in the index to become scattered in the database (fragmented). Updating statistics is important for query processing and optimization. Okay, maybe not that. This means loading the table and building all nonclustered indexes before moving on to the next one. before i answer your question is the database on simple recovery. dm_db_index_physical_stats in a script to rebuild or reorganize indexes). #969726. From sys. 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. In order to rebuild the index SQL Server still needs a copy of the data and must reorganize the data as the index is rebuilt. The import process should be reworked to bulk-load one table at a time. dm_exec_requests showed the REORG was only 55%. 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. We will use 3 statements in order to show the blocking: ALTER INDEX. We want to create an index. On a small table just leave it alone. Reorganize: The Reorganize operation is an online operation, and moves the closed row groups into the Columnstore. Reorganize/Rebuild SQL Server database indexes using ApexSQL Defrag ApexSQL Defrag is a 3rd party tool made specifically to automatically fix index fragmentation in SQL Server databases. Merging the full-text index fragments can improve performance and free up disk and memory resources. The tool allows you to quickly collect index fragmentation statistics and detect databases that require maintenance. We will use 3 statements in order to show the blocking: ALTER INDEX. However, you can use the following methods to rebuild your indexes: Method 1: Create a SQL Server agent job to rebuild indexes and update statistics. A table may only have one columnstore index on it at a time, regardless of whether it is clustered or nonclustered. However, my SQL Server license is Standard and I can't rebuild indexes online. This happens approx. Frequency of the maintenance should be considered with the goal of minimizing impact of log generation. •DatabaseBackup: SQL Server Backup •DatabaseIntegrityCheck: SQL Server Integrity Check •IndexOptimize: SQL Server Index and Statistics Maintenance. Rename. 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. Please refer to SQL Server Maintenance Plan Reorganize Index and Update Statistics Tasks to get more information about how to design the maintenance plan. Basically every hour I query the dm_db_index_physical_stats dynamic management view and if an index is between 5% and 30% fragmented I. Last night I killed the REORG on the clustered index after almost 6 hours of execution. 1. Indexes are created on columns in tables or views and provide a quick way to look up data based on the values of those columns. ALTER INDEX index_name ON table_name REORGANIZE OR. So let’s take one thing at a time. If your indexes are fragmented : If index has less than 1000 pages - do not perform any index maintenance operation. 1. 8. The guidance from Microsoft is that indexes be rebuilt if the fragmentation is over 30% and reorganized if the fragmentation is between 5 and 30%. If there are frequent changes to the full-text catalog, use this. Reorganize/Rebuild SQL Server database indexes using ApexSQL Defrag ApexSQL Defrag is a 3rd party tool made specifically to automatically fix index fragmentation in SQL Server databases. Rebuild Indexes. The documentation for alter index, for example, shows that it accepts an index_name, not an expression that might evaluate to an index name. If the former, you could do a shrink and then ALTER INDEX. 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. Rebuild or Reorganize SQL Index. But if you need to change something about an index (that. Release unused space. Select the server connection to use when performing this task. @LeeWalters shrink is done, and yes, due to disk issues, not possible to add drives, that's why, in addition, db is populated with blob data, so the question is more from the index fragmentation side. INDEX_REORGANIZE Reorganizes the index. We have an arguments saying Index rebuild not required if page count <1000 in MS SQL server. REORGANIZES works by moving pages around, one at time. 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. For a more in-depth discussion of index rebuild and maintenance in SQL Server 2014 see SQL 2014 Clustered Columnstore index rebuild and maintenance considerations Consider the two trimmed row group scenarios below:AFAIK, In the Alter index statement if we use MAXdop option it is only specific for that index operation and not applicable whenever the index is used by a query. Select Maximum degree of parallelism, and then enter some value between 1. The Reorganize Index task encapsulates the Transact-SQL ALTER INDEX statement. 23%. REBUILD will not just rebuild index, but also force update of corresponding statistics. DBCC DBREINDEX rebuilds an index for a table or all indexes defined for a table. Bug in Rebuild on SQL Server 2016 and above? 6. #4156024. File type (Data), group (PRIMARY) Name () Shrink Action = reorganize pages (=move to front), Shrink File *. In it, enter the Job name, owner, optionally Category. 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. To rebuild or reorganize indexes manually, head over to the Fragmentation tab. Index should be reorganized when index fragmentation is between 10% to 40%. For example, the heaviest index (clustered index and also pk) is running reorg for around 4 hours 30 min even do the. Select the Compact large object column data check box to specify that all pages that contain large object (LOB) data are also compacted. Here are a couple of examples. I cannot understand the reason, can you ?. Create an agent WMI alert ('Reorganize Relief Valve') on a performance condition. A clustered index exists, along with 3 non-clustered indexes. Deletes catalog and creates new. Here is a sample script to reorganize any index in SQL Server. x) and in Azure SQL Database, we recommend using ALTER. This operation is always online, uses minimal system resources, honors the fill factor that has been used during the creation of the index (common misconception is that reorganize operation does not take into account. To solve this, I want to use the REORGANIZE operation every time. The Query Optimizer. SQL SERVER – Difference Between Index Rebuild and Index Reorganize Explained with T-SQL Script. Sc (Comp Sci) SQL In The Wild: Discussions on DB performance with occasional diversions into recoverability. When using columnstore indexes, the delta store may end up with multiple small row groups after inserting, updating, and. Otherwise you're holding an exclusive lock on the table/partition before you start the reorganize. " Disagree with this as I have a system in. 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. 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. SQL. Speaking for SQL Server, I tend to choose a index size and index fragmentation level at which point I begin performing index maintenance. There’s not a lot of guidance in the maintenance plan designer, so it’s not uncommon for people to rebuild every index, and. [<table_name>] REORGANIZE How to Reorganize and Rebuild Indexes using SSMS. However, you can create a staging table insert all rows into that, drop original table and rename staging table to original. Designing the SQL Server Reorganize Index Task. MSDB is utilized by database mail, sql. After an index reorganize, yes, for all statistics as none of them are updated by the. is_ms_shipped = 0 --Excludes any objects created as a part of SQL Server installation AND ss. You also can create a linked server to SQLAZURE and create a sql agent job. This article *recommends* REORGANIZE as the primary method to be used and then links to code that uses the same. The Rebuild Index task similarly bulldozes through everything and rebuilds every index, without checking fragmentation. I'd just add that adding the line PRINT @sql after the SET @sql =. It should be: TRUNCATE; Insert ; ALTER INDEX REBUILD; It might stil be slow, but at least you get sharp indexes. However, imagine that you have seven years of data. 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. This caused the system to reorganize or rebuild. REORGANIZE seems to work as well as REBUILD all the time. dbForge Index Manager for SQL Server will. OBJECT_ID) AS TableName, ind. Reorganizing an index uses minimal system resources. 2. One of the possibilities that we have in SQL Server to keep our indexes defragmented, is the index reorganize operation. Hi, We have SQL Server 2005 EE 62 bit with SP3. Right-click the index for which you want to set the max degree of parallelism and select Properties. To create a new maintenance plan, right click on Maintenance Plan and select New Maintenance Plan and the following window will open. I know the sql to perform this action on all indexes in a table is alter index all on table_name reorganize; But I only want to rebuild or reorganize if . reorganize pages. MyTable REORGANIZE WITH(LOB_COMPACTION = ON). Product REBUILD GO Index Reorganize : This process physically reorganizes the leaf nodes of the index. I know the sql to perform this action on all indexes in a table is. I have been trying to gather information about rebuilding and reorganizing indexes. An index reorganize holds an intent-exclusive table lock throughout the operation, which will only block shared, exclusive, and schema-modification table locks. 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. 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. In SQL Server 2017, however, there is a resumable-online index rebuild feature. Jan 11 at 14:24. In the Name box, enter the name of the maintenance plan you're creating. Consider dropping the index, inserting the data, and then rebuilding the index. It reorgs indexes when fragmentation is below 30% else it rebuild the index. There are two ways of doing that: (i) by using the ‘ DBCC SHOWCONTIG ‘ command, and (ii) by using the ‘ sys. USE AdventureWorks; GO ALTER INDEX ALL ON Production. Additionally, after reorganizing indexes it is reasonable to update the statistics as this operation does not update the statistics like the index rebuild operation. I don't think Windows SQL Server Maintenance has this option yet. Statistics on indexes automatically get updated when the indexes are rebuilt. This is larger than the minimum row size. The first rebuilds a single index on a table and the second rebuilds all the indexes on the table. ”. 1. 1 Answer. Remarks. . After rebuilding indexes, the application performs badly. The Reorganize Index task also includes an option to compact large object data. You have to do some research and tailoring of how and when to do it based on your environment, though. The following index operations require no additional disk space: ALTER INDEX REORGANIZE; however, log space is required. Online & Offline Index Rebuild. REORGANIZE, UPDATE STATISTICS and a simple SELECT statement. Plan B is fine. Until now I'm using the Maintenance Plan Index rebuild task to. Reorganize a fragmented SQL Server index and optimize performance. Still, non-clustered indexes will be left to rebuild/reorganize occasionally, but they are much smaller than table itself. I would prefer to rebuild the indexes where the fragmentation percent of the indexes is greater than 30% and a Re-org of indexes where fragmentation percent is in between 9% and 30%. Hi, Added an index maintenance job (Hallengren) to a database (SQL Server 2016) with a few large tables. SQL Server Maintenance plans – Maintenance plans are shipped with SQL Server and are nice for some tasks. It's so bad on indexes that fragment that it's actually the cause of the myth of Random GUID Fragmentation. reorganize pages. SELECT * FROM sys. Click OK. And if it is a clustered index, the entire table is copied. Select the plus sign to expand the Management folder. dm_db_index_physical_stats function in SQL Server, and the general recommendations in the Books Online are: If an index has less than 1,000 pages, don’t bother removing fragmentation; If the index has:. CREATE INDEX IX_DisplayName ON dbo. ALTER INDEX ALL ON [dbo]. [Test] REBUILD WITH (ONLINE = ON); Additionally, I would only rebuild indexes which require it. Hallengren website has an option to reorganize indexes say with 5% Fragmentation, and rebuild for 30% Fragmentation. A clustered index exists, along with 3 non-clustered indexes. Use the Reorganize Index task followed by the Update Statistics task; If you have the Enterprise Edition of SQL Server, the Maintenance Plan Wizard offers a Keep index online while reindexing option, which means that the index will continue to be available to users even while it is being rebuilt. > 30% ALTER INDEX REBUILD WITH (ONLINE = ON)*. A nonclustered columnstore index. We check the time for sample select query - it was 2s just after index creation. If you want to rebuild an index the syntax is below: ALTER INDEX. 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. When investigating we found that the index reorganise for the clustered index of FooDetail takes between 90 minutes and 120 minutes. There are a number of differences. Next the New Job window will open. There are a number of differences. index_id > 0 -- Indexes. And also, avg_fragmentation_in_percent value says percentage of logical fragmentation (This is. Suggest you investigate alternatives, such as [Ola Hallengren's SQL Server maintenance tools][1] - free to use. Firstly you should take into account the page_count of the index. But no help, the rebuild itself not working. The answer is: it depends. Without logic, the plan will. If you what you are saying is true, even reorganizing the. If you prefer table lock, REBIULD is. Particularly if you are in full recovery. This script has been tested and will work with SQL Server 2005, SQL Server 2008, SQL Server 2008R2, SQL Server 2012, SQL Server 2014, SQL Server 2016, SQL Server 2017 and SQL Server 2019. e. This to me would be a sign that constant rebuilds of that index actually aren't a good help. Larger indexes have more intermediate levels and pages. If not specified otherwise, the procedure uses the fill factor that is already set for each index. T-SQL Alter Index. Click the plus sign to expand the table on which you want to rebuild an index online. Shrink File. Product REBUILD GO Index Reorganize : This process physically reorganizes the leaf nodes of. If you truly want to REBUILD, and you want to do it for ALL indexes on a given table, then the command would be (straight from the official docs that npe pointed you at): For more instructions see the official docs. Reorgs defragment the leaf level of clustered and. DECLARE. How can INDEX rebuilds be going parallel when MAXDOP is set to 1? They shouldn't be. REORGANIZE seems to work as well as REBUILD all the time. 1. The query causing the block is in the format: ALTER INDEX [indexName] ON tableName REORGANIZE. ". [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. In SQL Server, when rebuilding an index which previously had statistics updated with PERSIST_SAMPLE_PERCENT, the persisted sample percent is reset back to default. 0. It is compatible with all versions of SQL Server 2005 , 2008 , 2012 , 2014 and 2016. Index should be reorganized when index fragmentation is between 10% to 40%. This method can help when Change_tracking is Auto. For more information about managing indexes, see Reorganize and Rebuild Indexes. Last weekend the index maintenance took more than 5 hours and the full backup was running at the same time. And if the reorganize is a deadlock. Applies to: SQL Server. In SQL Server Management Studio, in Object Explorer, expand the server. In this article. Object: SQLServer:Databases; Counter: Percent Log Used ; Instance: (your big database name) Alert if counter rises above: 80; Response: Execute job ('Reorganize Check') Create a job ('Reorganize Check')In this article. You can also change this threshold via parameters. We should reorganize indexed with. For example, you can use ApexSQL Defrag to review the index usage statistics and apply the suitable. But commit your whole transaction before reorganize. Sumanta Roy (5/26/2011) Select Name as IndexName, STATS_DATE ( object_id , index_id ) as IndexCreatedDate. For rows that contain LOB columns, the normal page will contain a reference to the LOB page. You can also set a threshold so that it only considers indexes over a certain size so you're not doing unnecessary rebuilds on tiny indexes. This blog entry I came across a while back will explain it much better than I can. When you reorganize an index, SQL Server sorts the index pages and releases the unused space within the index pages. Product REORGANIZE GO. So now once you have identified the high fragmentation level in your database, which could. Exclusive page locks are taken on individual pages only while those pages are being manipulated. Large objects (LOBs) are stored in different "pages". Therefore, you do not need to update statistics after performing ALTER INDEX REBUILD, DBCC DBREINDEX, DBCC INDEXDEFRAG, or ALTER INDEX REORGANIZE operations. the year and month columns. index rebuild/reorganize frequency. Anyway, since works on page level, it needs to use page locks. . Indexes play a vital role in the performance of SQL Server applications. A developer coming onto a project with out of date tools is a common cause of this. There needs to be an automated Index defragmentation job that will either reorganize or rebuild the indexes based on the fragmentation level for a specific table in a specific database. SQL Server 2005 Index Rebuild/Reorganize. If you're looking for whenif the index was ever rebuilt, the Ola sp does have the ability to log to a table and the previous DBA hopefully utilized this feature. The Page Fullness is 98. This will obviously alleviate both internal and external fragmentation but is a more heavy weight operation and by default causes the index to go offline, although it can be performed as an online operation, depending on your SQL. Some operations that took ~90s now take ~6mins. Bad internal fragmentation (having lots of free space on the pages) means the index is bigger than it needs to be. First, we will start the index reorganization in a session using the following T-SQL code. First of all you need to find the fragmentation percentage for the indexes in a database or table. GO. 3. Bulk amount records are deleted and updated frequently. SQL Server also supports nonclustered columnstore indexes. Jonathan’s right in that fragmentation changes the query plan. Problem. Online index rebuild higher fragmentation on intermediate level. Backup Up Database (Full)4. In the New Maintenance Plan dialog box, in the Name box, type a name for the plan and select OK. The index front is stable, no change. My problem is that the reorg is running for a very long time. In Object Explorer, Expand the database that contains the table on which you want to reorganize an index. Oct 4, 202335. インデックスの断片化の状態がわかったら、それによってインデックス (index) を再構成 (Reorganize)するか、または再構築 (Rebuild) するか決定します。. Reorganizing the indexes: ALTER INDEX ALL ON dbo. allocation_units. [MyHugeTable] ADD CONSTRAINT [MyHugeTable_pk] PRIMARY KEY. Index rebuilds (not index reorganise) always do a fullscan update of the statistics. Reorganize all index in SQL Server. you are reading your query result incorrect. You can still run the index reorg/rebuild as part of your maintenance scripts. This means that an index can be rebuilt without knowing the structure of a table or its. Hi, The widely used thresholds are: Reorganize if fragmentation is between 10-30%. 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. ixRebuild @fillfactor int = 100, @Force bit = 0, @Schema varchar (255) = NULL, @Table varchar. Rebuild/Reorganize working fine. Ideally , microsoft suggests that reorganize should be used for index fragmentation between 5 and 30 % and rebuild for > 30%May 5, 2010 at 8:00 am. 3) SQL Server locks acquired with SQL Server online index rebuilds. This tool provides index analysis to manage index defragmentation, including rebuild and reorganize fragmented indexes . Reorganizing an index uses minimal system resources. When you reorganize an index, SQL Server sorts the index pages and releases the unused space within the index pages. Expand the Tables folder. REORGANIZE, or to rebuild the index using ALTER INDEX. dm_db_index_physical_stats (NULL, NULL, NULL, NULL, NULL); GO. 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. dm_tran_database_transactions DMV:SQL: Procedure for rebuild and reorganize indexes like Microsoft says. One thing to ask! When I reorganize MSDB. Hi @Devendra Kumar Sahu , You can perform a reorg or rebuild an index based on its fragmentation values. Just go to the table, further expand the indexing folder and right after that you can right-click on it and select the option to rebuild all the indexes. But your index will also use more space. Select * from sys. Check indexes from the index grid and click desired defragment operation from the ribbon. The script uses the following parameters: @reportOnly (required) Values: - 0: The script will reorganize or rebuild the fragmented indexes. REORGANIZE, UPDATE STATISTICS and a simple SELECT statement. ALTER INDEX [PK_SalesOrderDetailEnlarged_SalesOrderID_SalesOrderDetailID] ON [Sales]. In SQL Server, the ALTER INDEX statement is used to modify an existing index. REORGANZE index - is for reducing fragmentation without index rebuild, so no drop and create. Reorganizing an index uses minimal system resources. Expand the Tables folder. This had a negligible impact. Reorganizing also compacts the index pages. 3. 11. 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. configurations setting for fill factor. However, a new database server backed with Intel PCIe SSDs is showing the opposite of what we expect. indexes. In this article. SQL Server 2005 Index Rebuild/Reorganize. Rebuildes only indexes on one of the tables. Its wide range of features allows users to create and manage custom policies, monitor index fragmentation on multiple servers as well as to create index fragmentation reports. No right from SQL Server 7. 3,895 9 51 77. There are two ways to set fillfactor in SQL Server: At the SQL Server instance level using a sys. Expand Management in the Object Explorer> Right click Maintenance Plans> Maintenance Wizard> Create Plan for Rebuilding Indexes. 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. That can be found using the STATS_DATE function. Er…. This task uses the ALTER INDEX. One of the most important return field with sys. Therefore you do not need to update statistics OR reorganize an index if it gets rebuilt. Index rebuilding process uses more CPU and it locks the database resources. Thanks for your. First, we will start the index reorganization in a session using the following T-SQL code. Yup. You can use Ola's Index maintenance solution or Michelle Ufford's - Index Defrag Script. Total fragmentation is 96% page fullness 66%, avg row size is 20,. By allowing an index to be rebuilt dynamically, indexes enforcing either PRIMARY KEY or UNIQUE constraints can be rebuilt without having to drop and re-create those constraints. I used the sp_who2 procedure to see which queries were waiting, and which other query they were blocked by. it will reorganise it. To rebuild or reorganize indexes manually, head over to the Fragmentation tab. I still see questions about SQL Server 2000/2005 pop up on Stack Exchange. The discussion of columnstore indexes thus far has focused on clustered columnstore indexes that target a primarily OLAP workload. Index Reorganize During Database Full Backup. We can however get it back to a compressed segment by issuing the following command we saw previously. I'd like to propose to use REORGANIZE index and so I need to tell the related real benefits. partition_number The number of an existing index partition to rebuild/reorganize. Statistics on indexes automatically get updated. Rename it to the Nightly Index Maintenance job. Sc (Comp Sci). ;WITH cte AS ( SELECT object_id, index_id, partition_number, rows, ROW_NUMBER () OVER (PARTITION BY object_id, index_id, partition_number. Expand the table on which we want to reorganize the indexes. For information about how to maintenance index, refer to MS document. Creating or dropping the table’s clustered index causes all its nonclustered indexes to be rebuilt. In the infrequent cases where you do need to reorganize or re-build index, consider these: Run index maintenance during off peak period. I want to reorganize or rebuild indexes. I'm currently using the approach described here: sys. . Rebuild or Reorganize SQL Index. You have two maintenance commands for indexes: Reorganize. Index maintenance in my opinion is not one of them. A page is a small section of a database, typically an 8kb chunk. Using above query, you could also query the progress of backup,restore,dbcc command and so on. But the index is updating itself properly. Right-click Maintenance Plan and select Execute. The entire index has to be read to rebuild it, so there's no reason to do a. Rebuilding an index can be either an online operation or an offl ine operation, depending on several factors. MS advises using Reorganize for 30% fragmentation or less. " But following the Russ's reply the REORGANIZE is a more time expensive operation the REBUILD one. Large object data is data with the image, text, ntext, varchar (max), nvarchar (max), varbinary (max), or xml data type. This procedure automatically chooses whether to rebuild or reorganize an index according to its fragmentation level, amongst other parameters, and update statistics. We can also run the task by running the corresponding job in SQL Server Agent. As data is added to the table, the free space fills because the fill factor isn't maintained. every 2-3 day if running maintenance once per day (night). You can apply a new fillfactor when you rebuild an index. In it, enter the Job name, owner, optionally Category. 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. There are two options to fix fragmentation. Now that you learned how to create an index in SQL Server, it is time to undo it (only if you need to)! Learn how to drop an index in the next tutorial. Compaction is based on the existing fill factor value. dm_db_index_physical_stats (NULL, NULL, NULL, NULL, NULL); GO. Designing the SQL Server Reorganize Index Task. To rebuild use: ALTER INDEX __NAME_OF_INDEX__ ON __NAME_OF_TABLE__ REBUILD. SQL Server Database Engine.