Are there any advantages or disadvantages to using " UPDATE STATISTICS (Index name) " as opposed to "ALTER INDEX (index. The. This job needs to be scheduled and ran on a weekly basis due to large data. ". Reorganizing an Index should be done when you have elevated amounts of white space within your index (i. The possibility to. Index maintenance usually starts 3 hours before the database full backup and ends before the full backup start. The detailed information can also be useful to determine whether your dedicated SQL pool is being impacted by a large number of small, fragmented tables, which can lead to delays in compilation. – Ed B. The log size shouldn't be unrestricted. It’s advisable to remove those often. This tip will explore two features to speed up SQL Server index and statistics maintenance. Usually, you should rebuild the index if it has a fragmentation greater than 30% and reorganize it if it has less than 30% fragmentation. Reorganizing an index is always executed online. Index Rebuild operation first drops and then recreates the index. Select Allow online DML processing, and then select True from the list. No – alter index rebuild or reorganize. SQL Server development version and Enterprise version has option ONLINE, which can be turned on when Index is rebuilt. Right-click the table on which you want to specify an index's fill factor and select Design. 5) Perform full database backup. The T-SQL script in this article can be run by SQL Server administrators to reindex and defragment WSUS databases. Select the Compact large object column data checkbox to specify that all pages that contain large object (LOB) data are also compacted. Stack Exchange network consists of 183 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn,. You should also include page_count value in your query. It should be: TRUNCATE; Insert ; ALTER INDEX REBUILD; It might stil be slow, but at least you get sharp 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. So stay tuned as we should have a follow up post soon on his findings and recommendations for. As data is added to the table, the free space fills because the fill factor isn't maintained. Reorganizing Indexes. In the Shrink database dialog, details about database size will be provided, and an option to choose if files will be reorganized. The. Use the ReorganizeIndex Task dialog to move index pages into a more efficient search order. It will have a parameter called @MaintenanceMode that can be set to either ‘INDEX’ or ‘CATALOG’ in order to choose the way we want to maintain our Full-Text indexes. . The documentation is also indicating that: Online index operations are not available in every SQL Server edition. IndexOptimize is supported on SQL Server 2008, SQL Server 2008 R2, SQL Server 2012, SQL Server 2014, SQL Server 2016, SQL Server 2017, SQL Server 2019, SQL Server 2022, Azure SQL Database, and. Rebuild and Reorganize Index using SQL Server Management Studio (SSMS) Find and expand the table in Object Explorer >> Open Indexes >> Right-click on the target index >> Rebuild or Reorganize. The procedure uses SQL Server ALTER INDEX command, with the REORGANIZE option NULL. 2. 1. Problem. Note The commented fnMs_GenerateIndexMaintenanceScript function is a table-valued function (TVF) that can. #1637994. But if you want your script to work you would have to go to index right click select properties and enable row level locking for reorganize to work this is the only optionALTER INDEX REBUILD on an truncated and therefore empty table serves no purpose, so you need to amend your Plan A. Your new index will have the size non less than the size of disabled index. 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. To estimate the duration of the REORGANIZE DATABASE you can use the SQL statement from the "Step 1" section in the attached "REORGANIZE estimator" . Expand the Indexes folder. To create a new job, right click on SQL Server Agent, select New and then Job. This statement essentially merges all the fragments. 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. Indexes with small number of pages (<1000) will usually. This means long-term object-level locks are not held and queries or updates to the underlying table can continue during the ALTER INDEX. Starting with SQL Server 2016 (13. You can use WAIT_AT_LOW_PRIORITY time keyword along with online rebuild process and it will automatically abort the rebuilding process for. DROP INDEX when you are dropping a nonclustered index. OBJECT_ID) AS TableName, ind. SSC Guru. Beginning with SQL Server 2016 (13. ALTER INDEX ALL ON [dbo]. Please post more details like how are you running the reorganize via TSQL or SSMS or SSIS. Use Ola Hallengren ‘s IndexOptimize but don’t use his defaults. Bad internal fragmentation (having lots of free space on the pages) means the index is bigger than it needs to be. The link points to SQL Server 2014 docs, but the syntax should work on 2005 and 2008 as well. -- Rebuild or reorganize indexes based on their fragmentation levels DECLARE @work_to_do TABLE ( objectid int , indexid int , pagedensity float , fragmentation float , numrows int ) DECLARE @objectid. Unlike DBCC INDEXDEFRAG, or ALTER INDEX with the REORGANIZE option, DBCC DBREINDEX is an offline operation. The below query rebuild or Reorganize only the necessary Indexes instead of all index rebuild, As a general recommendation the index need to rebuild that's get fragment percentage more. table-name must be used. Coming to update stats, I would prefer to do it with Full Scan depending on the size of the databases. Reorganize 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. 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. There’s no hard and fast rule here but I generally say where. You can still run the index reorg/rebuild as part of your maintenance scripts. One time job to reorganize the indexes One time job to rebuild the indexes Scheduling ongoing reorganization job SQL databases, similar to the file system on a disk, will fragment over time. 3. For more information, see sys. Last weekend the index maintenance took more than 5 hours and the full backup was running at the same time. we are using Ola index job to rebuild and reorganize the index. You cannot say, “If the index is 45% or more fragmented, rebuild it– otherwise do nothing. Mar 8, 2021, 2:47 PM. The “Reorganize” index option is more facilitated than the “Rebuilt” index. The easiest way to reorganize an index is to simply drop and recreate the index using the DROP and CREATE INDEX commands. instead, you do it separately in order to do it more or less batch mode. REBUILD will not just rebuild index, but also force update of corresponding statistics. Script to reorganize all indexes on all tables in user databases. dm_db_index_physical_stats DMV). REORGANIZE operation. This is quite a big problem in SQL Server, as your indexes will fragment over time. create table dbo. Note: You can select “Reorganize All” to reorganize all the indexes in the table. 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 the. Rename. This is a powerful feature that you can use to your advantage. 1. [Subscribers] REBUILD GO Rebuilding all indexes in a table USE [SQLMaestros] GO ALTER INDEX ALL ON [hol]. ” Select the vault database(s). The Reorganize Index task encapsulates the Transact-SQL ALTER INDEX statement. The default value for this parameter will be ‘CATALOG’. 2) - this is where it might seem you "solved" the problem with index rebuild, but index rebuild could rather be consequence for better, more tailored execution plan for the problematic query/queries. Thank you all for your suggestions. Index reorg only shuffles around leaf-level pages of your index and will try to compact those - but it doesn't completely rebuild the index structure. 2. Navigate to Tasks / Shrink / Database. For us to perform this test we will first create a simple test table with a few columns and load a fair amount of data into it. Click OK. Select “reorganize index” and “rebuild index. -- Compute fragmentation information for all full-text indexes on the database SELECT c. Use the ALTER TABLE command to rebuild the Heap. I'm just using the reorg index task that is in the maintenance plan designer GUI. Checking the reorganize files box and as a result, shrinking the database file(s) will only impact the database negatively. This opens the Full-text. Hi @Devendra Kumar Sahu , You can perform a reorg or rebuild an index based on its fragmentation values. For more information, see ALTER INDEX (Transact-SQL). If the index creation is interrupted, the index isn't re-created. Yup, that is one perfectly valid way. x) では、REORGANIZE は CLOSED 行グループを列ストアに圧縮するためにのみ使用されます。 最適化操作を実行し、すべてのデルタ行グループを列ストアに強制的に移動する唯一の方法は、インデックスを再構築することです。Yes, just the table and any query that tries to access that table. Index rebuilds (not index reorganise) always do a fullscan update of the statistics. Jan 11 at 14:24. I have pasted the create syntax below for. The script will do a reorg if fragmentation goes over 5 %. Yes. USE AdventureWorks; GO ALTER INDEX ALL ON Production. SQL Server does not maintain when an Index was last rebuild, instead it keeps information when stats were last updated. If the tables get more than 15% fragmented, performance is very negatively affected. Reorg the Indexes if the Fragmentation level is > 5% and <30%. Here a Microsoft Engineer states that in most scenarios is not needed, but in the same forum thread I shared my experience step-by-step with images on how you can schedule a database maintenance on Azure SQL. SQL. x) and in Azure SQL Database, we recommend using ALTER INDEX REORGANIZE instead of ALTER INDEX REBUILD for. The Query Optimizer. SELECT a. Applies to: SQL Server 2016 (13. Here we would like to introduce you to the three most common ways of how to Reorganize and Rebuild Indexes. August 1, 2013 at 3:52 pm. On the right panel, right-click SQL Server Agent. Well, I’d wager some of it is backwards compatibility. This is how records are made unique in the context of a clustered index. SQL Agent doesn't connect as SA, and the rebuild index task generates a command that looks like ALTER INDEX [ci_FactInternetSales] ON [dbo]. It is causing other queries to wait, even simple ones like: SELECT * FROM tableName WHERE indexedColumn = @value. The sys. To correct index fragmentation, you can reorganize an index or rebuild an. Index automation Job script. In the Rebuild Indexes dialog box, verify that the correct index is in the Indexes to be rebuilt grid and click OK. Script and result below: ALTER INDEX ALL ON Fragmented REORGANIZE GO1 Answer. DROP INDEX when you are dropping a clustered index offline without specifying the MOVE TO clause and nonclustered indexes do not exist. Index Reorganize During Database Full Backup. I'd just add that adding the line PRINT @sql after the SET @sql =. And if the reorganize is a deadlock. REORGANIZE, UPDATE STATISTICS and a simple SELECT statement. The maintenance plan. If you look into the sys. 2. Coming to the point out of all there is a database with 51Gb, yes we have seen some big tables majorly occupying space in db. On the Table Designer menu, click Indexes/Keys. This can be checked using:. When complete, select Next. For that plan we will break those tables into seven groups and everyday run script against. So now once you have identified the high fragmentation level in your database, which could. First, we will start the index reorganization in a session using the following T-SQL code. - 1: The script will just output the index reorganization or rebuild commands without running them. From a transaction log standpoint, reorganize index generates a lot more small transactions and can lead to substantially more resource-consumption than a rebuild. I have maintenance job on SQL Server 2012 Enterprise Edition that runs daily to check index fragmentation and reorganize or rebuild the index based on the percentage of fragmentation. Solution. Right-click the table on which you want to specify an index's fill factor and select Design. Also, some tables/indexes will hardly be fragmented. @OnlyModifiedStatistics = 'Y'. Er…. Reorganizing an index uses minimal system resources and is an online operation. Mohamad Mahmoud Darwish. Mine might be such a scenario. If you don’t spend much time with SQL Server and you. This index design guide contains information on index architecture, and best practices to help you design effective indexes to meet the needs of. Quote from "Microsoft SQL Server 2000 Index Defragmentation Best Practices": "Fragmentation affects disk I/O. . ALTER INDEX . Select “reorganize index” and “rebuild index. SQL Server - Reorganize and Rebuild Indexes :. SET @BackupDirectory = N'C:Backup' -- <== Change this to your backup directory. On large tables, that may be a while and not frequent enough. Depending on the type of index and the Database Engine version, a rebuild operation can be done offline or online. Custom SQL Server Index. Many people (and even solutions) in the SQL Server community say you need to look at Index Fragmentation levels (e. Same with updating the stats first and then rebuilding. The simple reason which comes to my mind is rebuild should be done only when index is fragmented. However, sometimes you don't want this, say for read only tables or huge tables. Using above query, you could also query the progress of backup,restore,dbcc command and so on. If a nonclustered index is being rebuilt, a shared lock is held on the table in question during the operation. Hallengren website has an option to reorganize indexes say with 5% Fragmentation, and rebuild for 30% Fragmentation. Rebuilds are generally faster. No right from SQL Server 7. 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 the Tables node, and the table with fragmented index Expand the specific table Expand the Indexes node. Article. Rebuild/Reorganize indexes weekly – As it was mentioned previously, this will depend on the environment, situation, database size, etc. Let’s move on to creating the Reorganize Index task via the Maintenance Plans and then Update Statistics task. It has an IF condition for the Reorganize but i don't need it, i need to modify the code so it queries indexes of a certain database and schema and rebuilds only if the fragmentation is bigger than 5%. You can reorganize all indexes that are defined on a table by rebuilding the index data into unfragmented, physically contiguous pages. Index should be reorganized when index fragmentation is between 10% to 40%. Let’s discuss both of these methods with example:- 1)Rebuild Index Rebuilding indexes completely drops and re-creates the database indexes. Additionally, after reorganizing indexes it is reasonable to update the statistics as this operation does not update the statistics like the index rebuild operation. Too many full-text index fragments in the full-text index, can lead to substantial degradation in query performance. The column Rebuild_Index_SQL in the vColumnstoreDensity view contains an ALTER INDEX REBUILD statement that can be used to rebuild your indexes. –In this article. Before using it, note that “Rebuild” and “Reorganize” are two different operations, even though they both reduce fragmentation in the index. This script contributed by the Microsoft WSUS team. I was going to take a look at Ola Hallengren's scripts and some other stuff but wanted to see if there was possibly a simple explanation for this. If an index contains less than 100 pages, I will perform no maintenance. 3. dm_db_index_physical_stats function is the preferred tool to use to check index fragmentation on any CA or DA database table. You can go the easy way and use SQL Server Maintenance Plans, but unfortunately they’re very simplistic: you can only say “rebuild all the indexes” or “reorganize all the indexes”. dm_db_index_physical_stats) is <1000 you don't need to rebuild or reorganize such. Click the plus sign to expand the Tables folder. Large object data is data with the image, text, ntext, varchar (max), nvarchar (max), varbinary (max), or xml data type. Designing the SQL Server Reorganize Index Task The script below allows you to rebuild indexes for all databases and all tables within a database. This method can help when. . Improve this answer. They are also configured from SSMS. December 3, 2010 at 12:21 pm. Fair enough, but let’s make some adjustments. Q23: What is the difference between index Rebuild and Index Reorganize operations? Index fragmentation can be resolved by rebuilding and reorganizing SQL Server indexes regularly. 3,895 9 51 77. index_resumable_operations; We can see that we have paused the online. Once you select that option it will bring up the following screen. Use the online version of the Rebuild Index task ; 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. Optimize SQL Server non-clustered indexes and queries by considering index fields, compound indexes and SQL Server statistics. Disk space is an important consideration when you create, rebuild, or drop indexes. dm_db_index_physical_stats DMV to identify the fragmentation. There is all reason to only rebuild index that are fragmented, and a good maintenance. This requires the DBA to create such a maintenance job. In order to resolve the index reorganization issue, we will enable the row and page level locking by altering the index as shown below: USE MSSQLTipsDemo GO ALTER INDEX [PK_Product] ON [Production]. I'm currently using the approach described here: sys. This to me would be a sign that constant rebuilds of that index actually aren't a good help. Please refer to SQL Server Maintenance Plan Reorganize Index and Update Statistics Tasks to get more information about how to design the maintenance plan. Find and remove unused indexes – everything that is unused doesn’t do anything good. This operation checks the index, and if there is a need, it fixes the physical ordering of pages. e. x), you can create nonclustered B-tree or rowstore indexes as secondary indexes on a clustered columnstore index. Share. As well as maintenance plans, SQL Server Agent jobs are also a handy way to automate and schedule index defragmentation jobs in SQL Server. It can be. How Fragmentation Hurts SQL Server Performance. Ignore anything with less than 15-20 pages. 2. Cancelling / Stopping ALTER INDEX REORGANIZE. deteriorating. Create a job to run your index reorganize ('Reorganize'). MS advises using Reorganize for 30%. column_name DISABLE; ALTER INDEX. 11. The log size shouldn't be unrestricted. It can be done with online option in enterprise edition. Test all three and see which is fastest and which gives the least index fragmentation. Note that the time it takes to complete the operations depends on the size of the database and how fragmented the indexes. Lock durations are short and will cause minimal blocking of queries. The difference is easily visible. The query result is matched against the full-text index. fulltext_index_fragments GROUP BY OBJECT_NAME([table_id]) HAVING COUNT([fragment_id]) >=30 Also,. I have this piece of code which helps me rebuild indexes if they are fragmented to a certain percentage. 10/28/2022. Click the plus sign to expand the table on which you want to rebuild an index online. In Object Explorer, connect to an instance of Database Engine. 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. CREATE INDEX IX_DisplayName ON dbo. Reorganize a fragmented SQL Server index and optimize performance. REORGANIZE is done within the confines of what is currently in the indexes insofar as pages goes. Monitor and track your index usage, or lack of index usage. This procedure automatically chooses whether to rebuild or reorganize an index according to its fragmentation level, amongst other parameters, and update statistics. Near the top of the script, around line 32, you will see a line of Transact-SQL code that looks like this: 1. EventID, MAX (b. When I ran the query again, this was the result: Fragmentation over 70% for 12 indexes, over 30% for 15 indexes. The purpose is to reduce the size of database and increase the db performance. Under Select a page, select Options. The rebuild command will defragment all those intermediate pages. Proceed to the Steps tab: Clicking on New. FullTextIndexOptimize. Note: You can select “Reorganize All” to reorganize all the indexes in the table 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. All nonclustered indexes will include the clustered key by default, in order to perform lookups when necessary. avg_page_space_used_in_percent column in the sys. The REINDEX command requires an exclusive table lock, which means that it'll stall any accesses to the table until the command has completed. Setup a new job to run update stats via IndexOptimize daily. To reduce the number of fragments, reorganize the full-text catalog by using the REORGANIZE option of the ALTER FULLTEXT CATALOGTransact-SQL statement. Select the plus sign to expand the Management folder. The execute sql task should contain the index rebuild code along with stats rebuild . As a generally accepted good practice reorganize only when ragmentation of index is between 5 to 30 % for anything more than that rebuild the index. Under Select a page, select Options. Reorganize Pages with the Default Amount of Free Space—Drop the indexes on the tables in the database and re-create them with the fill factor that was specified when the indexes were created. In SQL Server, you "might" run into issues with "updating primary key". To achieve availability similar to the reorganize. line is helpful to give the user some indication of what indexes it is rebuilding and how far it has progressed. To create a new maintenance plan, right click on Maintenance Plan and select New Maintenance Plan and the following window will open. According to Microsoft’s best practices, it is recommended to reorganize indexes if their fragmentation level is >15% and <=30% (if >30%, a rebuild should be done). g. In this article. You can reorganize all indexes that are defined on a table by rebuilding the index data into unfragmented, physically contiguous pages. index_resumable_operations to monitor and check the current execution status for resumable index rebuilds. My problem is that the reorg is running for a very long time. This is a powerful feature that you can use to your advantage. ”. Under the very wrong assumption that it wouldn't take long, I've ran ALTER INDEX ALL ON OUR_BIGGEST_TABLE REORGANIZE;. 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. In an MS-SQL Server. Ignore: Fragmentation levels of 10 percent or less should not pose a performance problem, so you don’t need to do anything. Obtain the script from the source DB (SMO or MSSQLTips ), change the FILLFACTOR and PAD_INDEX then execute against the new DB. Follow. In it, enter the Job name, owner, optionally Category. 1. Maintain Index and Column StatisticsAs people have mentioned here, your indexes do not automatically rebuild. is_ms_shipped = 0 --Excludes any objects created as a part of SQL Server installation AND ss. The following index operations require no additional disk space: ALTER INDEX REORGANIZE; however, log space is required. I am a new DBA to a SQL 2005 production Report server. I have seen indexes do this when there are too few pages to logically order them, and one insert or update could literally take it from 0 to 99% fragmented or rebuilding does not have any effect. Reorganizing an index only deals with the fragmentation that exists, and the more fragmentation there is, the longer a reorganize will take. It's better to do reorg on Nightly. x) implemented major performance improvements for these index operations. If the clustered index is being rebuilt, an exclusive table lock is held. Artemakis Artemiou. Expand the Indexes folder. Reorganizing should be used at lower (<30%) fragmentations but only rebuilding (which is heavier to the database) cuts the fragmentation down to 0%. When fragmentation is above 30%, rebuild the index. Let’s first drop the Clustered Columnstore index that we created above using the below command. To rebuild an index means to create anew one, then drop the old one. Recall the paper example from above: a rebuild would be like reprinting the document in the correct order and trashing the old ones. The syntax for rebuilding indexes is very simple, we just add the "WITH ONLINE=ON" clause to the ALTER INDEX command. Note that the time it takes to complete the operations depends on the size of the database and how fragmented the indexes. The query causing the block is in the format: ALTER INDEX [indexName] ON tableName REORGANIZE. When using columnstore indexes, the delta store may end up with multiple small row groups after inserting, updating, and. REORGANZE index - is for reducing fragmentation without index rebuild, so no drop and create. REORG INDEXES/INDEXES command reorganizes indexes. To work around this, try the following methods: Method 1 ( recommended ): Limit the number of full-text indexes in the same catalog. It drops index entirely and creates it from scratch. Right-click the index that you want to rebuild online and select Properties. If you what you are saying is true, even reorganizing the indexes that have never been, may cause a larger impact on the server as well. On the Define Reorganize Index Task page, select the server or servers where you'll be moving index pages into a more efficient search. record_count > 0 AND o. As with a B-tree index, the rebuild will create a brand new columnstore index from the underlying data. Resolution: Reorganize and rebuild indexes. For example, we have a set of tables that support an application. Mohamad Mahmoud Darwish. ALTER INDEX __NAME_OF_INDEX__ ON __NAME_OF_TABLE__ REBUILD. There's a general consensus that you should reorganize ("defragment") your indices as soon as index fragmentation reaches more than 5 (sometimes 10%), and you should. A spatial index can be created using the following syntax: CREATE TABLE MySpatialTable (id int primary key, geometry_col. Particularly if you are in full recovery. In the New Maintenance Plan dialog box, in the Name box, type a name for the plan and select OK. Then, drag and drop Rebuild Index Task into the maintenance plan designer. Then, choose New, Job to create a SQL agent job. Use Ola Hallengren ‘s IndexOptimize but don’t use his defaults. e. The reason given is that the indexes and statistics are partly based on available CPU and memory resources. In the SQL Management Studio Console, expand Management > Right Click Maintenance Plan and select Maintenance Plan Wizard. Index Rebuild operation first drops and then recreates the index. 3) Reorganize indexes. ALTER INDEX [PK_SalesOrderDetailEnlarged_SalesOrderID_SalesOrderDetailID] ON [Sales]. Click OK. If an index is between 10% and 30% fragmented, I will REORGANIZE the index and UPDATE the statistics. 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. One or more of the databases used by SharePoint Server have fragmented indexes. – Ed B. 1. Technically, rebuilding consists of copying, renaming, and dropping the old one, internally. Rebuild/Reorganize working fine. I don't think Windows SQL Server Maintenance has this option yet. In the Object Explorer panel locate the database in question, and use right mouse click to bring up the context menu. Bulk amount records are deleted and updated frequently. dm_os_wait_stats DMV, you will find 21 new wait types related to the SQL Server 2014 Lock Priorities. INDEX_REORGANIZE Reorganizes the index. ". 2 Answers. I will let you know if it worked. #1162454. dm_db_index_physical_stats fincation have index_id which display heap and index informatiob. For a table with an ordered clustered columnstore index, ALTER. before i answer your question is the database on simple recovery. 1. The performance benefit may not be noticeable for indexes that are used primarily for seek operations. index_id > 0 -. Regards. Specify the name of the maintenance plan. Therefore, you do not need to update statistics after performing ALTER INDEX REBUILD, DBCC DBREINDEX, DBCC INDEXDEFRAG, or ALTER INDEX REORGANIZE operations. There are two options that can be used: Reorganize pages with the original amount of free space - this will use whatever was specified when the table was createdThe WSUSDBMaintenance script is a T-SQL script that can be run by SQL Server administrators to re-index and defragment WSUS databases. -- Compute fragmentation information for all full-text indexes on the database SELECT c. In addition, reorganization uses minimal resources and is automatically. You don’t get bonused based on the amount of free space on your drives. index_type_desc AS IndexType, indexstats. The following options are available on this page. We would like to show you a description here but the site won’t allow us. We don't want to run index optimization on multiple databases at the same time The code uses stored procedure dbo. 4) Move database back to full recovery mode. However I want advice whether it is required to setup the SQL Server Index and Statistics Maintenance scripts, because my SQL server is running on a SAN infrastructure and I have read that there is no benefit to setting fill-factor to less than 100%, or to perform index. Veritas now uses the heavily debated command DBCC SHOWCONTIG WITH ALL_INDEXES,or DBCC SHOWCONTIG WITH ALL_INDEXES,tableresults (Table results will give you a table format to read) to.