EventID, MAX (b. For example, the heaviest index (clustered index and also pk) is running reorg for around 4 hours 30 min even do the index was. Let’s discuss both of these methods with example:- 1)Rebuild Index Rebuilding indexes completely drops and re-creates the database indexes. . You can use sys. As visible in the above image, REBUILD and REORGANIZE are the two available choices to play out the trim operation over the page. Enable Row Level and Page Level Locks. Too many full-text index fragments in the full-text index, can lead to substantial degradation in query performance. One of the major reasons I wrote DBCC INDEXDEFRAG for SQL Server 2000 was as an online alternative to DBCC DBREINDEX. This has been found by using the schema change report in sql server 2005 and fixed by changing the job time of the Reorganize index. The database is using the Simple Recovery model. fulltext_index_fragments GROUP BY OBJECT_NAME([table_id]) HAVING COUNT([fragment_id]) >=30 Also,. before i answer your question is the database on simple recovery. We leave default values here as well. - 1: The script will just output the index reorganization or rebuild commands without running them. 3) Reorganize indexes. In SSMS, expand the Kids1 table and right click on Indexes, select New Index and click on Non-Clustered Columnstore Index as shown below. On the Table Designer menu, click Indexes/Keys. 例えば、10 % 以上 30 % 未満であれば再構成 (Reorganize)、 30% 以上であれば再構築 (Rebuild) するとすれば、. The job is scheduled to run daily at 5 am and fails once or twice per week. As of this writing, our super smart SQL Architect and Performance Expert (Jeff Schwartz) is working on some testing to see if there is any measurable overhead to all the misleading out-of-space messages generated during index REORGANIZE maintenance. SQL Server - Reorganize and Rebuild Indexes :. This opens the Toolbox and the maintenance_plan_name [Design] surface with the Subplan_1 subplan. We recently switched to Ola Hallengren's maintenance script and automated the deployment of MaintenanceSolution. Don’t shrink your database files just to free up drive space. Unlike DBCC INDEXDEFRAG, or ALTER INDEX with the REORGANIZE option, DBCC DBREINDEX is an offline operation. I have pasted the create syntax below for. This caused the system to reorganize or rebuild some indexes even. The Reorganize Index task also includes an option to compact large object data. We are planning to run index rebuild/reorganize on a regular basis in our application. Article. I don't think Windows SQL Server Maintenance has this option yet. From a transaction log standpoint, reorganize index generates a lot more small transactions and can lead to substantially more resource-consumption than a rebuild. In my last tip, Index Fragmentation Report in SQL Server 2005 & 2008, I discussed what fragmentation is, its different types, its performance impact and what are different methods available in SQL Server 2005 and 2008 to identify fragmentation levels. Regards. Depending on database and indexes size it will grow. If you rebuild the index the stats are updated anyway, so doing it again is just wasteful. 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. SQL Server 2016 (13. 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. 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%. deteriorating. Click the plus sign to expand the table on which you want to rebuild an index online. The Reorganize Index task encapsulates the Transact-SQL ALTER INDEX statement. This topic provides. This means that for a lightly fragmented index (e. Using SQL Server Managed Lock Priority for Online Index Rebuilds. do nothing; reorganize an index; rebuild an index; Don't reinvent the wheel - just go see and use the script!Effective database performance tuning often relies on having precise database insights to determine actual root causes. #1258597. That's why as a rule of thumb, for fragmentation greater than about 30%. The fully qualified name or alias in the form: schema. Syntax ALTER INDEX index_name ON table_name. In SQL Server, you "might" run into issues with "updating primary key". Compaction is based on the existing fill. If you search for index rebuilding, you will find many complex scripts on the web, but this can also be done. Apply SQL Server index key column best practices. Your new index will have the size non less than the size of disabled index. Is this possible to do? In earlier versions of Microsoft SQL Server it could cause system slowdown to reorganize or rebuild a large index. Reorganize a fragmented SQL Server index and optimize performance. Dec 19, 2021, 9:55 PM. Best regards,. 4. Regular index maintenance and statistics updates are crucial, that much is certain. Rebuild if > 30%. [Product] SET ( ALLOW_PAGE_LOCKS = ON ) ALTER INDEX [PK_Product] ON [Production]. Rebuild if > 30%. Click the plus sign to expand the Tables folder. 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. It drops index entirely and creates it from scratch. Unlike DBCC INDEXDEFRAG, or ALTER INDEX with the REORGANIZE option, DBCC DBREINDEX is an offline operation. SELECT total_execution_time, percent_complete, name,state_desc,last_pause_time,page_count FROM sys. 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. The execute sql task should contain the index rebuild code along with stats rebuild . Applies to: SQL Server 2016 (13. Then you can do an alter index with the rebuild clause whenever your threshold is reached. Our Production instance is running SQL Server 2014. However, my SQL Server license is Standard and I can't rebuild indexes online. 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. In this book "Professional SQL Server 2012 Internals and Troubleshooting" I've read this passage: "If you see indexes that have more than 10% fragmentation, you need to decide whether to reorganize them or simply rebuild them. Starting with SQL Server 2016 (13. To add to this, you need to learn your system and how it's used. we have 5 databases in our instance, in that 2 databases are online and remaining are in offline. Reorganize and Rebuild Indexes; SQL Server 2005 Index Best Practices; Fixing Index Fragmentation in SQL Server 2005 and SQL Server 2008; Sample Table for SQL Server Index Performance Testing. Otherwise you're holding an exclusive lock on the table/partition before you start the reorganize. Quick explanation: An online Rebuild, rebuilds the indexes on the tempDB making it available to the queries while it is being rebuilt. If an index is between 10% and 30% fragmented, I will REORGANIZE the index and UPDATE the statistics. Expand the Indexes folder. To create SQL database maintenance plan, launch SQL Server Management Studio > expand the database instance > Management > right-click on the maintenance plan > New Maintenance Plan. The following index operations require no additional disk space: ALTER INDEX REORGANIZE; however, log space is required. It’s advisable to remove those often. Reorganizing an Index should be done when you have elevated amounts of white space within your index (i. Add a comment. 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. It's a great piece of work - it allows you to define fragmentation levels for which you. For more information, see Data Types (Transact-SQL). Depending on the type of index and the Database Engine version, a rebuild operation can be done offline or online. Instead of our phone book having 1,000 pages that are 100% full, we might have 1100 pages that are only 90% full. Many people (and even solutions) in the SQL Server community say you need to look at Index Fragmentation levels (e. The default value for this parameter will be ‘CATALOG’. 3,895 9 51 77. Rebuild/Reorganize working fine. USE AdventureWorks2022; GO -- The following example updates the statistics for all indexes on the. I know the sql to perform this action on all indexes in a table is. I suggest 50% for REORGANIZE, 80% or even 90% for REBUILD. Reorganizing an index only deals with the fragmentation that exists, and the more fragmentation there is, the longer a reorganize will take. HeapTest ( Id INT not NULL Default (1), Col1 char (5000) Not null Default ('Heaps Are Cool') ) SET NOCOUNT ON Insert into dbo. 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. Server Configuration: MS SQL Server 2008 Enterprise Windows Server. is_ms_shipped = 0 --Excludes any objects created as a part of SQL Server installation AND ss. Depending on database and indexes size it will grow. 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. When an index becomes skewed, parts of an index are accessed more frequently than others. Rebuild drops. 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. These are two different modes to remove index fragmentation. Under the very wrong assumption that it wouldn't take long, I've ran ALTER INDEX ALL ON OUR_BIGGEST_TABLE REORGANIZE;. Note that the time it takes to complete the operations depends on the size of the database and how fragmented the indexes. ) Index Size is greater than 5 MB's. the. When I run a maintenance plan to reorganize and rebuild tables indexes, it fails. The first and most popular method is to rebuild indexes. Also, up to SQL Server 2008 R2, you could not perform online rebuild on Large Object (LOB) data: varchar(max), nvarchar(max), varbinary(max), or XML. If you are using Windows Internal Database, you will need to use the sqlcmd utility, which can be. I figured, the reason was because of the page_count, which was lower than 1000 for each of the indexes that were still very fragmented. Use the Rebuild Index Task dialog to re-create the indexes on the tables in the database with a new fill factor. 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. A probable cause is that the changed (presumably reduced) size of the structures after rebuilding means the optimizer is choosing a different plan. @OnlyModifiedStatistics = 'Y'. This means loading the table and building all nonclustered indexes before moving on to the next one. Navigate to Tasks / Shrink / Database. Select the plus sign to expand the Management folder. Rebuilding a clustered columnstore index is an offline operation until SQL Server 2019 when the ability to rebuild online was introduced. To reorganize index SQL Server, right-click it & choose Reorganize. For instance, in the Maintenance Plans of SQL Server 2017, it is possible to rebuild only those indexes where fragmentation level is higher than a specific percentage and has more pages than specified in "Page Count". 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. You have to do some research and tailoring of how and when to do it based on your environment, though. e. Rebuilding an index means that a whole new set of pages is allocated for it. To work around this, try the following methods: Method 1 ( recommended ): Limit the number of full-text indexes in the same catalog. failed with the following error: "The index "SpatialIndex-20180705-165942" on table "extended_index_113435478_384000" cannot be reorganized because page level locking is disabled. In this article, we will go through these new. Ignore anything with less than 15-20 pages. 1. Use the ReorganizeIndex Task dialog to move index pages into a more efficient search order. The Reorganize Index task also includes an option to compact large object data. . Mohamad Mahmoud Darwish. If a nonclustered index is being rebuilt, a shared lock is held on the table in question during the operation. Reorganizing an index uses minimal system resources and is an online operation. Reorganizing an index uses minimal system resources. However, you can create a staging table insert all rows into that, drop original table and rename staging table to original. We don't want to run index optimization on multiple databases at the same time The code uses stored procedure dbo. #1637994. The first rebuilds a single index on a table and the second rebuilds all the indexes on the table. @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. IndexOptimize provided by Ola Hallengren. e. It is causing other queries to wait, even simple ones like: SELECT * FROM tableName WHERE indexedColumn = @value. An index reorganize holds an intent-exclusive table lock throughout the operation, which will only block shared, exclusive, and schema-modification table locks. Usually, you should rebuild the index if it has a fragmentation greater than 30% and reorganize it if it has less than 30% fragmentation. We check the time for sample select query - it was 2s just after index creation. The script uses the following parameters: @reportOnly (required) Values: - 0: The script will reorganize or rebuild the fragmented indexes. This means that for a lightly fragmented index (e. - the index depth is more then 4 levels. alter index all on table_name reorganize; But I only want to rebuild or reorganize if fragmentation percentage on each index is between a certain range. SQL Server does not maintain when an Index was last rebuild, instead it keeps information when stats were last updated. To reorganize index SQL Server, right-click it & choose Reorganize. And if it is a clustered index, the entire table is copied. The log size shouldn't be unrestricted. The documentation for alter index, for example, shows that it accepts an index_name, not an expression that might evaluate to an index name. However, each time I check (even immediately after recreating the indexes) the avg_fragmentation_in_percent shows 100%. This requires the DBA to create such a maintenance job. Jan 11 at 14:24. table-name must be used. 7. Total fragmentation is 96% page fullness 66%, avg row size is 20,. -- 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. Reorganizing an index only deals with the fragmentation that exists, and the more fragmentation there is, the longer a reorganize will take. Here are a couple of examples. These pages can get empty space on them and become out of order over time as well. The database is using the Simple Recovery model. In the SQL Management Studio Console, expand Management > Right Click Maintenance Plan and select Maintenance Plan Wizard. index rebuild/reorganize frequency. Step 1. Next the New Job window will open. We are aware that we. 1. Note that the time it takes to complete the operations depends on the size of the database and how fragmented the indexes. That can be found using the STATS_DATE function. Specify the. The fill factor determines the amount of empty space on each page in the index, to accommodate future expansion. As part of query execution, the Full-Text Engine might receive input from the thesaurus and stoplist. This is a powerful feature that you can use to your advantage. This issue can be solved by reorganizing or rebuilding the index. 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. SQL Server 2008 provided a special type of column called a spatial column, which is a table column that contains data of a spatial data type, such as geometry or geography. This statement essentially merges all the fragments. 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. A spatial index can be created using the following syntax: CREATE TABLE MySpatialTable (id int primary key, geometry_col. Index automation Job script. Large object data is data with the image, text, ntext, varchar (max), nvarchar (max), varbinary (max), or xml data type. You can do maintenance in phases, where each maintenance phase covers a subset of. 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. In Object Explorer, click the plus sign to expand the database that contains the table on which you want to specify an index's fill factor. Your disk drive space is for files, not for ornamentation. This script detects indexes for rebuilding using these rules: Rebuild the index when these conditions are true: - deleted entries represent 20% or more of the current entries. Click OK. Since you issued a REBUILD and not a REORG, cancelling the query will result in a rollback which will take even more time. 2. The syntax for rebuilding indexes is very simple, we just add the "WITH ONLINE=ON" clause to the ALTER INDEX command. Applies to: SQL Server Azure SQL Database Azure SQL Managed Instance Azure Synapse Analytics Analytics Platform System (PDW) Convert a rowstore table to a clustered columnstore index, or create a nonclustered columnstore index. Select “reorganize index” and “rebuild index. 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. This job needs to be scheduled and ran on a weekly basis due to large data. Rebuilding an index means that a whole new set of pages is allocated for it. The following index operations require no additional disk space: ALTER INDEX REORGANIZE; however, log space is required. Thank you all for your suggestions. Reorganize Index Task Forum – Learn more on SQLServerCentral. Copy and paste the following example into the query window and click Execute. Bulk amount records are deleted and updated frequently. And also seen fragmentation for most of the tables in it hence initially created a reorganize index maintenance plan and executed but it is being run for the last two days. Script and result below: ALTER INDEX ALL ON Fragmented REORGANIZE GO1 Answer. Select Maximum degree of parallelism, and then enter some value between 1 and 64. " failed with the following error: "Transaction (Process ID 94) was deadlocked on lock resources with another process and has. These pages can get empty space on them and become out of order over time as well. 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. index_id > 0 -- Indexes. 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. Reorganize the data on the data and index pages by rebuilding indexes with a new fill factor. You can reorganize all indexes that are defined on a table by rebuilding the index data into unfragmented, physically contiguous pages. The maintenance plan. When you rebuild, SQL creates a new fresh index. An index rebuild will always build a new index, even if there’s no fragmentation. Hi Team, Today when I go through some of the SQL Server performance videos, found one interesting video (Please find the link below), where he said that rebuilding indexes is a very expensive thing and it will clear the cache every time an index rebuild happens, (It means that we indirectly killing the SQL Server everything we rebuild. Rebuilding indexes only does the index itself so the column stats are stale unless they hit the "20% data change + 500 records" criteria to trigger the auto-update. REORGANIZE INDEX blocks other queries. It is compatible with all versions of SQL Server 2005 , 2008 , 2012 , 2014 and 2016. Then, choose New, Job to create a SQL agent job. Near the top of the script, around line 32, you will see a line of Transact-SQL code that looks like this: 1. The equivalent statistics update can be achieved by: UPDATE STATISTICS . 1. However, the meaning of those operations is different in the case of Columnstore. May be index was not there, may be you were just rebuilding the index. Specify the name of the maintenance plan. From SQL Server 2012 Enteprise and later there is not such restriction. For a table with an ordered clustered columnstore index, ALTER. ALTER INDEX ALL ON [table_name] REBUILD; Additionally, please note that index reorganization is an online operation and index rebuilding is an offline operation unless explicitly specified as an online. Note The commented fnMs_GenerateIndexMaintenanceScript function is a table-valued function (TVF) that can. How Fragmentation Hurts SQL Server Performance. Script to Manage SQL Server Rebuilds and Reorganize for Index Fragmentation. There are two ways of doing that: (i) by using the ‘ DBCC SHOWCONTIG ‘ command, and (ii) by using the ‘ sys. in case you aren't on SQL enterprise edition, you cannot rebuild WITH ONLINE, hence you can cause additional blocking; ad. 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. 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. ALTER INDEX ALL ON [dbo]. The import process should be reworked to bulk-load one table at a time. This index uses column-based data storage and query processing to achieve gains up to 10. Select the Update Statistics maintenance task from the list of tasks. They are also configured from SSMS. Hi, The widely used thresholds are: Reorganize if fragmentation is between 10-30%. Heaptest default values go 50 select. To create SQL database maintenance plan, launch SQL Server Management Studio > expand the database instance > Management > right-click on the maintenance plan > New Maintenance Plan. Large object data is data with the image, text, ntext, varchar (max), nvarchar (max), varbinary (max), or xml data type. In Object Explorer, connect to an instance of Database Engine. Using above query, you could also query the progress of backup,restore,dbcc command and so on. SQL Server 2012 (11. First, we will start the index reorganization in a session using the following T-SQL code. 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. dm_db_index_physical_stats DMV). When I ran the query again, this was the result: Fragmentation over 70% for 12 indexes, over 30% for 15 indexes. 3. However, sometimes you don't want this, say for read only tables or huge tables. 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. Yes it will - but only to a certain degree. · Add the startup option -T1222 to SQL. where, table_name is the name of the table to be reorganized. Optimize SQL Server non-clustered indexes and queries by considering index fields, compound indexes and SQL Server statistics. Rebuild or Reorganize SQL Index. [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. Microsoft recommends fixing index fragmentation issues by rebuilding the index. This is a powerful feature that you can use to your advantage. On the Table Designer menu, click Indexes/Keys. So it can remove some fragmentation - but only on a limited scale. All indexes will be inserted to, updated to, or deleted from for every respective DML statement. I don't remember if IDENTITY INSERT ON will help. 1 and another one for versions starting from 6. This operation checks the index, and if there is a need, it fixes the physical ordering of pages. 0 to SQL Server 2016 there is no feature to rebuild index automatically. You can read more on rebuilding indexes here . REORGANIZE. Rebuilding an index drops and re-creates the index. The index can be rebuilt using ALTER INDEX REBUILD T-SQL command. Columns with text, image, ntext, varchar (max), nvarchar (max) and varbinary (max) cannot be used in the index key columns. ALTER INDEX [myIndex] ON [dbo]. But if you need to change something about an index (that. For a dedicated SQL pool table with an ordered CCI, ALTER INDEX REBUILD will re-sort the data using tempdb. 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. 3) Reorganize indexes. Depending on the fragmentation level, you need to rebuild or reorganize the indexes. To create a new job, right click on SQL Server Agent, select New and then Job. It should be: TRUNCATE; Insert ; ALTER INDEX REBUILD; It might stil be slow, but at least you get sharp indexes. Right-click the Maintenance Plans folder and select New Maintenance Plan. - 1: The script will just output the index reorganization or rebuild commands without running them. On the Standard bar, select New Query. First of all you need to find the fragmentation percentage for the indexes in a database or table. ALTER INDEX . The index front is stable, no change. Expand Tables. Beginning with SQL Server 2016 (13. If not specified otherwise, the procedure uses the fill factor that is already set for each 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]. You will often see advice to perform a REBUILD on highly-fragmented indexes, rather than a REORGANIZE-- This is because rebuilding from scratch can be more efficient. Automatic Tuning on Azure SQL Database does not do maintenance of indexes and statistics. Expand the Indexes folder. You don’t get bonused based on the amount of free space on your drives. set @SQL = 'alter index ' + QuoteName ( @IndexName ) + ' on ' + QuoteName ( @TableName ) + ' rebuild';. USE [SQLMaestros] GO ALTER INDEX [PK__Subscrib__7DFEB63423B0DFD3] ON [hol]. In the official SQL Server documentation, Microsoft advises about the best method for removing index fragmentation in SQL Server as per below: When you have an index. Microsoft recommends Index Rebuild operation to defrag indexes if the fragmentation level of your index is greater. The more the fragmentation you need to rebuild if its less you can reorganize. . 1. To rebuild an index means to create anew one, then drop the old one. GO. This tool provides index analysis to manage index defragmentation, including rebuild and reorganize fragmented indexes . However, reorganizing can be a "more online" operation and is sometimes preferred, even for. The first item is "Reorganize data and index pages". The reason we want to load. Sorted by: 2. Depending on INSERT, UPDATE and DELETE activity against your tables, your physical data can become very fragmented. Also, some tables/indexes will hardly be fragmented. index_resumable_operations; We can see that we have paused the online. Yes, rebuilding indexes will take a toll on your transaction log file. – As well as maintenance plans, SQL Server Agent jobs are also a handy way to automate and schedule index defragmentation jobs in SQL Server. 11. The Reorganize Index task encapsulates the Transact-SQL ALTER INDEX statement. Hi Everyone, We have a weekly maintenance plan in place that fails with the following error: Executing the query "ALTER INDEX [NCI_WI_BId_PId_PMId_SId_NPB] ON [Infr. 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. 2 Answers. The index uses the main filters on the sales table from the time dimension, i. INDEX_REORGANIZE Reorganizes the index. There is all reason to only rebuild index that are fragmented, and a good maintenance. Copy. It has been my understanding that REORGANIZEing an index should not interfere with other operations (that is, it. Depending on the type of index and database engine version, a rebuild operation can be done online or offline. Instead of running rebuild index on whole database we are planning to run it against each table. Create a execute sql task and schedule it through sql agent . It is causing other queries to wait, even simple ones like: SELECT * FROM tableName WHERE indexedColumn = @value. ”. Here’s how: Download the MaintenanceSolution. In Object Explorer, connect to an instance of Database Engine. In this article. To create a new maintenance plan, right click on Maintenance Plan and select New Maintenance Plan and the following window will open. -- Compute fragmentation information for all full-text indexes on the database SELECT c.