TEST_INDX DISABLE ; alter index IX1 on DBO. REORGANIZE) more than 30% logical fragmentation, rebuild it (using DBCC DBREINDEX or ALTER INDEX. 737k 176 176 gold badges 1336 1336 silver badges 1461 1461 bronze badges. Designing efficient indexes is paramount to achieving good database and application performance. In order to complete they need a very high level of lock: a schema modification lock (SCH-M). You can optionally specify * after the table name to explicitly indicate that descendant tables are included. This job needs to be scheduled and ran on a weekly basis due to large data. Enterprise Manager gives us a nice image of the contents of the tablespace by doing the following: Click on the "Server" tab. The ways I can think around this problems are: 1) set the database to simple recovery mode while you run the reorganize, but you said that isn't acceptableExample #. SET ANSI_NULLS ON GO SET QUOTED_IDENTIFIER OFF GO /* TIPO DO OBJETO. Yes. On this MSDN Page it says if you should reorganize or rebuild based on the amount of fragmentation:. ) REORGANIZE statement. Descărcați Microsoft Edge Mai multe informații. . Also, if you have tempdb properly tuned, look into using. tables T ON I. This is inexpensive, online, and will generally keep an index defragmented enough for efficient use for quite a long time. Here are a couple of examples. DROP INDEX when you are. In previous versions of SQL Server, we might need to cancel the index maintenance operation either due to running out of time in the maintenance period, blocking issues or maybe low disk space due to the transaction log filling up. Expand the Indexes folder. The default is ON. . Parallel index execution and the MAXDOP index option apply to the. VeryImportantTable REBUILD; GO The second method is to reorganize indexes. Reorganize is. Example: 3. Rebuild if > 30%. I used the sp_who2 procedure to see which queries were waiting, and which other query they were blocked by. It. ALTER INDEX All ON tableName REORGANIZE;ALTER INDEX PK_MyFragmentedIndex ON dbo. ALTER INDEX CCI_fact_Sale_CCI_ORDERED ON Fact. What happens when you try to rebuild an index, a Sch-M lock is requested on the object that you're trying to rebuild. gif」の説明 図「alter_index_partitioning. Compressed rowgroups - Rowgroups are using columnstore compression. ". 2: Syntax: ALTER INDEX ALL ON table_name REBUILD: Syntax: ALTER INDEX ALL ON table_name REORGANIZE: 3: Index should be rebuild when index fragmentation is great than 30% Index should be reorganized when index fragmentation is between 10% to. This increases the value in avg_space_used_in_percent. Recreate all indexes of the specified table. Sorted by: 1. Otherwise you're holding an exclusive lock on the table/partition before you start the reorganize. Run this command: 1. There is all reason to only rebuild index that are fragmented, and a good maintenance. You don’t need to run both against the same index. 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. ;WITH cte AS ( SELECT object_id, index_id, partition_number, rows, ROW_NUMBER () OVER (PARTITION BY object_id, index_id, partition_number. ALTER INDEX REBUILD will create a new index, and then drop the old one. The MSDN ALTER INDEX page says "An index cannot be reorganized when ALLOW_PAGE_LOCKS is set to OFF. ALTER INDEX All ON tableName REORGANIZE; Rebuild or Reorganize SQL Index. indexes system view, filtering the object_id column on the OBJECT_ID('dim. The effect delivered is that REORGANIZE "conditions" a whole lot of indexes in such a fashion as to perpetuate page splits, which is both logical and physical (page density) fragmentation at its. Preuzimanje pregledača Microsoft Edge Više. After a couple of months, we started seeing an occasional blocking of jobs in the morning. Rebuild INDEX sort in tempdb. gif」の説明. Installed SQL Server 2017 and set up all of the nodes and the AGs. x) and later versions. Basically, an index rebuild copies the index to another place. 2 Answers. What you might want to do, if you still insist on defragmenting your indexes, is to do ALTER INDEX REORGANIZE instead. 277 4 4 silver badges 12 12 bronze badges. To learn more about index rebuild and reorganize operations, review this tip. They work differently toward the same end. The syntax for rebuilding indexes is very simple, we just add the "WITH ONLINE=ON" clause to the ALTER INDEX command. From Reorganize and Rebuild Indexes. When we cancel the index rebuild, we need. However, the REBUILD still needs to take a lock for a moment to swap the old index for the new index. This statement essentially merges all the fragments into a single larger. First, make sure you're checking index fragmentation and only rebuilding indexes that actually need it. As the max possible rows in a row. Because there are so many of them running at a time (each in a different database), and they are going parallel (which ties up even more workers), everything piles up. However, I would recommend researching scripts others have written that are well tested and used by. 그러므로 파일. From the documentation: “When a clustered index is dropped OFFLINE, only the upper levels of clustered indexes are removed; therefore, the operation is quite fast. Depending on the type of index and the Database Engine version, a rebuild operation can be done offline or online. indexoptimize" within my script that iteratates through the for me relevant tables, job seems to be. I want to reorganize or rebuild indexes. I am using the following to rebuild the index. Please help me. For example, if a given index is used mainly for scan. New ALTER INDEX UPDATE BLOCK REFERENCES syntax fixes the invalid physical guesses without reconstructing. BOL: " Reorganize and Rebuild Indexes This topic describes how to reorganize or rebuild a fragmented index in SQL Server 2012 by using SQL Server Management Studio or Transact-SQL. A more intelligent way is to check fragmentation first then rebuild or reorganise. Expand the Indexes folder. Faceți upgrade la Microsoft Edge pentru a profita de cele mai noi funcții, actualizări de securitate și asistență tehnică. If a nonclustered index is being rebuilt, a shared lock is held on the table in question during the operation. GO. Make sure the DB recovery mode is SIMPLE. Particularly if you are in full recovery. UPDATE STATISTICS [dbo]. Solution. When you create or rebuild an index, by setting the SORT_IN_TEMPDB option to ON you can direct the SQL Server Database Engine to use tempdb to store the intermediate sort results that are used to build the index. ドメイン索引を変更する場合は、索引の索引タイプに対してexecute. Right-click on the fragmented index and select Rebuild or Reorganize option in the context menu (depending on the desired action): Click the OK button and wait for the process to complete. TEST REORGANIZE WITH (COMPRESS_ALL_ROW_GROUPS = ON) Now we have to good columnstore segment again. I suspect the reorganize is compacting the index after the rebuild and thus moving quite a bit of data around. Select the "RECLAIM_TS" tablespace by clicking the radio button. And again, the table undergoing index maintenance and the table in the. However, ALTER TABLE ignores DATA. It is documented that you can rebuild the index ONLINE for those indexes which has LOB columns as the index key. and even. The following example associates the DocumentPropertyList property list with the full-text index on the Production. onemorecoke. When you don't explicitly name the constraint / index, a name is auto-generated. You don’t. If we then try to reorganize this index. ¿ Rebuild indexes online. For more information on ordered clustered columnstore indexes, see Performance tuning with ordered clustered columnstore index. Sorted by: 2. Partitions can be rebuilt individually. Lorsque vous exécutez ALTER INDEX REORGANIZE, avec ou sans LOB_COMPACTION, la valeur de degré maximal de parallélisme correspond à une opération de thread unique. Data pump (expdp, impdp) – Offline method to transfer data and reorganize tables. Index Rebuild operation first drops and then recreates the index. resource_subtype, CASE WHEN resource_type =. -- Create a database CREATE DATABASE [ columnstore ]; GO -- Create a rowstore staging table CREATE TABLE [ staging ] ( AccountKey int NOT. Reorganize indexes in a table using Transact-SQL. -Search all indexes of a table that have 5% or more of fragmentation and page_count >= 1000. The new name for the index. When you rebuild, SQL creates a new fresh index. Dedicated SQL pool offers several indexing options including clustered columnstore indexes, clustered indexes and nonclustered indexes, and a non-index option also known as heap. Using the REBUILD or REORGANIZE options of the ALTER FULLTEXT CATALOG statement. When investigating we found that the index reorganise for the clustered index of FooDetail takes between 90 minutes and 120 minutes. dm_db_index_physical_stats. So let's say AdventureWorks2014 was 1GB and it's using 100MB space. Yes it looks like some smaller tables but. Microsoft recommends Index Rebuild operation to defrag indexes if the fragmentation level of your index is greater. July 7, 2010 at 7:39 pm #1189953 . Restrictions: 1) You cannot rebuild an index on a temporary table. 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. 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. Ticket'). Or exclude the ALTER operation using WHERE clause ( [allow_page_locks] = 0) on these indexed tables. 4) The final step is to reload the data back. Reorganize Doesn`t Create A New Index It is again a short demo which shows that Reorganize doesn`t create a new Index, In this demo we will reorganize the index and we will check does the Index ObjectID and PageIDs changed in comparewith the last demo. In short, the new Merge functionality in INDEX REORGANIZE simplifies Columnstore index maintenance significantly and other DMV’s add visibility into the internals of columnar indexes. ALTER INDEX [myIndex] ON [dbo]. RedDk 31-Aug-13 15:32pm. There are several other supportability improvements on the Columnstore front. (I sometimes find that people are doing both against every index in a maintenance plan. Executing the query "ALTER INDEX [IX_AttributeInternal_Name] ON [dbo]. Rebuilding indexes online does not affect to table base. Improve this answer. Users(DisplayName) WITH (ONLINE = ON, RESUMABLE = ON, MAX_DURATION = 1); Those parameters mean: ONLINE = ON means you’ve got the money for Enterprise Edition. Recall the paper example from above: a rebuild would be like reprinting the document in the correct order and trashing the old ones. set @SQL = 'alter index ' + QuoteName ( @IndexName ) + ' on ' + QuoteName ( @TableName ) + ' rebuild';. • DROP INDEX only when the user drops a non-clustered index. 1. ), which reorganizes all the indexes on the. You need to assemble the SQL prior to calling SP_ExecuteSQL, i. " I'm modifying our index reorg/rebuild process to be sensitive to indexes that have ALLOW_PAGE_LOCKS turned OFF. [<table_name>] REORGANIZE How to Reorganize and Rebuild Indexes using SSMS. If ONLY is not specified, the table and all of its descendant tables (if any) are updated. 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 tuple mover has done its job and all row groups are in the compressed state. Click OK. To reorganize an index, the following command can be used: ALTER INDEX IX_Employees ON Employees REORGANIZE; To change the fill factor of an index, the following command can be used: ALTER INDEX IX_Employees ON Employees. or to reorganize use: ALTER INDEX __NAME_OF_INDEX__ ON __NAME_OF_TABLE__. This example demonstrates how the ALTER INDEX REORGANIZE command works. Syntax ALTER INDEX index_name ON table_name. Alter Index in PostgreSQL 9. Expand the table on which you want to reorganize an index. 1. This query creates the necessary ALTER INDEX statements to correct the. (and even with the Enterprise Edition, is blocking when rebuilding clustered indexes) If the above is all correct, the question is: During an ALTER INDEX. This means long-term blocking table locks are not held and queries or updates to the underlying table can continue during the ALTER INDEX REORGANIZE transaction. . Connect to Database engine with your credentials. August 1, 2013 at 3:52 pm. DBREINDEX = REBUILD option "Rebuilding Indexes" +in this link. Index Rebuild vs Index Reorganize. Assume the following conditions are true before creating the clustered index: The existing table (heap) contains 1 million rows. Disabling an index prevents user access to the index, and for clustered indexes, to the underlying table data. ALTER INDEX (Transact-SQL)ALTER INDEX IX_Orders_OrderID ON Orders REBUILD; Reorganize Index: Reorganizing an index only reorganizes the physical order of the index pages to reduce fragmentation and improve performance but does not completely rebuild the index. To re-sort data, use ALTER INDEX REBUILD. you are reading your query result incorrect. By doing the index with ONLINE=ON, you should be able to minimize blocking. More specifically deletes are reflected in the deleted bitmap, which the engine joins with the data and returns the rows visible to your transaction. To work around this limitation perform an ALTER INDEX REBUILD instead of ALTER INDEX REORGANIZE or increase the file growth limit of any files that are full. ALTER INDEX ALL ON Adventureworks. 13. When I run a maintenance plan to reorganize and rebuild tables indexes, it fails. Sometimes I noticed that my database experiences high locking and. Note In SQL Server 2012 (11. The DBCC REINDEX command was deprecated in a previous version so it is not as robust as the new ALTER INDEX command is today. however, if we disable the index , rebuild with compression and then rebuild again: alter index IX1 on DBO. This will rebuild/reorganize indexes based on configurable thresholds and options. WITH (ONLINE = ON) Drop the existing columnstore index and run the query again. REORGANIZE is your option. Catatan Di SQL Server 2012 (11. One of the major reasons I wrote DBCC INDEXDEFRAG for SQL Server 2000 was as an online alternative to DBCC DBREINDEX. Below are steps : 1) Provision an Automation Account if you don’t have any, by going to and select New > Management > Automation Account. If the clustered index is being rebuilt, an exclusive table lock is held. INDEX. alter index ALL on dbo. It is compatible with all versions of SQL Server 2005 , 2008 , 2012 , 2014 and 2016. If you have any question, please feel free to let me know. Reorganizing an index uses minimal system resources. Our Production instance is running SQL Server 2014. It preserves the index and constraint definitions. Note: You can select “Reorganize All” to reorganize all the indexes in the table. The reorganization process is blocked when the process tries to move rows to the full file. “Also, ALTER INDEX REORGANIZE will compact an index by trying to fill pages to the FILLFACTOR that was last specified. [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. ALTER INDEX [ix_EvtRowChksum] ON [WinPerfDataSQL]. Reparaciones rebuild sql; sql-server; Share. index_id > 0 -- Indexes. x) implemented major performance improvements for these index operations. For a table with an ordered clustered columnstore index, ALTER INDEX REORGANIZE does not re-sort the data. . 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 MSDN ALTER INDEX page says "An index cannot be reorganized when ALLOW_PAGE_LOCKS is set to OFF. alter index reorganize 문을 사용하면 작업에서 파일 그룹 내의 다른 파일이 아닌 동일한 파일에만 임시 작업 페이지를 할당할 수 있으므로 인덱스가 포함된 데이터 파일에 사용 가능한 공간이 있어야 합니다. • DROP INDEX when the user drops a clustered index with offline setting without specifying a MOVE TO clause and there are no non-clustered indexes in the file. ALTER INDEX All ON tableName REBUILD; This drops the index and recreates it, removing fragementation, reclaims disk space and reorders index pages. The index uses no dictionary: primary_dictionary_id and secondary_dictionary_id are -1 for all segments. 此示例将在所有分区上运行 REORGANIZE。 ALTER INDEX cci_FactInternetSales2 ON FactInternetSales2 REORGANIZE; 此示例将在特定分区上运行 REORGANIZE。-- REORGANIZE a specific partition ALTER INDEX cci_FactInternetSales2 ON FactInternetSales2 REORGANIZE PARTITION = 0; C. Tip For general guidance regarding index fragmentation, when fragmentation is between 5% and 30%, reorganize the index. Rebuilding or reorganizing small indexes (which has 128 or less extents) often does not reduce fragmentation. Not specifying ONLINE option runs the script with the default value OFF. Starting with SQL Server 2016 (13. Copy and paste the following example into the query window and select Execute. Scale back down once the index rebuild is complete. In the Index Properties dialog box, make the desired changes. It. Tablename rebuild with (online=on). For example, consider There are 2 tablesONLINE options in Azure SQL DB, SQL Server 2008+. 1) Disable all NC indexes. #1637994. SQL: Procedure for rebuild and reorganize indexes like Microsoft says. First off: ‘Reorganize’ and ‘Rebuild’ are two different operations that each reduce fragmentation in an index. Reorganizing also compacts the index pages. Causes of poor columnstore index quality Enable Row Level and Page Level Locks. This form of REINDEX cannot be executed inside a transaction block. This tip will explore two features to speed up SQL Server index and statistics maintenance. So in order to fix my issue I went ahead and rebuild my index which fixed the issue. One can also. Perform ALTER INDEX ALL . Applies to: SQL Server Azure SQL Database Azure SQL Managed Instance. So you should explicitly set a deadlock priority, and perhaps a retry loop, to enforce the behavior and document it. SELECT 'ALTER INDEX ' + I. A modification query runs before the. Click OK. ALTER INDEX. Just for extra noise, Azure Backup is taking. too slow alter index reorganize/rebuild (with online) I have 2 similar SQL Server installations on 2 similar GCP projects. Expand the database table on which you want to rebuild the index online. Session 61: executing a select on the rebuilt table SELECT TOP 1 * FROM ExecQueryWaitStats. Team, My Rebuild,Reorganize index job has been failing because of the following error,it is scheduled to be executed in only one db and the db is in simple mode. However, ALTER TABLE ignores DATA. x) and SQL Server 2014 (12. ALTER INDEX. Master merging a large amount of data can create a long running transaction, delaying truncation of the transaction log during checkpoint. I know the sql to perform this action on all indexes in a table is. Oracle Databaseのインデックスの再作成・変更SQL「alter index」とそのポイントを紹介します。 「alter index」は各種メディアやブログで紹介されており、指定できるパラメータも多くあります。 この記事では初心者向けにインデックスを再作成・変更する時の重要なポイントも合わせて紹介します。 In earlier versions of Microsoft SQL Server it could cause system slowdown to reorganize or rebuild a large index. And if it is a clustered index, the entire table is copied. TEST REORGANIZE WITH (COMPRESS_ALL_ROW_GROUPS = ON) With very large indexes, rebuilds take longer, generate more log, impact performance more while they’re running. I have tried almost. You can also change this threshold via parameters. Starting with SQL Server 2016 (13. It rebuilds a spatial index or a specified partition of a partitioned index. Expand the table on which you want to reorganize an index. Use this command to disable the background task: DBCC TRACEON ( 634 , -1 ). An index reorganize holds an intent-exclusive table lock throughout the operation, which will only block shared, exclusive, and schema-modification table locks. [Product] SET ( ALLOW_PAGE_LOCKS = ON ) ALTER. Create a maintenance plan. On this MSDN Page it says if you should reorganize or rebuild based on the amount of fragmentation: 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. Since ONLINE rebuild is not an oprion for you (Enterprise only and you are on Standard), ALTER INDEX. Right-click the index you want to reorganize and select Rebuild. First off: ‘Reorganize’ and ‘Rebuild’ are two different operations that each reduce fragmentation in an index. REORGANIZE also optimizes internal index and catalog structures. In PostgreSQL, ALTER INDEX command changes the definition of an existing index. REBUILD will not just rebuild index, but also force update of corresponding statistics. Right-click on the index and select Rebuild. To re-sort data, use ALTER INDEX REBUILD. In this article. Oracle maintains the validity of the indexes by rebuilding their leaf and (sometimes. I have a MSSQL clustered index, which I want to rebuild, since I dropped some columns and I want to free space. x), use ALTER INDEX. x), REORGANIZE solo se usa para comprimir los grupos de filas CLOSED en el almacén. This can be mitigated by regular maintenance of the columnstore index with ALTER INDEX REORGANIZE. PARTITION Only rebuild/reorganize one partition of the index. In SQL Server 2017, first, create the index without the online option. ALTER INDEX [XPKItem] ON [dbo]. If you want to use MAXDOP for few indexes, it is possible to use them with the ALTER INDEX command. allocation_units. This could be further tweaked to handle only indexes that need maintenance based on fragmentation levels as well as then doing either an index reorg or an index rebuild. table_options signifies table options of the kind that can be used in the CREATE TABLE statement, such as ENGINE, AUTO_INCREMENT, AVG_ROW_LENGTH, MAX_ROWS, ROW_FORMAT, or TABLESPACE. This caused the system to reorganize or rebuild some indexes even when the indexes weren't much fragmented, which was wasteful. ALTER INDEX PK_MyFragmentedIndex ON dbo. avg_fragmentation_in_percent >5% and <=30% do Reorganize index >30% do Rebuild index you can get fragmetation % from sys. table_options signifies table options of the kind that can be used in the CREATE TABLE statement, such as ENGINE, AUTO_INCREMENT, AVG_ROW_LENGTH, MAX_ROWS, ROW_FORMAT, or TABLESPACE. You could also refer another query which may be helpful to you. "cannot be reorganized because page level locking is disabled" means (in sys. Instead, an index rebuild must be performed. ALTER INDEX . ALTER INDEX ON REORGANIZE . 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、. After that I ended. 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): ALTER INDEX ALL ON mySchema. 図「key_compression. RESUMABLE = ON means you can pause the index. Then try copying the data into a completely new table. I suspect the reorganize is compacting the index after the rebuild and thus moving quite a bit of data around. Microsoft describes in the link below how you can check the fragmentation of indices on tables in MSSQL and then how you can re-organize (re-build) the indices to reduce the fragmentation percentage:Rebuild is an ALTER command so even if the job is running the step is trying to execute the plan which has that command in the logic and failing. LOB_COMPACTION Compacting large object (LOB) data can reduce the disk space used. In previous versions of SQL Server, we might need to cancel the index maintenance operation either due to running out of time in the maintenance period, blocking issues or maybe low disk space due to the transaction log filling up. This is a simple problem to solve. Compaction is based on the existing fill. Your new index will have the size non less than the size of disabled index. For all of the column statistics on a partitioned table with a clustered columnstore index, you can just do a one-time conversion by doing something like: SQL. avg_fragmentation_in_percent : Number of out of order pages in the index - Lower value is better 2. 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、上記の. ALTER. It reorgs indexes when fragmentation is below 30% else it rebuild the index. ALTER INDEX CCI_TEST on DBO. ALTER INDEX. With the following command: ALTER INDEX [PK_FooDetail] ON [DbName]. Select Options under Select a page. REBUILD WITH (FILLFACTOR = 90); ALTER INDEX AK_SalesOrderHeader_SalesOrderNumber ON Sales. WITH FULLSCAN. 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. Statistics on indexes automatically get updated. PARTITION Only rebuild/reorganize one partition of the index. 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。. To reduce the number of fragments, reorganize the full-text catalog by using the REORGANIZE option of the ALTER FULLTEXT CATALOGTransact-SQL statement. If you’re using high availability features like Availability Groups or database mirroring that stream the log between replicas, generating a lot of log data very quickly can create problems. ]index optionsOptions: The options used with this command can be any combination of the. To reduce the number of fragments, reorganize the full-text catalog by using the REORGANIZE option of the ALTER FULLTEXT CATALOGTransact-SQL statement. An ‘ALTER INDEX REBUILD’ statement was executed on object ‘dbo. “Reorganize” index option. REBUILD. upvoted 1 times Matt2000 3 months ago I agree. Unlike DBCC INDEXDEFRAG, or ALTER INDEX with the REORGANIZE option, DBCC DBREINDEX is an offline operation. You can optionally specify * after the table name to explicitly indicate that descendant tables are included. Recreate the specified index. If the SQL Server crashes and if all the differential backups are bad, when is the latest point in time. ALTER INDEX [NameOfTheIndex] ON [SchemaName]. Right-click the index you want to reorganize and select Reorganize. 1,253 1 1 gold. This functionality benefits from the newly defined Low-Priority queue that contains the processes with priorities. Poorly designed indexes and a lack of indexes are primary sources of database application bottlenecks. REORGANIZE index. The equivalent statistics update can be achieved by: UPDATE STATISTICS . Also, since this is a non-clustered index, you could drop and then create the index. The problem I’ve been seeing is people rebuilding indexes and then updating statistics. a) if possible. The following example associates the DocumentPropertyList property list with the full-text index on the Production. Index rebuilds are only mostly online. There was formerly an ALTER INDEX OWNER variant, but this is now ignored (with a warning). Ovaj pregledač više nije podržan. [FooDetail] REORGANIZE WITH (LOB_COMPACTION = ON). Expand the Indexes folder. ALTER INDEX All ON tableName REBUILD; This drops the index and recreates it, removing fragementation, reclaims disk space and reorders index pages. SQL Server ALTER INDEX Syntax. The first and most popular method is to rebuild indexes.